Full Name:
Diaa A. Mohamed Khalil
Academic Rank:
Professor
ASU Email:
diaa_khalil@eng.asu.edu.eg
Departmment:
Electronics and Electrical Communications Engineering
Graduation Year:
1984

Diaa Khalil obtained his PhD from INPG France in 1993. He is Professor in the Faculty of Eng., Ain Shams University since 2004, and currently the head of the ECE department. He was the head of the Optical MEMS group in MEMSCAP from 2000 to 2004 and the founder of the RET group in Mentor Graphics Egypt from 2004-2007. Since 2007 he is the CTO of the MEMS division at Si-ware Systems leading a group developing an innovative optical MEMS spectrometer, a product that gained the Prism award in the Photonics west conference 2014 in SF USA. Prof. Diaa Khalil is a member in the SPIE, and a senior member in the OSA and IEEE photonic society. He is a holder of Egyptian state prize in engineering sciences in 1998. He is currently head of commission D in the National Radio Science Committee, NRSC, in the Academy of Scientific Research and Technology ASRT in Egypt. He is inventor of about 15 patents and author and co-author of more than 200 scientific publications in international journals and conferences.


Degrees:
1993 Ph. D. from INPG (Institue National Polytechnique de Grenoble) France, in Integrated Optics, with a grade "Très honorable avec les félicitations des jurys"
1989 D.E.A. (Diplôme d’études approfondis) from INPG, France, in: Optics, Optoelectronics and Microwaves.
1988 M.Sc. of Electrical Engineering from ASU, Cairo-Egypt, Department of Electronics and Comm.
1984 B.Sc. of Electrical Engineering from ASU, Cairo-Egypt, Department of Electronics and Comm. with grade Distinction with honor degree (96.42%), class order: the first out of 99 students, B.Sc.

Awards:
- Egyptian state incentive prize in the engineering sciences in 1998.
- Prism award for best optical component products in the Photonics West 2014 conference.
- Young Scientist award in the URSI conference, Lille France 1996.
- Egyptian award of excellence from 1979 to 1984 in the Faculty of Eng./ASU.
- Selected as a senior member in IEEE-LEOS society in 2006.
- Selected as Optical Society of America OSA senior member in 2011.
- Holder of the SPIE educational grant in 2007.
- Selected as one of the pioneers in the field of engineering by the Marquise Who's Who in Science and Engineering, in its 10th Anniversary Edition in 2007.
- Nominated by Ain Shams University for the Egyptian state prize of Excellence in advanced Technological science for 2008.

Books:
Chapters in Books
1- Ayman Y. Hamouda and Diaa Khalil, “Three-dimensional Integrated Optics: MMI couplers for multilevel PHASAR”, in “Frontiers in Planar Lightwave Circuit Technology: Design, Simulation, and Fabrication”, NATO Science Series II: Mathematics, Physics and Chemistry Vol. 216, S. Jans et al Eds. 2006 Springer.
2- Yasser Sabry, Diaa Khalil, and Tarik Bourouina, “Optical MEMS Interferometers”, in, “Interferometers: fundamentals, methods, and applications”, Ed., Kystal Harmon, Series: Physics research and technology, Nova Science publisher Inc., New York, 2015.

