Amr M. E. Safwat

Professor at Electronics Engineering and Electrical Communications


Career Information

Professor at : 2013-09-23
Assistant Professor at : 2008-05-26
Teacher at : 2003-03-31
Teacher Assistant at : 1997-03-23
Demonstrator at : 1993-12-28

Academic Information


Brief

Amr M. E. Safwat received the B.Sc. and M.Sc. in electronics and electrical communication engineering from Ain Shams University in 1993 and 1997, respectively, the BSc in accounting from Ain Shams University in 1997, and the MSc and Ph.D. from University of Maryland at College Park in electrical engineering, in 2000 and 2001, respectively. From Aug. 2001 to Aug. 2002, he was with Cascade Microtech Inc. where he co-invented the RF infinity probes. In Aug. 2002, he joined the Electronics and Communication Engineering Department, Ain Shams University, where he is currently, full professor.

Prof. Safwat had held visiting professor positions at Otto-Von-Guericke University, Magdeburg, Germany (Sept. 04-Nov. 04), “Institut National Polytechnique de Grenoble”, Grenoble, France (Sept. 05-Nov. 05), and the Radio Laboratory and MilliLab, University of Aalto, Finland (Jul. 06-Jun. 07). He has 8 issued US patents, and 115 international journal and conference papers.

Prof. Safwat was a recipient of the Egyptian encouragement state prize for engineering sciences, in 2007 and 2014, and the first class medal of excellence from the president of Egypt in 2017. His research interests include metamaterial, microwave passive planar structures, and microwave photonics.

Awards

• First class medal of Excellence conferred by the President of Arab Republic of Egypt (2017)
• Egyptian state incentive award for engineering sciences (2014)
• Misr Elkheir scientific publication award for physical sciences (2013)
• Egyptian state incentive award for engineering sciences (2007)