Published Research:
1- Alaa Elhady, Yasser M. Sabry, and Diaa Khalil, "Optical characterization of high speed microscanners based on static slit profiling method", Optics and Lasers in Engineering, Volume 88, Pages 129-138, January 2017.
2- Kamal Khalil, Yasser Sabry, Khaled Hassan, Ahmed Shebl, Mostafa Soliman, Yomna Eltagoury, and Diaa Khalil, “In-line optical MEMS phase modulator and application in ring laser frequency modulation”, IEEE, Journal of Quantum Electronics, Vol. 52, No. 8, August 2016.
3- Salwa El-Sabban, and Diaa Khalil, “A Compact Si Photonic MMI Based Optical Circuit for Mode Division Multiplexing Applications", Journal of Optical Engineering, Vol.55, No. 7, July 2016.
4- Tarek A. Al-Saeed and Diaa Khalil, “Fourier transform spectrometer based on Fabry-Perot interferometer”, OSA Applied Optics, Vol. 55, No. 20, pp 5322-5331, July 2016.
5- Mazen Erfan, Yasser M. Sabry, Mohammad Sakr, Bassem Mortada, Mostafa Medhat and Diaa Khalil, “On-Chip Micro-Electro-Mechanical System Fourier Transform Infrared (MEMS FT-IR) Spectrometer-Based Gas Sensing”, OSA Journal of Appl. Spectroscopy, Vol. 70, Issue 5, pp. 897-904, May 2016.
6- Bassem Mortada, Mazen Erfan, Mostafa Medhat, Yasser M. Sabry, Bassam Saadany and Diaa Khalil, “Wideband Optical MEMS Interferometer Enabled by Multi-Mode Interference Waveguides”, IEEE – OSA, J. Lightwave Technol. Vol. 34, Issue 9, pp. 2145-2151,May 1, 2016.
7- Alaa Elhady, Mohamed AE Mahmoud, and Diaa Khalil, “In-plane monolithic microscanner with two synchronized, self-aligned flat mirrors and compliant springs”, Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 15, No.1, Jan.-March 2016.
8- Salwa El-Sabban, Amr Wageeh, and Diaa Khalil, “Box-like filter response using multimode single ring micro-resonators”, OSA Journal of Applied Optics, Vol.55, pp. 408-414 Jan. 2016.
9- Yasser M Sabry, Yomna M Eltagoury, Ahmed Shebl, Mostafa Soliman, Mohamed Sadek, and Diaa Khalil, “In-plane deeply-etched optical MEMS notch filter with high-speed tunability”, Journal of optics, IOP Publishing, Vol. 17, No.12, 125703, Dec. 2015.
10- Tarek A. Al-Saeed, Mohamed Y. Shalaby, and Diaa A. Khalil, “Study of dual-source Fourier-domain optical coherence tomography”, Optical Engineering Vol. 54, No., 10, 104112, October 2015.
11- Noha Gaber ; Yuto Takemura ; Frédéric Marty ; Diaa Khalil ; Dan Angelescu ; Elodie Richalot ; Tarik Bourouina “Volume refractometry of liquids using stable optofluidic Fabry–Pérot resonator with curved surfaces”, J. Micro/Nanolith. MEMS MOEMS. JM3, Vol. 14(4), 045501, Oct 28, 2015.
12- Marwa Ragheb, Hatem Elrefaei, Diaa Khalil, and Omar A. Omar, “Design of an InGaAsP/InP compact integrated optical depolarizer”, OSA Appl. Opt. 54(30), 9017-9024, 2015.
13- Ismail Nassar and Diaa Khalil, "Diffraction grating polarization beam splitter using nano optical slits”, Optical and Quantum Electronics, Springer, First online: 25 August 2015.
14- Haitham Omran, and Diaa Khalil. "Accessing Rapidly Scanning Swept Laser Source Instantaneous Spectral width using Multimode Rate Equation Model." IEEE Journal of Selected Topics in Quantum Electronics, Volume 21, NO. 6, November/December 2015.
15- Yasser M. Sabry, Diaa Khalil, Bassam Saadany, and Tarik Bourouina, “Curved Silicon Micromirror for Linear Displacement-to-Angle Conversion with Uniform Spot Size”, IEEE Journal of Selected Topics in Quantum Electronics, VOL. 21, NO. 4, July/August 2015.
16- Haitham Omran, Yasser M. Sabry, Mohamed Sadek, Khaled Hassan, and Diaa Khalil, “Wideband Subwavelength Deeply Etched Multilayer Silicon Mirrors for Tunable Optical Filters and SS-OCT Applications“, IEEE Journal of Selected Topics in Quantum Electronics, VOL. 21, NO. 4, July/August 2015.
17- Salwa El-Sabban, and Diaa Khalil, “Multimode waveguide spot size width converter for silicon photonics applications”, Journal of Optical Engineering, Vol. 54, No. 3, 037103 March 2015.
18- Yasser M. Sabry, Diaa Khalil and Tarik Bourouina, “Monolithic silicon-micromachined free-space optical interferometers onchip”, Laser Photonics Rev., Vol. 9 Issue 1, 1–24, January 2015.
19- Alaa Elhady, Diaa Khalil, and M. A. E. Mahmoud “Design optimization of linearly DC controlled staggered vertical comb drive actuators”, Journal of Microsystem Technologies, Springer Berlin Heidelberg, Vol. 21, Issue 1, pp 85-90, January 2015.
20- Tarek Al-Saeed, Mohamed Shalaby, and Diaa Khalil,” Dispersion Compensation in Fourier Domain Optical Coherence Tomography”, Applied Optics, Vol. 53, Issue 29, pp.6643-6653, October 2014.
21- Noha H. Anous and Diaa A. Khalil, "Performance evaluation of a metal–insulator–metal surface plasmon resonance optical gas sensor under the effect of Gaussian beams”, Journal of Applied Optics, Vol. 53, No. 11, pp. 2515-2522, 10 April 2014.
22- Amr Wageeh, Salwa El-Sabban, and Diaa Khalil, “Resonance wavelength of integrated optical ring resonator with small radius of curvature”, IEEE Photonic Technology Letters PTL 26, issue 7, pp. 641-644, April 2014.
23- Yasser M. Sabry, Diaa Khalil, Bassam Saadany, and Tarik Bourouina, “Multi-step etching of three-dimensional sub-millimeter curved silicon microstructures with in-plane principal axis”, Journal of Microelectronic Engineering, Elsevier, Vol. 114, pp. 78-84, Feb. 2014.
24- Haitham Omran, Yasser Sabry, Mohamed Sadek, Khaled Hasan, Mohamed Shalaby, and Diaa Khalil, “Deeply-Etched Optical MEMS Tunable Filter for Swept Laser Source Applications”, IEEE Photonic Technology Letters PTL, Vol. 26, No.1, pp37-39, January 1, 2014.
25- Y. M. Sabry, D Khalil, B Saadany, T Bourouina, “In-plane external fiber Fabry–Perot cavity comprising silicon micromachined concave mirror”, Journal of Micro/Nanolithography, MEMS, and MOEMS, JMMM, Vol. 13, No.1, Dec. 16, 2013.
26- Y. M. Sabry, B. Saadany, D. Khalil, and T. Bourouina, “Silicon micromirrors with three-dimensional curvature enabling lens-less efficient coupling of free-space light”, Light: Science & Applications, Nature Publishing Group, Vol. 2, e94, 2013.
27- Yasser M. Sabry, Diaa Khalil, Bassam Saadany, and Tarik Bourouina, “Integrated wide-angle scanner based on translating a curved mirror of acylindrical shape”, OPTICS EXPRESS Vol. 21, No. 12, pp. 13906-13916, 17 June 2013.
28- Mohamed Mahmoud, Mohamed Shalaby, and Diaa Khalil, “Propagation of Bessel beams generated using finite width Durnin ring”, Applied Optics, Vol. 52 Issue 2, pp.256-263, Jan. 2013.
29- Tarek A. Al-Saeed and Diaa Khalil, “Signal to Noise Ratio Calculation in moving-optical-wedge Spectrometer”, Journal of Applied Optics, Vol. 51, Iss. 30, pp. 7206–7213, October 2012.
30- Ismail Nassar, Alaa Hassan, Diaa Khalil and Omar A Omar, "Applying a modal technique on a planar lens based on nanoscale slit arrays", Optical and Quantum Electronics, Springer, Vol. 44, No. 14 pp. 623-633, November 2012.
31- Yasser Sabry, Mostafa Medhat, Bassam Saadany, Tarik Bourouina, and Diaa Khalil “On the Parameter Extraction of MEMS Comb-Drive Near-Resonance Equivalent Circuit: A Physically-Based Technique for a Unique Solution”, Journal of Micro/Nanolithography, MEMS, and MOEMS, Volume 11, Issue 2 April 2012.
32- Ismail Nassar, Alaa Hassan, Diaa Khalil and Omar A Omar, “Modeling of sub-wavelength problems using modal techniques", Journal of Optical Engineering, Vol. 51, March 2012.
33- Haitham Omran, Mostafa Medhat, Bassem Mortada, Bassam Saadany, and Diaa Khalil, “Fully integrated Mach-Zhender MEMS interferometer with two complementary outputs”, IEEE Journal of Quantum Electronics, Vo. 48, No. 2, pp. 244-251, Feb., 2012.
34- Tarek A. Al-Saeed and Diaa Khalil, “Spot size effects in miniaturized moving-optical-wedge interferometer”, Journal of Applied Optics, Vol. 50, No. 17, pp.2671-2678, 10 June 2011.
35- Tamer Tawfik Elazhary, Ahmed Hisham Morshed, and Diaa Khalil, "Modeling the field diffracted from photo mask at oblique incidence," Journal of Appl. Opt. 49, pp 4207-4216, 1 August 2010.
36- Tarek A. Al-Saeed and Diaa Khalil, “Diffraction Effects in Optical MEMS Michelson Interferometer”, Journal of Applied Optics, Vol. 49 Issue 20, pp.3960-3966, July 2010.
37- Maurine Malak, Ahmed H Morshed, Khaled Hassan, Tarik Bourouina, Hanan Anis, and Diaa Khalil, “Design of CWDM multiplexers based on series coupled ring resonators: analysis, potential and prospects on MEMS fabrication technologies”, Journal of Microsystem Technologies, Volume 16 Issue 7, pp 1139-1156, July 2010.
38- Mohamed A. Abdelalim, Yury Logvin, Diaa A. Khalil, and Hanan Anis, "Steady and oscillating multiple dissipative solitons in normal-dispersion mode-locked Yb-doped fiber laser," Opt. Express 17, No.15, pp. 13128-13139, 2009.
39- Tarek A. Al-Saeed and Diaa Khalil, “Dispersion compensation in moving optical wedge Fourier Transform spectrometer”, Journal of Applied Optics, Vol. 48, No. 20, pp.3979-3987, 10 July 2009.
40- Mohamed Abou Seif, Yury Logvin, Diaa Khalil, and Hanan Anis, “Properties and stability limits of an optimized mode-locked Yb-doped femtosecond fiber laser”, Optics Express Vol. 17, No. 4, pp 2264-2279, 16 February 2009.
41- H. E. Kotb, A. M. E. Safwat, H. Boghdady and Diaa Khalil, “RF Optoelectronic Oscillator using a Directly Modulated Semiconductor Laser and a Fiber Optical Ring Filter”, Microwave and Optical Technology Letters, Vol. 51, No. 2, pp. 470-475, February 2009.
42- Mohamed A Swillam, Diaa Khalil, and A. H. Morshed, “Effect of the fabrication and design parameters on the performance of MMI devices made by ion exchange: A detailed study”, Journal of Optics A, Pure and Applied Optics V. 10 No 12, December 2008.
43- Muhammad Othman, Khaled Hassan, and Diaa Khalil, “A Novel "Straight" MMI PHASAR Using Periodic Segmented Waveguide Phased Array”, Journal of Applied Optics, Vol. 47 Issue 31, pp.5916-5923, November 2008.
44- Khaled Hassan, Diaa Khalil, Maurine Malak, and Hanan Anis, “Design of an Arrayed Waveguide Grating optical demultiplexer for CWDM applications”, Journal of optics A, Pure and Applied Optics V. 10 No 7, July 2008.
45- Michael Monir, Hatem El-Refaei, Diaa Khalil, and Omar A. Omar "Comparison of the NM-lines Technique to the Inverse Technique in refractive index profile reconstruction”, Journal of Optical Engineering, Vol. 46, 094601, September 2007.
46- Marwa M. Ragheb, Hatem H. El-Refaei, Diaa Khalil, and Omar A. Omar, "Design of Compact Integrated InGaAsP/ InP Polarization controller over the C-band”, IEEE/OSA_JLT Vol. 25, No. 9, pp. 2531-2538, September, 2007.
47- George Isaac and Diaa Khalil, “A Semi-analytical Technique for Leaky Modes Loss Calculation in
Hollow Dielectric Waveguides with Arbitrary Cross Sections”, IEEE/OSA _JLT, pp. 2337-2344, Vol. 25, No. 9, September 2007.
48- I.M. Nassar, H. El-Refaei, D. Khalil, and O. A. Omar, “The Design and Optimization of an Ion-Exchanged Polarization Converter using a Genetic Algorithm”, IEEE Photonics Technology Letters, Volume 19, Issue 16, pp:1218 - 1220 August 15, 2007.
49- Mohamed El-Gaphy and Diaa Khalil, “FTTH Triplexer design using asymmetric Y-Junction with etched branch”, IEEE Photonics Technology Letters, VOL. 19, NO. 15, pp 1157-1159, August 1, 2007.
50- Michael Monir, Hatem El-Refaei, Diaa Khalil, and Omar A. Omar, “Assessment of the NM-lines Sensitivity for Measurement Errors”, Fiber and Integrated Optics, Taylor and Francis Inc., Vol. 26, pp. 1-15, 2007.
51- Tarek Badreldin, Kareem Madkour and Diaa Khalil, “Design of silicon hollow waveguide inline polarizer using a photonic crystal concept”, Journal of Optics A: Pure and Applied Optics, Vol. 0, pp.88-94, Jan. 2007.
52- B. Saadany, M. Malak, M. Kubota, , F. Marty, Y. Mita, Diaa Khalil, and T. Bourouina, “Free-Space Tunable and Drop Optical Filters using Vertical Bragg Mirrors on Silicon”, IEEE JSTQE, Vol. 12, No. 6, pp1480-1488, Nov./Dec., 2006.
53- Noha Safy El-Din and Diaa Khalil, “Effect of Birefringence on the Coupling Length of Integrated Directional Coupler”, Sci. Bull. Fac. Eng. Ain Shams Univ., Vol. 41, pp. 575-582, Sept. 2006.
54- George Isaac and Diaa Khalil, “A Ray Optics Model for Triangular Hollow Silicon Waveguides”, Journal of Applied Optics, Vol. 45, No.29, pp 7567-7578, October 2006.
55- Michael Monir, Hatem El-Refaei, and Diaa Khalil, ”Single mode refractive index reconstruction using an NM-line technique”, Fiber and Integrated Optics, Taylor and Francis Inc., Volume 25, Number 2 pp. 69-74, March-April 2006.
56- T. Mamdouh, and Diaa Khalil, “A MEMS tunable optical ring resonator filter”, Optical and Quantum Electronics, Volume 37, Number 9, pp. 835-853, July 2005.
57- Ayman Yehia and Diaa Khalil, “Design of a compact Three-Dimensional Multimode Interference PHASed ARray structures (3D MMI PHASAR) for DWDM applications”, IEEE JSTQE, Vol. 11, No. 2, pp. 444-451, Marsh/April 2005.
58- Tarek Badreldin, Tamer Saad and Diaa Khalil, “Yield Analysis of Optical MEMS Assembly Process Using a Monte Carlo Simulation Technique”, IEEE, JLT Vol. 23, pp. 510-516, Feb. 2005.
59- A. Yehia, K. Madkour, H Maaty and D. Khalil, “Multiple-Imaging in 2D MMI Silicon Hollow Waveguides”, IEEE Photonics Technology Letters, Vol. 16, No. 9, pp. 2072-2074, September 2004.
60- Ayman Yehia and Diaa Khalil, “Cascaded multimode interference phased array structures for dense wavelength division multiplexing applications”, Optical Engineering, Vol. 43 No. 5, pp. 1060-1065, May 2004.
61- Aymen Bashir, Pekka Katila, Nicolas Ogier, Bassam Saadany, and Diaa Khalil, “A MEMS Based VOA with very low PDL”, IEEE Photonics Technology Letters, Volume: 16, No. 4, pp. 1047 -1049, April 2004.
62- Diaa Khalil and Ayman Yehia, “Two-dimensional multimode interference in integrated optical structures”, J. Opt. A: Pure Appl. Opt. 6, pp. 137–145 Jan. 2004.
63- Diaa Khalil, “Extension of the Radiation Spectrum Method RSM for the reflection calculation at the end of a strongly guiding optical waveguide”, Optical and Quantum Electronics, Vol. 35 (8), pp. 801-809, June 2003.
64- Diaa Khalil, H. Maaty, A. Bashir, and B. Saadany, “The effect of shutter thickness on opto-mechanical variable optical attenuators”, Microwave and Optical Technology Letters, Vol. 36, Issue 2, pp. 110-112, Jan., 2003.
65- Bassam Saadany and Diaa Khalil, “Modeling of MOEMS components using HDL-A”, IEEE, Journal of Selected Topics in Quantum Electronics, Vol. 8, No. 1, pp. 132-138, Jan/Feb. 2002.
66- Salwa El-Sabban, Isabelle Schanen, Diaa Khalil, and Pierre Benech, “Fabrication and test of an integrated optical magic T on a glass substrate”, IEEE Photonics Technology Letters, Volume: 13 No. 7, pp. 684 –686, July 2001.
67- Salwa El-Sabban, Diaa Khalil, Isabelle Schanen and Pierre Benech, “Design of an Integrated Optical Magic T for Astronomy Applications”, Applied Optics, Vol. 39, No. 36, pp. 6781-6786, 20 Dec. 2000.
68- Diaa Khalil, Christian Seassal and Smail Tedjini, “Optical Modeling of waveguide photonic nano-structures using the radiation spectrum method (RSM) with evanescent modes”, IEEE Journal of Selected Topics in Quantum Electronics, JSTQE, Vol. 5, No. 1, pp. 127-132. Jan/Feb 1999.
69- Diaa A. M. Khalil, “On the radiation mode effects in integrated optical directional couplers”, Journal of Optical and Quantum Electronics, Vol. 31, No. 2, pp. 151-159, Feb. 1999.
70- Hatem H. El-Refaei and Diaa Khalil, “Design of strip loaded weak guiding 2x2 multimode interference (MMI) structure for an optical router”, IEEE Journal of Quantum Electronics, Vol. 34, No. 12, pp. 2286-2290, December 1998.
71- Hatem Elrefai and Diaa A. M. Khalil, “Rigorous modal analysis of multimode interference structures with multiple reflections”, Optics communications, Vol.144, pp. 306-314, 15 December 1997.
72- Diaa A. M. Khalil, “Effect of the transition region on the design of an integrated optical directional coupler”, Sci. Bull. Fac. Eng. Ain Shams Univ., Vol. 32, No. 4, December 1997.
73- Diaa A. M. Khalil and Tamer A. Amer, “Weighted index beam propagation method WIBPM for the analysis of three dimensional optical structures”, IEE Proceedings part J, Optoelectronics, Vol. 144, Issue 4, pp. 197-202, August 1997.
74- Diaa A.M. Khalil and Amr M. E. Safwat, "On the improvement of the performance of the optically controlled microwave switch’, IEEE Transactions on Microwave Theory and Techniques, Vol. 45, No. 8, pp. 1358-1361, August 1997.
75- Amr M. E. Safwat, Diaa A.M. Khalil, H. Elhenawy and H. F. Ragaie, "Quasi-static analysis of an optically illuminated directional coupler”, IEEE Transactions on Microwave Theory and Techniques, Vol. 45, No. 8, pp. 1351-1357, August 1997.
76- P. Gerard, P. Benech, D. Khalil, R. Rimet and S. Tedjini, “Towards a full vectorial and modal technique for the analysis of integrated optical structure: The radiation spectrum method RSM”, Optics communications, Vol. 140, pp. 128-145, 15 July 1997.
77- Amr. M. E. Safwat, J. Haider, Diaa A.M. Khalil, Anne Vilcot, M. Boutinou, H. Elhenawy and H. Ragaie, "Optically Controlled Microwave Matching Technique’, Microwave and optical technology letters, Vol. 11, No. 5, pp. 284-290, 5 April 1996.
78- Smail Tedjini, Anh Ho-Quoc, and Diaa Khalil, "All Optical Networks as Microwave and Millimeter wave Circuits", IEEE Transactions on Microwave Theory and Techniques, Vol. 43, No. 9, pp. 2428-2434, September 1995.
79- Pierre Benech and Diaa Khalil, "Rigorous Spectral Analysis of Leaky Structures: Application to the Prism coupling problem", Optics Communications, Vol. 118, pp. 220-226, 15 July 1995.
80- Philippe Gérard, Pierre Benech, Diaa Khalil and Roger Rimet, "Effects of radiation mode Coherent coupling in integrated optics discontinuities", Applied Optics, Vol. 33, No. 21 pp. 4814- 4824, 20 July 1994.
81- Diaa Khalil and Smail Tedjini, "An electrooptic switching structure on III-V semiconductors using the coherent coupling of radiation modes", Journal de Physique III, No. 9, pp. 1769-1776, September 1993.
82- Diaa Khalil, Pierre Benech and Smail Tedjini, "Asymmetric excitation of symmetric single-mode Y-junction : The radiation mode effects", IEEE Transactions on Microwave Theory and Techniques, Vol. 40, No. 12, pp. 2235-2242, December 1992.
83- Diaa Khalil, S. Tedjini and P. Benech, "Analyse théorique et caractérisation expérimentale d'une jonction "Y" utilisée comme capteur de déplacement", Annales des Télécommun., Vol. 47, n° 9-10, pp. 383-390, Sept. 1992.
84- I. Duport, P. Benech, Diaa. Khalil, and R. Rimet, "Study of linear taper waveguides made by ion-exchange in glass", Journal of physics-D: Applied physics, Vol. 25, No. 6, pp. 913-918, 14 June 1992.
- rebuplished at "Engineering Optics”, pp. 341-346, IOP Publishing Ltd 1992.
85- Diaa Khalil and S. Tedjini, "Coherent coupling of radiation modes in Mach-Zehnder electrooptic modulators", IEEE J. Quantum Electronic., Vol. 28, No. 5, pp. 1236-1239, May 1992.
86- P. Benech, Diaa Khalil, and F. St. André, "An exact simplified method for the normalization of radiation modes in planar multilayer structures", Optics Communications, pp. 96-100, Vol. 88, No. 2-3, March 1992.
87- Diaa Khalil and Smail Tedjini, "Non-harmonic large amplitude modulation of a semiconductor laser in a self-homodyne interferometric optical system", IEEE Journal of Lightwave Technology, Vol. 9, No. 6, pp. 770-778, June 1991.