Articles

1. M. H. A. Elsawaf and A. M. E. Safwat, "Single-ended-to-balanced rat-race coupler with wideband common-mode suppression," IEEE Transactions on Circuits and Systems II: Express Briefs, Vol. 69, No. 4, pp. 2036-2040, Apr. 2022
2. M. Elsawaf and A.M.E. Safwat, “Wideband high-CMRR fully differential couplers using multi-mode star-junction," IEEE Transactions on Microwave Theory and Techniques Vol. 69, No. 6, pp. 3015-3022, Jun. 2021.
3. M. Elsheikh, N. Ammar, and A.M.E. Safwat, "Analysis and design guidelines for wideband CRLH SRR-loaded coplanar waveguide," IEEE Transactions on Microwave Theory and Techniques Vol. 68, No. 7, pp. 2562-2570, Jul. 2020.
4. M. Elsheikh and A.M.E. Safwat, "Geometrical modeling of strip-loaded CPW and its application to air-bridge free all CPW Wilkinson power dividers," IEEE Transactions on Microwave Theory and Techniques Vol. 67, No. 8, pp. 3370-3376, Aug. 2019.
5. M. Elsheikh, A.M.E. Safwat, and H. ElHennawy, "High-Efficiency AMC loaded dipole above FR4 substrate," EuMA International Journal of Microwave and Wireless Technologies, Vol. 11, No. 4, pp. 401-407, May 2019.
6. M. Elsheikh and A.M.E. Safwat, "Wide-band modeling of SRR-loaded coplanar waveguide," IEEE Transactions on Microwave Theory and Techniques, Vol. 67, No. 3, pp. 851-860, Mar. 2019.
7. A. Nasr and A.M.E. Safwat, "Tightly coupled directional coupler using slotted-microstrip line," IEEE Transactions on Microwave Theory and Techniques, Vol. 66, No. 10, pp. 4462-4470, Oct. 2018
8. M. Mostafa, T. Abuelfadl, and A.M.E. Safwat, “AMC loaded folded dipole with heart-shaped radiation pattern,” Electronics Letters, Vol. 54, No. 18, pp. 1061 – 1062, Sep. 2018.
9. A.M.E. Safwat, T. Abuelfadl, A. Mahmoud, and H. Elhennawy, “A glimpse of the microwave education and research activities in Egypt,” IEEE Microwave Magazine, Vol. 19, No. 3, pp. 120-124, April 2018. (invited paper).
10. M.I. Ibrahim, M.G. Ahmed, M. El-Nozahy, A.M.E. Safwat, and H. Elhennawy “Design and performance analysis of a miniature, dual-frequency, millimeter wave linear phased array antenna,” IEEE Transactions on Antennas and Propagation, Vol. 65, No. 12, pp. 7029-7037, Dec. 2017.
11. A. Nasr and A.M.E. Safwat, "Multimode coplanar waveguide cross-junction: Equivalent circuit model and air-bridge free applications," IEEE Transactions on Microwave Theory and Techniques, Vol. 65, No. 10, pp. 3753-3760, Oct. 2017.
12. Islam A. Mashaly, Khaled Nassar, Sally I. El-Henawy, Mohamed W. N. Mohamed, Ola Galal, Ali Darwish, Osama N. Hassan, and Amr M. E. Safwat, “A prismatic daylight redirecting fenestration system for southern skies,” Renewable Energy, Vol. 109, pp. 202-212, 2017.
13. S. ElHenawy, A. Omar, A.M.E. Safwat, and H. Elhennawy, “Multi-band CRLH loaded patch antenna,” Applied Physics A, Vol. 123, No. 1, Jan. 2017.
14. S. Nahar, M. Shafee, S. Blin, A. Pénarier, P. Nouvel, D. Coquillat, A.M.E. Safwat, W. Knap and M. M. Hella, “Wide modulation bandwidth terahertz detection in 130 nm CMOS Technology”, The European Physical Journal Applied Physics, Vol. 76, No. 2, Oct. 2016.
15. D. Elsheakh and A.M.E. Safwat, “Compact 3D USB dongle monopole antenna for mobile wireless communication bands”, EuMA International Journal of Microwave and Wireless Technologies, Vol. 6, No. 6, pp. 639 - 644, Dec. 2014.
16. D. Elsheakh and A.M.E. Safwat, “Slow-wave quad-band printed inverted-F antenna (IFA)”, IEEE Transactions on Antennas and Propagation, Vol. 62, No. 8, pp. 4396-4401, Aug. 2014.
17. S.I. El-Henawy, M.W.N. Mohamed, I.A. Mashaly, O. N. Mohamed, O. Galal, I. Taha, K. Nassar, and A.M.E. Safwat, “Illumination of dense urban areas by light redirecting panels”, Optics Express, Vol. 22, Issue S3, pp. A895-A907, 2014.
18. M. Ibrahim and A.M.E. Safwat, “Metamaterial inspired penta-band monopole antenna,” IEEE Antennas and Wireless Propagation Letters, Vol. 12, pp. 1684-1687, 2013.
19. A. R. Raslan, and A.M.E. Safwat, “N-Internal port design for wide band electrically small antennas with application for UHF band,” IEEE Transactions on Antennas and Propagation, Vol. 61, No. 9, pp. 4431-4437, Sept. 2013.