Published Research in Confernces:
International conferences :
1- George A. Adib ; Yasser M. Sabry and Diaa Khalil, "Optical filter finesses enhancement based on nested coupled cavities and active medium ", Proc. SPIE 9893, Laser Sources and Applications III, 989316 (April 27, 2016); doi:10.1117/12.2227396.
2- Mazen Erfan, Yasser M. Sabry, Bassem Mortada, Khaled Sharaf and Diaa Khalil, “Mid Infra-Red MEMS FTIR Spectrometer,” SPIE Photonics West – OPTO, San Francisco, USA, February 2016.
3- Muhammad A. Othman, Yasser M. Sabry, Mohamed Sadek, Ismail M. Nassar and Diaa Khalil, “Deeply-etched micromirror with vertical slit and metallic coating enabling transmission-type optical MEMS filters,” SPIE Photonics West – OPTO, San Francisco, USA, February 2016. .
4- Yomna Eltagoury, Yasser M. Sabry and Diaa Khalil, “Novel Fourier transform infrared spectrometer architecture based on cascaded Fabry-Perot interferometers,” SPIE Photonics West – OPTO, San Francisco, USA, February 2016.
5- Momen Anwar, Yasser M. Sabry, Philippe Basset, Frédéric Marty, Tarik Bourouina and Diaa Khalil, “Black silicon-based infrared radiation source,” Presented in SPIE Photonics West – OPTO, San Francisco, USA, February 2016.
6- Yasser M. Sabry, Yomna M. Eltagoury, Ahmed Shebl, Mostafa Soliman, and Diaa Khalil, “Fiber-coupled Fabry-Pérot notch filter combining in-plane axis, high speed MEMS tunability and large etching depth”, SPIE Photonics West, San Francisco, USA, 7 - 12 February 2015.
7- Noha Gaber, Yuto Takemura, Maurine Malak, Frédéric Marty, Diaa Khalil, Dan Angelescu, Elodie Richalot, and Tarik Bourouina, “Volume refractometry of liquids using stable optofluidic Fabry-Pérot resonator with curved surfaces”, SPIE Photonics West, San Francisco, USA, 7 - 12 February 2015.
8- Kamal Khalil, Khaled Hassan, Ahmed Shebl, M. Soliman, Fares Al-Arifi, Mohammed Al-Otaibi, Yomna M. Eltagoury, Yasser M. Sabry, and Diaa Khalil, “MEMS-based frequency modulation of fiber ring laser”, SPIE Photonics West, San Francisco, USA, 7 - 12 February 2015.
9- Ahmed Shebl, Khaled Hassan, Fares Al-Arifi, Mohammed Al-Otaibi, Yasser Sabry, and Diaa Khalil, “Thermal stability of multi-longitudinal mode laser beating frequencies in hybrid semiconductor-fiber ring laser”, SPIE Photonics West, San Francisco, USA, 7 - 12 February 2015.
10- Kamal Khalil, Fares Al-Arifi, Mohammed Al-Otaibi, Yasser M. Sabry, and Diaa Khalil, “Bidirectional single-longitudinal mode SOA-fiber ring laser based on optical filter-assisted gain starvation”, SPIE Photonics West, San Francisco, USA, 7 - 12 February 2015.
11- Haitham Omran, Yasser M. Sabry, Khaled Hassan and Diaa Khalil “Deeply-etched 1 micron-thick silicon layers enabling 170-nm bandwidth highly-reflective Bragg mirrors”, International Conference on Optical MEMS and Nanophotonics Glasgow, Scotland, August 2014.
12- Yomna M. Eltagoury, Mostafa Soliman, Mohammed Al-Otaibi, Yasser M. Sabry, Mohamed Sadek and Diaa Khalil, “In-plane comb-drive actuator with high frequency-displacement product for micro-optical bench applications”, International Conference on Optical MEMS and Nanophotonics Glasgow, Scotland, August 2014.
13- Bassem Mortada, Yasser M. Sabry, Muhammad Nagi, Khaled Hassan, Bassam Saaday, Tarik Bourouina and Diaa Khalil, “High-throughput deeply-etched scanning Michelson interferometer on-chip”, International Conference on Optical MEMS and Nanophotonics Glasgow, Scotland, August 2014.
14- Kamal Khalil, Khaled Hassan, Ahmed Shebl, Mostafa Soliman, Yomna M. Eltagoury, Mohammed Al-Otaibi, Yasser M. Sabry and Diaa Khalil, “MEMS corner-cube transmission-type optical phase modulator in DRIE technology”, International Conference on Optical MEMS and Nanophotonics Glasgow, Scotland, August 2014.
15- Alaa Eldin S. M. El Hady, Yasser M. Sabry, Mohamed Yehia, and Diaa Khalil, “Dual-fiber OCT measurements”, SPIE BiOS, Photonics West 2014, USA, February 2014.
16- Diaa Khalil, Amr Wageeh, Salwa El-Sabban, and Gamal A. F. M. Khalaf, “On the resonance frequency of an integrated optical ring resonator with low radius of curvature”, SPIE OPTO, Photonics West 2014, USA, February 2014.
17- Yasser M. Sabry, Diaa Khalil, Bassam Saadany, Tarik Bourouina, “Three-dimensional collimation of in-plane-propagating light using silicon micromachined mirror”, SPIE MOEMS-MEMS, Photonics West 2014, USA, February 2014.
18- Bassem M. Al-Demerdash, Mostafa Medhat, Bassam Saadany, and Diaa Khalil, “MMI-based MOEMS FT spectrometer for visible and IR spectral ranges”, SPIE MOEMS-MEMS, Photonics West 2014, USA, February 2014.
19- Haitham Omran, Yasser M. Sabry, Mohamed Sadek, Khaled Hassan, Mohamed Y. Shalaby, and Diaa Khalil, “ MEMS optical tunable filter-based on free-standing sub-wavelength silicon layers”, SPIE MOEMS-MEMS, Photonics West 2014, USA, February 2014.
20- Yasser M. Sabry, Diaa Khalil, Bassam Saadany, and Tarik Bourouina, “Inclination-independent transformation of light beams using high-throughput uniquely-curved micromirrors”, The 27th IEEE International Conference on Micro Electro Mechanical Systems, SF, USA, January 2014
21- Ahmed Fawzy, Salwa El-Sabban, Ibrahim Ismail and Diaa Khalil, “On the Modeling of an External Cavity Tunable Laser ECTL Source with Finite Mirror Dimensions”, PIERS 2013, Stockholm, Sweden, 12-15 August, 2013.
22- Haitham Omran, Diaa Khalil, and M. Shalaby, “MEMS based Swept Laser Source for OCT Applications”, SIECPC 2013, Riyadh SA, 27-30 April 2013.
23- Yasser M. Sabry, Diaa Khalil, Bassam Saadany, and Tarik Bourounia, “Wide steering angle microscanner based on curved surface”, SPIE Photonics West, San Francisco, USA, February 2013 [Best student paper award].
24- Yasser M. Sabry, Tarik Bourounia, Bassam Saadany, and Diaa Khalil, “In-plane diffraction loss free optical cavity using coated optical fiber and silicon micromachined spherical mirror”, SPIE Photonics West, San Francisco, USA, February 2013.
25- Bassam Saadany, Muhammad Nagi, Yasseen Nada, Bassem Mortada, Mostafa Medhat, Tarik Bourouina, and Diaa Khalil, “High Resolution Monolithic MEMS FT-IR Spectrometer”, Pittcon 2012, USA March 2012.
26- Haitham Omran, Sami Sakhawy, Mohamed Shalaby, and Diaa Khalil, “Linewidth of swept laser source”, SPIE Photonics west, USA 2012.
27- Islam Abdo, Naguib Ashry, Mohamed Sadek, Mohamed Abdel Hakim, and Diaa Khalil, “Effect of ring width on ring generated Bessel beam”, SPIE Photonics West conference, USA, Jan., 2012.
28- Mohamed Nabil, and Diaa Khalil, “Simple Method for Measuring Dispersion and Spectral Absorption of Si wafers for use in MEMS Applications”, First International Conference on Electronics, Communications and Photonics (SIECPC 2011), Riyadh, Saudi Arabia, 23rd to the 26th April, 2011.
29- Diaa Khalil, Yaser Sabry, Haitham Omran, Mostafa Medhat, Amr Hafz, and Bassam Saadany, “Characterization of MEMS FTIR Spectrometer”, SPIE Photonics west, USA 2011.
30- Noha Ali, Diaa Khalil, and Amr Shaarawi, “Fabrication of Optical Filters using Multilayered Porous Silicon”, SPIE Photonics west 2011, USA.
31- Noha Gaber, Amr Shaarawi, and Diaa Khalil, “Refractive index change in porous silicon after detaching from the substrate”, OSA-IEEE Advances in Optoelectronics and Micro/nano optics AOM 2010, Guangzhou, China, 3-6 December, 2010. (Best student paper award).
32- Noha Anos, Diaa Khalil, and Amr M. E. Safwat, “The Effect of Gaussian Beam Spot Size on the Performance of an SPR IR Optical CO2 Sensor”, 7th International Symposium on High capacity Optical Network and Enabling Technologies, HONET 10, Cairo, Egypt, 19-21 Dec. 2010.
33- Haitham Omran, Mostafa Medhat, Bassam saadany and Diaa Khalil, “Mach-Zehnder MEMS interferometer with two Si/Air beam splitters”, IDT09, , Riyadh , Kingdom of Saudi Arabia, 8-11 November, 2009.
34- Mostafa Hassan, Ahmed Morshed and Diaa Khalil, “Stable optical filter using Porous Silicon Technology”, IDT09, Riyadh, Kingdom of Saudi Arabia, 8-11 November, 2009.
35- B. Saadany, H. Omran, M. Medhat, D. Khalil, and T. Bourouina, “MEMS Tunable Michelson Interferometer with Robust Beam Splitting Architecture”, IEEE/LEOS International Conference on Optical MEMS and Their Applications, August 2009, USA
36- Y. Sabry, M. Medhat, B. Saadany, A. M. E. Safwat and D. Khalil, “Optical Characterization Technique for MEMS Comb-Drive Resonators”, IEEE/LEOS International Conference on Optical MEMS and Their Applications, August 2009, USA
37- Maurine Malak, Ahmed Hisham Morshed, Khaled Hassan, Tarik Bourouina, Hanan Anis and Diaa Khalil, “Design of CWDM Multiplexers Based on Series Coupled Ring Resonators: Analysis and Potential of MEMS Technologies”, DTIP of MEMS and MOEMS, Roma, Italy, 1-3 April 2009.
38- Tamer M. Tawfik, Ahmed H. Morshed, and Diaa Khalil, “Modeling mask scattered field at oblique incidence”, SPIE Advanced Lithography 2009 San Jose, California, USA 22-27 February 2009. [Best student paper award]
39- Mohamad Abdelalim, Yury Logvin, Diaa Khalil, and Hanan Anis, “Optimizing stable mode-locked operation of Yb-doped femtosecond fiber laser”, LASE09, SPIE Photonics West, San Jose, CA United States, 24 -29 January 2009.