20. A.M.E. Safwat, A.A. Ibrahim, M. Othman, M. Shafee and T. M. Abuelfadl, “Stub based Equivalent circuit models for even/odd mode dual CRLH unit cells,” Progress in Electromagnetic Research PIER M, Vol. 30, pp. 195-209, 2013.
21. M. Othman, T. Abuelfadl, and A. M. E. Safwat, “Dual and wide-band inductively-loaded dipole-based antennas for WLAN/UMTS Applications,” IEEE Transactions on Antennas and Propagation, Vol. 61, No. 3, pp. 1430-1435, Mar. 2013.
22. A. R. Raslan, A. A. Ibrahim and A.M.E. Safwat, “Resonant type antennas loaded with CRLH unit cell,” IEEE Antennas and Wireless Propagation Letters, Vol. 12, pp. 23-26, 2013.
23. M. Othman, T. Abuelfadl, and A.M.E. Safwat, “Dual-band low-profile stripline-fed Z-antenna,” Microwave and Optical Technology Letters, Vol. 55, No. 2, pp. 286-290, Feb. 2013.
24. A.A. Ibrahim, A.M.E. Safwat, and H. El-Hennawy, “All planar compact size microstrip CRLH arbitrary Coupling directional coupler,” Microwave and Optical Technology Letters, Vol. 55, No. 1, pp. 115-119, Jan. 2013.
25. A.M.E. Safwat, “Letter-Shaped Microstrip Ground Slots”, EuMA International Journal of Microwave and Wireless Technologies, Vol. 4, No. 5, pp. 523–528, 2012.
26. A. A. Ibrahim and A.M.E. Safwat, “Microstrip-Fed Monopole Antennas Loaded with CRLH Unit Cells,” IEEE Transactions on Antennas and Propagation, Vol. 60, No. 9, pp. 4027-4036, Sept. 2012.
27. D. Elsheakh, and A.M.E. Safwat, “Meander-line loaded planar monopole antennas,” Microwave and Optical Technology Letters, Vol. 54, No. 8, pp. 1851-1854, Aug. 2012.
28. A. Alwakil, and A.M.E. Safwat, “Left-handed behavior of coplanar waveguide open-circuited shunt stub,” IEEE Microwave and Wireless Components letters, Vol. 22, No. 6, pp. 306-308, June 2012.
29. A. Alwakil, and A.M.E. Safwat, “Simple CAD model for direct coupled double split ring resonators,” IET Electronics letters, Vol. 48, No. 10, pp. 580-581, May 2012.
30. A. A. Ibrahim, A.M.E. Safwat, and H. El-Hennawy, “'Uniplanar bridgeless CPW-to-Slotline transition and its application to CPW balun,” IET Electronics letters, Vol. 48, No. 8, pp. 443-444, April 2012
31. M. Abdel Aziz, F. Podevin, A.M.E. Safwat, A. Vilcot and P. Ferrari, “Slow-wave high-Q coplanar striplines in CMOS technology and their RLCG model,” Microwave and Optical Technology Letters, Vol. 54, No. 2, pp. 650-654, Mar. 2012
32. A.M.E. Safwat, and A. Alwakil “Composite right/left-handed coplanar waveguide feeding array of slot antennas,” Microwave and Optical Technology Letters, Vol. 54, No. 1, pp. 103-107, Jan. 2012.
33. A. A. Ibrahim, A.M.E. Safwat and H. El-Hennawy, “Triple-band microstrip monopole antenna loaded with CRLH unit cell,” IEEE Antennas and Wireless Propagation Letters, Vol. 10, pp. 1547-1550, Dec. 2011.
34. D. Elsheakh, and A.M.E. Safwat, “Ultra-Broad and Multi- Band 3D-Monopole Antennas,” Microwave and Optical Technology Letters, Vol. 53, No. 12, pp. 2843-2846, Dec. 2011.
35. A.M.E. Safwat, "Dual mode composite right-left handed unit cells" Applied Physics A, Materials Science & Processing Vol. 103, pp. 537–540, 2011.
36. A.M.E. Safwat and T.M. Abuelfadl, “Coupled lines from filter to composite right/left handed-cells,” Progress in Electromagnetic Research PIER B, Vol. 26, pp. 451-469, 2010
37. M. Shafee, A.M. Mahmoud, and A.M.E. Safwat, “Theory and applications of high impedance wires,” Progress in Electromagnetic Research PIER C, Vol. 17, pp. 67-78, 2010
38. A. Fouda, A.M.E. Safwat and H. El-Hennawy, “On the applications of the coupled line composite right/left-handed unit cell,” IEEE Transactions on Microwave Theory and Techniques (T-MTT), Vol. 58, No. 6 , pp. 1584-1591, Jun. 2010.
39. A.M.E. Safwat, “High impedance wire composite right/left-handed transmission lines,” Microwave and Optical Technology Letters, Vol. 52, No. 6 , pp. 1390-1393, Jun. 2010.