40- Ragheb, M.M.; El-Refaei, H.H.; Khalil, D.; Omar, O.A., "Design of Compact Integrated InGaAsP/ InP Polarization-Insensitive Tunable 2x2 Power Coupler over the C-band," in EUROCON, 2007. The International Conference on "Computer as a Tool" , vol., no., pp.1289-1294, 9-12 Sept. 2007.
41- Ahmed Hussein, Ahmed Nounou, Nehal Saada, Dina Atef and Diaa Khalil, “SPICE Modeling of Free-Space Optical Systems”, 2006 IEEE/ACM International Workshop on Behavioral Modeling and Simulation (BMAS'06), USA, 2006.
42- B. Saadany, D. Khalil, and T. Bourouina, “Highly Efficient Micro-machined Bragg Mirrors Using Advanced DRIE Process”, The 2006 International Conference on MEMS, NANO and Smart Systems December 27-28, 2006, Cairo, Egypt.
43- H. E. Kotb, A. M. E. Safwat, H. Boghdady, and D. Khalil, “Tuning of an RF Optoelectronic Oscillator”, International Topical Meeting on Microwave Photonics MWP 2006, Grenoble France.
44- B. Saadany, T. Bourouina, M. Malak, M. Kubota, Y. Mita, and D. Khalil, “A Miniature Michelson Interferometer using Vertical Bragg Mirrors on SOI”, IEEE/LEOS International Conference on Optical MEMS and Their Applications, 21 - 24 August 2006, Big Sky, Montana, USA.
45- B. Saadany, D. Khalil, M. Malak, M. Kubota, F. Marty, Y. Mita, and T. Bouruina, “An all Silicon Micro-machined Add-Drop optical filter”, IEEE/LEOS International Conference on Optical MEMS and Their Applications, 21 - 24 August 2006, Big Sky, Montana, USA
46- B. Saadany, M. Malak, F. Marty, Y. Mita, D. Khalil, and T. Bouruina, “Electrostatically-tuned Optical Filter Based on Silicon Bragg Reflectors’, IEEE/LEOS International Conference on Optical MEMS and Their Applications, 21 - 24 August 2006, Big Sky, Montana, USA
47- Tarek Badreldin, Kareem Madkour and Diaa Khalil, “Design of Silicon Hollow waveguide Polarizer using Multilayer Structure”, IEEE 2nd International conference on Group IV photonics, Antwerp, Belgium, 21- 23 September 2005.
48- M. Swillam, A. H. Morshed and D. Khalil, “Optimized 3D design of an MMI splitter with ion exchange technology”, SPIE’s Photonics North Symposium, Toronto, Ontario, Canada. 12-14 September 2005.
49- B. Saadany, F. Marty, Y. Mita, D. Khalil, and T. Bourouina, “A MEMS Tunable Optical Filter Based on Vertical DBR Architecture”, DTIP 2004, Montreux, Switzerland, 12-14 May 2004.
50- Hesham Maaty, Diaa Khalil and Tarik Bourouina,”Optical Characterization of Single Crystal Silicon Microlens Fabricated by the ‘MEMSNAS’ Process”, The 46th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS, 27-30, Cairo, Egypt, December 2003.
51- Mohamed Gheith, Ahmed Hussein, Kareem Madkour Bassam Saadany, and Diaa Khalil, “A Micromachined Coupled-cavity Tunable Optical Filter”, The 46th IEEE International Midwest Symposium on Circuits and Systems, MWSCAS, Cairo, Egypt, 27-30 December 2003.
52- M. S. Mahmoud, D. Khalil, M. T. El- Hagry and M. A. Badr, “High speed, large displacement comb drive design validation using Finite Element Modeling”, International Conference in Microelectronics, ICM’03, Cairo, Egypt, Dec. 2003.
53- Kareem Madkour, Hesham Maaty, Tarek Badreldin, Bassan Saadany, and Diaa Khalil, “Silicon hollow waveguide for MEMS applications”, ECOC-IOOC 2003, Rimini, Italy, 21-25 September 2003.
54- B. Saadany, T. Bourouina, and D. Khalil, "Design of a MEMS tunable optical filter based on a novel vertical DBR architecture", MEMSWAVE th Workshop on MEMS for millimeter wave communications, Toulouse, France,  July 
55- A. Bashir, B. Saadany, P.Katila, A.H. Morshed and D. Khalil, “PDL modeling in a transmission type MEMS based VOA”, MEMSWAVE th Workshop on MEMS for millimeter wave communications, Toulouse, France,  July .
56- Ayman Yehia and Diaa Khalil, “Multi-Stage MMI-PHASAR De-Multiplexer for DWDM Applications with High Number of Channels”, Proceedings of the IEEE Mediterranean Microwave Symposium MMS’2003, Cairo, Egypt, pp. 52-55, May 2003.
57- Salwa M. Eltaweel, Diaa Khalil, Omar A. Omar, and Mahmoud. H. Ahmed, “Modeling of a quantum dot Structure using an effective potential technique”, Proceedings of the IEEE Mediterranean Microwave Symposium MMS’2003, Cairo, Egypt, pp. 56-60, May 2003.
58- M. A. Swillam, A. Yehia, A. H. Morshed, and D. Khalil, “Self-Imaging in Graded Index Multimode Interference Devices”, Proceedings of the IEEE Mediterranean Microwave Symposium MMS’2003, Cairo, Egypt, pp. 61-64, May 2003.
59- Tarek M. El-Basyouny, A. H. Morshed, and Diaa Khalil, “Suppression of spontaneous emission in 2-D photonic crystal structures based on effective modal refractive indices”, Proceedings of the IEEE Mediterranean Microwave Symposium MMS’2003, Cairo, Egypt, pp. 65-68, May 2003.
60- Diaa Khalil, “Large signal analysis of Intensity Modulation Direct Detection IM-DD optical communication systems”, Proceedings of the IEEE Mediterranean Microwave Symposium MMS’2003, Cairo, Egypt, pp. 248-251, May 2003.
61- Tarek Mamdouh and Diaa Khalil, “A New MEMS Based Tunable Optical Filter Ring Resonator, Proceedings of the IEEE Mediterranean Microwave Symposium MMS’2003, Cairo, Egypt, pp. 262-265, May 2003
62- M. S. Mahmoud, D. A. M. Khalil, M. Elhagery, and M. Badr, “Improvement of the comb drive actuator transient response using a digital compensation technique”, URSI, 27th General Assembly, Amsterdam, August 2002.
63- Diaa Khalil, “Reflection at the end of strongly guiding dielectric waveguide”, 7th Optoelectronics and Communications Conference OECC 2002, Pacifico Yokohama, Japan, 8-12 July, 2002.
64- Ayman Yehya and Diaa Khalil, “Analysis of 2D Multimode Interference Structures”, WFOPC 2002, IEEE/LEOS Workshop on Fibre and Optical Passive Components, Glasgow, U.K., 5-6 June, 2002.
65- M. S. Mahmoud, D. A. M. Khalil, M. Elhagery, and M. Badr, “Digital compensation technique for the improvement of the comb drive actuator transient response”, DTIP2002, Design, Test, Integration and Packaging of MEMS/MOEMS, Cannes, France, 6-8 May 2002.
66- Ahmed H. Morshed and Diaa Khalil, “Fabrication and characterization of optical surface and buried waveguides made by ion exchange on glass”, 11th MELECON, Cairo-Egypt, 7-9 May 2002.
67- Bassam Saadany, and Diaa Khalil, “Integrating optical wave simulation into Microsystems CAD tools”, DTIP2001, Design, Test, Integration and Packaging of MEMS/MOEMS, Cannes, France, April, 2001.
68- B. Saadany and D. Khalil, "Modeling of integrated optical components using a hardware description language", 1999 IEEE/ACM International Workshop on Behavioral Modeling and Simulation (BMAS'99), USA, 4-6 October 1999.
69- Salwa El-Sabban, Diaa Khalil, Isabell Schanen, Pierre Benech and Smail Tedjini, “Design of an Integrated Optical Magic T Using the Multimode Interference Phenomena”, SPIE international symposium, Photonics west, Optoelectronics ’99, USA 1999.
70- Smail TEDJINI, Diaa Khalil, and Christian SEASSAL, “CAD Models for Optical Integrated Circuits Using the Radiation Spectrum Method (RSM) with Evanescent Modes”, SPIE international symposium, Photonics west, Optoelectronics ’99, USA 1999.
71- Diaa Khalil, Steven Ayling and John Marsh, “The Use of Pyrex with SiO2 in Localising Quantum Well Intermixing For Optoelectronic Integration’, International Conference in Microelectronics, ICM’96, Cairo Egypt, Dec. 1996.
72- Diaa A. Khalil, Tamer A. Amer and H. F. Ragaie, “The Weighted Index Beam Propagation Method WIBPM”, the XXVth General Assembly of the URSI, 28 August- 5 Sept. Lille - France, 1996.
73- Pierre Benech and Diaa Khalil, "A rigorous spectral analysis of the prism coupling problem", 3rd Sino-French congress, Shanghai, 15 September 1995.
74- Smail Tedjini and Diaa Khalil, "On the microwave behavior of single mode optical components", URSI, Kyoto, Japan, September 1993.
75- Smail Tedjini and Diaa Khalil, "On the use of optical networks for performing microwave functions", 23rd European Microwave Conference, Madrid, Spain, 6-9 September 1993.
76- Smail Tedjini, Diaa Khalil and Anh Ho Quoc, "On the behavior of microwave signals in optical networks", IEEE-LEOS Summer topical meeting on Optical Microwave Interactions, California USA, July 19-21, 1993.
77- Diaa A. M. Khalil, Pierre Benech, and Smail Tedjini, "Asymmetric Excitement of Symmetric Monomode Y-Junction: The Radiation Mode Effects", IEEE MTT-S International Microwave Symposium Digest, Vol.1, pp. 441-444, 1992.
78- Diaa A. M. Khalil and Smail Tedjini, "A novel structure for electrooptic intensity modulators: The radiation mode modulator", SPIE's international symposium O/E aerospace sensing, Orlando, 20-24 April 1992.
79- D. Khalil and S. Tedjini, "Radiation modes in integrated optic discontinuities", Proc. of the 11th European Symposium on optoelectronics, OPTO91, pp. 416-421, ESI publications, Paris 26-28 March 1991.
80- E. Pic, A. Kevorkian, D. Khalil and S. Tedjini, "Some applications on integrated optics on semiconductor", Colloque franco-chinois sur l'utilisation des fibres optiques, Shanghai, November 1991.
81- Diaa Khalil, S. Tedjini, and G. Chartier, "A simple homodyne technique for the characterization of wideband optical detectors", Fiber Optics'90, P. McGeehin, Ed., SPIE Proceedings, Vol. 1314, pp. 38-44, 1990.

II- Refereed National Conferences:

82- Ahmed A. Elsayed, Mohammad Sakr, Mazen Erfan, Yasser M. Sabry and Diaa Khalil, “On the Environmental Gas Sensing Using MEMS FTIR Spectrometer in the Near-Infrared Region”, Proceedings of the 33rd National Radio Science Conference (NRSC), pp 348-355, Aswan, Egypt, February 2016.
83- Ahmed Shebl, Ahmed M. Othman, Ashraf Mahmoud, George Albert, Yasser M. Sabry, Khaled Sharaf, and Diaa Khalil, “Ring laser gyroscope based on standard single-mode fiber and semiconductor optical amplifier”, Proceedings of the 33rd National Radio Science Conference (NRSC), pp 368-375, Aswan, Egypt, February 2016.
84- George A. Adib, Ahmed Shebl, Yasser M. Sabry, and Diaa Khalil, “Beating signal power level improvement in ring lasers based on coupled ring resonators”, Proceedings of the 33rd National Radio Science Conference (NRSC), pp 377-383, Aswan, Egypt, February 2016. (Best Paper Award).
85- M. Ragheb, H. El-Refaei, D. Khalil and O. Omar, “Design of InGaAsP/InP Compact Integrated Lyot Depolarizer”, The 32nd National Radio Science Conference NRSC 2015, Cairo Egypt.
86- Y. Sabry, T. Bourounia and D. Khalil, “Optical coupling of cylindrical micromirrors in micro-optical benches”, The 32nd National Radio Science Conference NRSC 2015, Cairo Egypt.
87- Y. Eltagoury, M. Soliman, M. Sadek, Y. Sabry and D. Khalil, “High frequency in-plane MEMS actuator “,The 32nd National Radio Science Conference NRSC 2015, Cairo Egypt. (Best Student Paper Award)
88- Yasser Sabry, Haitham Omran, and Diaa Khalil, “Intrinsic Improvement of Diffraction-Limited Resolution in Optical MEMS Fourier-Transform Spectrometers”, The 31th National Radio Science Conference NRSC 2014, Cairo Egypt. (Best Paper Award in the conference)
89- Noha H. Anous and Diaa A. Khalil, " DNG vs. SNG-based IR SPR Optical CO2 Sensor Performance Evaluation under Gaussian Beam Excitation”, The 31th National Radio Science Conference NRSC 2014, Cairo Egypt, April 2014.
90- Maurine Malak, Ahmed Hisham Morshed, Diaa Khalil, Khaled Hassan and Hanan Anis, “Design of Coupled Ring Resonator CWDM Multiplexers”, The 26th Annual National Conference on Radio Science, URSI conference, Cairo, Egypt, 17-19 March 2009.
91- Marwa M. Ragheb, Hatem H. El-Refaei, Diaa Khalil, and Omar A. Omar, “Design of Automatic All-Power TE Polarizer on InGaAsP/ InP Over The C-band”, The 26th Annual National Conference on Radio Science, URSI conference, Cairo, Egypt, 17-19 March 2009.
92- Tarek Badreldin and Diaa Khalil, “Monte Carlo Simulation of Photonic Band Gap Structures”, The 2006 International Conference on MEMS, NANO and Smart Systems December 27-28, 2006, Cairo, Egypt.
93- B. Saadany, M. Malak , M. Kubota, F. Marty, Y. Mita, D. Khalil, and T. Bourouina, “A MEMS tuned Optical filter using Bragg Mirrors”, Optical Communications and Optoelectronics Egyptian Workshop, OCOPE 2006, 14 June 2006, Cairo, Egypt.
94- G. Isaac and D. Khalil, “Hollow Waveguide Tapers as Spot Size Converters for Optical MEMS Applications”, Optical Communications and Optoelectronics Egyptian Workshop, OCOPE 2006, 14 June 2006, Cairo, Egypt.
95- H. E. Kotb, A.E. Safwat, H. Boghdady and D. Khalil, “Towards an All Optical RF Opto-electronic oscillator”, Optical Communications and Optoelectronics Egyptian Workshop, OCOPE 2006, 14 June 2006, Cairo, Egypt.
96- N. Safy El-Din and D. Khalil, “Effect of Birefringence on the Coupling Length of Integrated Directional Coupler”, Optical Communications and Optoelectronics Egyptian Workshop, OCOPE 2006, 14 June 2006, Cairo, Egypt.
97- I.M. Nassar, H. El-Refaei, D. Khalil, and O. A. Omar Designing an Integrated Polarization Converter using a Genetic Algorithm”, Optical Communications and Optoelectronics Egyptian Workshop, OCOPE 2006, 14 June 2006, Cairo, Egypt
98- M. Monir, H. El-Refaei, D. Khalil and O. A. Omar, “Refractive Index Profile Reconstruction for Single Mode Waveguide” Optical Communications and Optoelectronics Egyptian Workshop, OCOPE 2006, 14 June 2006, Cairo, Egypt.
99- M. M. Hassan , D. Khalil and M. Y. Ghannam, “Design and Implementation of a UV Optical Filter”, Optical Communications and Optoelectronics Egyptian Workshop, OCOPE 2006, 14 June 2006, Cairo, Egypt.
100- T. Badreldin, T. Saad, and D. Khalil, “On the Monte Carlo simulation of optical MEMS components”, International Conference on Electrical, Electronic and Computer Engineering ICEEC’04, Cairo- Egypt, September 5th-7th, 2004.
101- M. Swillam, A. Morshed, and D. Khalil, “Optimization of optical wide band 3-dB MMI splitter with graded-index side diffusions”, International Conference on Electrical, Electronic and Computer Engineering ICEEC’04, Cairo- Egypt, September 5th-7th, 2004.
102- A. Yehia and D. Khalil, “Towards multilevel integrated optics: The two-dimensional multimode interference PHASAR”, International Conference on Electrical, Electronic and Computer Engineering ICEEC’04, Cairo- Egypt, September 5th-7th, 2004.
103- Kareem Madkour, Hesham Maaty and Diaa Khalil, “Hollow waveguides for NxN optical cross connect switch”, The 4th workshop on photonics and its applications, Cairo, Egypt, May 4, 2004.
104- Diaa Khalil and Ahmed H. Morshed, “Assembly and characterization of optical MEMS (Micro-Electro-Mechanical Systems)”, Proceedings of the 3rd workshop on photonics and its applications at Egyptian engineering faculties and institutes, pp. 111-116, Cairo Egypt, 5 Jan. 2002.
105- H. Maaty, A. Bashir, B. Saadany and D. Khalil, “Modeling and characterization of a VOA with different shutter thickness”, Proceedings of the 3rd workshop on photonics and its applications at Egyptian engineering faculties and institutes, pp. 117-122, Cairo Egypt, 5 Jan. 2002.
106- Diaa Khalil and Smail Tedjini, “Teaching laser dynamics and optical communication systems using standard system simulator”, Proceedings of the 2nd workshop on teaching photonics at egyptian engineering faculties and institutes, pp- 55-62, Cairo Egypt, 24 Oct. 2000.
107- Diaa Khalil and Smail Tedjini, “Reflexion a la sortie d’un guide optique dielectrique”, 19ème Journées Nationales d'Optique Guidée JNOG 99, Limoges, 6-8 December 1999.
108- Jacquin, P. Benech, D. Khalil, and A. Trouillet, "Pertes par diffractions dans un crystal photonique 1D", 18ème Journées Nationales d'Optique Guidée JNOG 98, Marly-Le-Roi, 26-28 octobre 1998.
109- Diaa Khalil, Christian Seassal and Smail Tedjini, "Utilisation des modes évanescents pour la conception de circuits intégrés photonique - Partie I : modélisation électromagnétique", Workshop on ‘’the Global Simulators’’, Chapitre IEEE - MTT - ED, La Rochelle - France, 27-28 Mai 1998.
110- Christian Seassal, Diaa Khalil and Smail Tedjini, "Utilisation des modes évanescents pour la conception de circuits intégrés photonique - Partie II: Simulation de circuits", Workshop on ‘’the Global Simulators’’, Chapitre IEEE - MTT - ED, La Rochelle - France, 27-28 Mai 1998.
111- Tamer A. Amer, M.Y. Shalaby and Diaa A. Khalil, “A comparative study of circular optical guides using two beam propagation techniques”, Second International conference in laser science and applications, Cairo, Egypt, 16-19 Sept., 1996.
112- Hatem Elrefai and Diaa A. M. Khalil, “Rigorous modal analysis of multimode interference couplers”, Second International conference in laser science and applications, Cairo, Egypt, 16-19 Sept., 1996.
113- Diaa A. Khalil, Tamer A. Amer and H. F. Ragaie, “The Weighted Index Beam Propagation Method WIBPM”, Proceedings of the 13th URSI conference, Cairo , Egypt, 19-21 March, 1996.
114- Diaa Khalil and Smail Tedjini, "Les effets des modes rayonnés dans la jonction-Y monomode", Deuxieme Collégue Franco-Chinois sur la fibre optique, Grenoble, July 1993.
115- Diaa Khalil, S.Tedjini and P. Benech, "Effet de la longueur d'onde sur la division de puissance dans une jonction-Y monomode excitée de façon asymétrique", 13èmes Journées Nationales d'Optique Guidée JNOG93, Marseille, 26-27 May 1993.
116- Diaa Khalil and Smail Tedjini, "Une nouvelle structure pour la commutation électrooptique en utilisant le couplage cohérent de modes rayonnés", 4ème Journées Microelectronique et Optoelectronique III-V, La Grand Motte, 21-23 octobre 1992.
117- Diaa Khalil and Smail Tedjini,"Homodynage optique pour la génération des signaux microondes", Journées Optique et Microondes, Chapitre Français IEEE-MTT 26-27 novembre 1992.
118- Diaa Khalil and Smail Tedjini, "Une nouvelle structure pour la modulation électrooptique rapide", Journées Optique et Microondes, Chapitre Français IEEE-MTT 26-27 novembre 1992.
119- Diaa Khalil, Pierre Benech, and Smail Tedjini, "Utilisation de la jonction Y comme capteur de déplacement", Douzièmes Journées Nationales d'Optique Guidée, JNOG92, Paris, 22-23 Jan. 1992.
120- Diaa Khalil and S. Tedjini, "Etude de l'effet de la region transitoire dans les jonctions type "Y" par la BPM", 11ème Journées Nationales d'Optique Guidée JNOG90, Grenoble, 17-19 October 1990.
121- Diaa A. Khalil and H. F. Ragaie, "Computer Aided Characterization for solar cells", 10th International congress for statistics and computer science research in Cairo, April 1985.


III- Invited Talks [Total 17]:

122- Diaa Khalil, “A MEMS FTIR Sensor for the IoT Applications”, Keynote Speech at the Japan Egypt Conference JEC-ECC, Cairo Egypt, 2016.
123- Diaa Khalil, “The MEMS FTIR Spectrometer: An Optical IC to Analyze Everywhere”, Keynote Speech at the 33rd NRSC, Aswan, Egypt, Feb. 2016.
124- Diaa Khalil, “Towards an Integrated OCT MEMS based Module for Biomedical Imaging”, ICEAC 2015, Cairo, Egypt, March 2015.
125- Diaa Khalil, “Optical MEMS for Biomedical Imaging: Potential and Challenges of Integrated OCT Head Module”, the 3rd Saudi International Nanotechnology Conference SINC 2014, 1-3 Dec. 2014.
126- Diaa Khalil, “Integrated Optical Systems on a Silicon Substrate: Potential and Challenges”, Workshop of Applications of Nanotechnology in Electronics, Optics and Communications, ERI, Cairo Egypt, May 14th 2014.
127- Diaa Khalil, “MEMS Spectrometer and Optical Coherence Tomography Module”, MECAP 12, 2nd Middle East Conference on Antennas and Propagation, AUC, Cairo Egypt, 29-31 Dec. 2012.
128- Diaa Khalil, “MEMS Interferometers for Biomedical Applications”, CIBEC 2012, the 6th Cairo International Conference on Biomedical Engineering, Cairo, Egypt, Dec.20-22, 2012.
129- Diaa Khalil, “Silicon Integrated Spectrometers: A New Era of Sensors for Monitoring and Hand-held Applications”, 2012 UCSWSN Workshop: Ubiquitous Computing: Sensors and Wireless Sensors Network, Cairo Egypt, October 2012.
130- Diaa Khalil, “Optical MEMS Devices: From Components to Integrated Micro- Systems”, Nano technology workshop, Mansura University, Mansura, Egypt, July 2012.
131- Diaa Khalil, “Silicon Integrated Micro Interferometers for Sensing Applications”, NRSC 2012, Cairo Egypt, April, 2012.
132- Diaa Khalil, “Silicon Integrated Micro-Optical Systems Technology SiMOST: The Technology of Integrated Optical Bench“, IEEE Egypt chapter, Mini-Colloquium, Future University, Cairo Egypt, March 2012.
133- Diaa Khalil, “Integrated Micro-Optical Systems Technology IMOST on a Silicon Substrate”, First International Conference on Electronics, Communications and Photonics (SIECPC 2011), Riyadh, Saudi Arabia, 23rd - 26th April, 2011.
134- Diaa Khalil, Haitham Omran, Mostafa Medhat, and Bassam Saadany, “Miniaturized tunable integrated Mach-Zehnder MEMS interferometer for spectrometer applications”, Invited talk at SPIE Photonics West in San Francisco, California, USA, 23-28 January 2010.
135- Diaa Khalil, “The Si Optical Bench Technology: Challenges and Opportunities”, Invited talk at the 6th International Symposium on “High-capacity Optical Networks & Enabling Technologies” (HONET’09), Alexandria, Egypt, Dec. 2009.
136- Diaa Khalil, Hussein E. Kotb, and Khalid Hassan, “Laser Diode Parameter Extraction”, 1st International workshop of lasers and plasmas”, Cairo, Egypt, March 2008.
137- Diaa Khalil, “Optical MEMS for telecommunication Applications”, US-Africa Materials Workshop, Cairo, Egypt, 14-15 December 2004.
138- Diaa Khalil, “Recent trends in Optical MEMS for telecommunication applications”, the 4th workshop on photonics and its applications, Cairo, Egypt, May 4, 2004.
139- Diaa Khalil, “Advances in optical filters”, the 2nd workshop on teaching photonics at Egyptian engineering faculties and institutes, Proceedings, pp. 1-27, Cairo Egypt, 24 Oct. 2000.

Educational and Research Projects:
Reseasrch Projects:
2014/2016 Principle Investigator MEMS IR Gas Sensor RDI Program, EU-Egypt Innovation fund
2012/2014 Principle Investigator MEMS Based Ring Laser Gyroscope KACST + SWS
2014 Principle Investigator Ring Laser with MEMS Phase Modulation SWS
2012/ 2013 Principle Investigator MEMS Based Optical coherence Tomography OCT Module ITIDA – ITAC Program + NTRA
2009/2010 Principle Investigator Integrated High Resolution Optical MEMS Spectrometer RDI Program, EU-Egypt Innovation fund
2008/2009 Principle Investigator Miniaturized MEMS Spectrometer ITIDA –ITAC PDP Program
Ministry of Comm. Egypt
2008/2009 Researcher Optical Fiber sensor applications Egyptian Government
2006/2008 Principle Investigator Optical Add Drop Multiplxer OADM for CWDM systems - Ottawa University
- Ain Shams University
2006/2008 Researcher FM Response of Quantum well lasers - Ain Shams University
2005/2006 Principle Investigator Characterization of an IR Laser transmitter for a MILE system Si-Ware Systems Company (SWS)
2001/2003 Principal Investigator Strongly asymmetric vertical Multimode Interference MMI Structure Third world academy of science TWAS / ICTP
2000/2001 Principal Investigator Assembly and Packaging of micro-opto-electro-mechanical systems MOEMS - MEMScAP Egypt
- Ain Shams University ASU
1998/2000 Researcher Nano-structures a base de cristaux photoniques 1D et 2D pour circuits intègres photoniques Region Rhone Alpes /France
1998/1999 Researcher Ionic Exchange on glass for integrated optics fabrication - Ain Shams University
1996/1997 Principal Investigator Radiation mode effects in integrated optical structures Third world academy of science TWAS / ICTP
Educational projects:
2004/2006, Assistant Manager in the project : "Optical Communications and Optoelectronics Engineering Technology Education and consultation facility OCETEC HEEPF Grant B-040-G0
1996/1997, Monitor in the project: "International Bank project for the enhancement of Engineering Education in Egypt International Bank Loan
1994/1995, Member of the management teem in "NATOP, Network for Advanced training in Optoelectronic, Med Campus Program / EC Fund.
Consulting and Engineering Projects:
Granted Patents:

1- Diaa Khalil, Kareem Madkour, Bassam Saadany, Tarek Badreldin, and Philippe Helin, “Optical switching matrix and method of fabricating such a matrix”, US 6847756 B2, Jan. 25, 2005.
2- Bassam A. Saadany, Diaa A. Khalil, and Tarik E. Bourouina, “System, Method and Apparatus for a Micromachined Interferometer Using Optical Splitting”, US 7796267 B2, Sept. 2010 & US 8508745 B2, August 2013.
3- Diaa A. Khalil, Bassem Mortada, Mohamed Nabil, Mostafa Medhat, Bassam A. Saadany, “Compensated MEMS FTIR spectrometer architecture”, US 8531675 B2, Sept. 2013.
4- Diaa A. Khalil, and Hisham Haddara, “Ultra-wide angle MEMS scanner architecture”, US 8411340 B2, April 2013.
5- Mostafa Medhat, Bassam A. Saadany, Diaa A. M. Khalil, and Bassem Mortada, “Opto-mechanical optical path retardation multiplier for optical mems applications”, EP 2419770 B1, Mar. 2013.
6- Diaa A. Khalil and Bassam A. Saadany, “Interferometer with variable optical path length reference mirror using overlapping depth scan signals”, US 8792105 B2, July 2014.
7- Bassem Mortada, Diaa Khalil, and Bassam A. Saadany, “Spatial splitting-based optical mems interferometers”, US8922787 B2, July 2014.
8- Diaa Khalil, Ahmed Khaled Hassan Mohamed Salem, Ahmed Saeed Shebl, Marwan Alayed, Fahad Aljekhedab“, MEMS based ring laser gyroscope with reduced lock-in”, EP2761253 B1, 2015-09-09.


Some of the Published Patent Applications:

1- Mohamed A. Abdelalim, Hanan Anis, and Diaa Khalil, “All-gain guiding Yb-dobed femtosecond fiber laser”, US 20120033686 A1, Feb. 2012.
2- Yasser M. Sabry, Tarik Bourounia, Diaa Khalil and Bassam Saadany “Integrated monolithic optical bench containing 3-D curved optical elements and methods of its fabrication” U.S. 61549353 patent application.
3- Yasser M. Sabry, Diaa Khalil, Bassam Saadany and Tarik Bourounia “Aspherical optical surfaces and optical scanners” U.S. 61673663 patent application.
4- Yasser M. Sabry, Diaa Khalil and Bassam Saadany “Fourier transform micro spectrometer based on spatially-shifted interferogram bursts” U.S. 61710873 patent application.
5- Yasser M. Sabry, Diaa Khalil and Mohammed Sadek “Integrated apertured micromirror and applications thereof” U.S. 61803035 patent application.
6- Mohamed Yehia Shalaby, Kamal Mohammed Khalil, Abdelrahman Emad El-Deen Hussien, Diaa Khalil, Khaled Hassan, Faris Alarifi, Mohammed Al-Otaibi, “Ring mirror optical rotation sensor”, US20150070706, March 2015.
7- Yasser M. SABRY, Diaa Abdel Maged KHALIL, Mohamed Sadek, “Integrated apertured micromirror and applications thereof”, WO 2014153284 A9, 8 Jan 2015.

Supervised Thesis:

Other:
• From 2015, member in the ITU committee, in the Egyptian Academy of Scientific Research and Technology ASRT
• From 2013, member in the national radio science NRSC committee in Egypt, in the Egyptian ASRT.
• From 2009, member in the Council of Engineering Sciences in the Egyptian ASRT.
• From October 2004 to April 2008, Editorial Manager of the Scientific Bulletin of the Faculty of Engineering, Ain Shams University.
• Reviewer for many international journals as, Light Sience and applications (Nature Publishing Group), IEEE- PTL, IEEE-JLT, Optical Engineering, Applied Physics letters, Applied Optics, Chinese Optics letters,…etc.
• Member in the following professional societies: - Th
- The Institute of Electrical and Electronic Eng. IEEE, LEOS society (Senior Member)
- The International Society for Optical Engineering SPIE.
- The Optical Society of America OSA.
- The Egyptian Engineers Syndicate.