40. M. Abdel Aziz, A.M.E. Safwat, F. Podevin, and A. Vilcot, “Coplanar waveguide filters based on multi-behavior etched-ground stubs,” IEEE Transactions on Components and Packaging Technologies, Vol. 32, No. 4, pp. 816 – 824, Dec. 2009.
41. A.M.E. Safwat, “Microstrip coupled line composite right/left-handed unit cell,” IEEE Microwave and Wireless Components letters, Vol. 19, No. 7, pp. 434 – 436, July 2009.
42. A.M. Mahmoud, M.A. Wahby, and A.M.E. Safwat, “Microstrip balun over high impedance wire-ground,” IEEE Microwave and Wireless Components letters, Vol. 19, No. 7, pp. 443 – 445, July 2009.
43. A.M.E. Safwat, S. Tretyakov, A. Raisanen, “Defected-ground and patch-loaded planar transmission lines,” IET Proceedings, Microwaves, Antennas and Propagation, Vol. 3, No. 2, pp. 195 – 204, Mar. 2009.
44. H.E. Kotb , A.M.E. Safwat, H. Boghdady , and D.A.M. 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, Feb. 2009.
45. M. Abdel Aziz, H. Issa, D. Kaddour, F. Podevin, A.M.E. Safwat, E. Pistono, J.-M. Duchamp, A. Vilcot and P. Ferrari, “Shielded coplanar striplines for RF integrated applications,” Microwave and Optical Technology Letters, Vol. 51, No. 2 , pp. 352 – 358, Feb. 2009.
46. A.M.E. Safwat, S. Tretyakov, A. Raisanen, “High impedance wire,” IEEE Antennas and Wireless Propagation Letters, Vol. 6, pp. 631 – 634, Dec. 2007.
47. M. A. Salah-Eddin and A.M.E. Safwat, “Defected-ground coupled microstrip lines and its application in wideband balun,” IET Proceedings, Microwaves, Antennas and Propagation, Vol. 1, No. 4, pp. 893 – 899, Aug. 2007.
48. M. A. Salah-Eddin and A.M.E. Safwat, “Defected-ground coupled microstrip lines bandpass filter with suppressed spurious resonances,” Microwave and Optical Technology Letters, Vol. 49, No. 8 , pp. 2038 – 2039, Aug. 2007.
49. A.M.E. Safwat, S. Tretyakov, A. Raisanen, “Dual bandstop resonator using combined split ring resonator and defected ground structure,” Microwave and Optical Technology Letters, Vol. 49, No. 6, pp. 1249-1253, June 2007.
50. M. El Khaldi, F. Podevin, O. Exshaw, A. Vilcot, and A.M.E. Safwat, “Improvement of performance of optically controlled microstrip phase shifters,” IET Proceedings, Microwaves, Antennas and Propagation, Vol. 1, No. 2, pp. 427-432, April 2007.
51. M.H. Awida, A. Balalem, A.M.E. Safwat, H. El-Hennawy, and A. S. Omar, “Combined lowpass-bandpass filter response using different shapes of microstrip dual-mode resonators,” Proceedings of the European Microwave Association, Vol. 2, pp. 326-332, Dec. 2006.
52. A.M.E. Safwat, F. Podevin, P. Ferrari, and A. Vilcot, “Tunable band-stop defected ground structure resonator using reconfigurable dumbbell shaped coplanar waveguide,” IEEE Transactions on Microwave Theory and Techniques (T-MTT), Vol. 54, No. 9, pp. 3559-3564, Sept. 2006.
53. E.K.I. Hamad, A.M.E. Safwat and A. Omar, “A MEMS reconfigurable DGS resonator for K-band applications,” IEEE Journal of Microelectromechanical Systems (J-MEMS), Vol. 15, No. 6, pp. 756-762, Aug. 2006.
54. M.H. Awida, A.M.E. Safwat and H. El-Hennawy, “Miniaturized dual-mode microstrip bandpass filters using meander space filling curves,” Proceedings of the European Microwave Association, Vol. 2, pp. 187-192, June 2006.
55. M.H. Awida, A.M.E. Safwat and H. El-Hennawy, “Compact rat-race hybrid coupler using meander space filling curves,” Microwave and Optical Technology Letters, Vol. 48, No. 3, pp. 606-609, Mar. 2006.
56. E.K.I. Hamad, A.Z. Elsherbeni, A.M.E. Safwat and A. Omar, “Two-dimensional coupled electrostatic-mechanical model for RF MEMS switches,” Journal of Applied Computational Electromagnetics Society (ACES), Vol. 21, No. 1, pp. 26-36, March 2006.
57. M.H. Awida, A.M.E. Safwat and H. El-Hennawy, “Dual-mode microstrip bandpass filter using a ring of arrows resonator,” IEE Electronics Letters, Vol. 41, No. 24, pp. 1335-1336, Nov. 2005.
58. E.K.I. Hamad, A.M.E. Safwat and A. Omar, “Controlled capacitance and inductance behavior of L-shaped defected ground structure for coplanar waveguide,” IEE Proceedings, Microwaves, Antennas and Propagation, Vol. 152, No. 5, pp. 299-304, Oct. 2005.
59. A.M.E. Safwat, “Study of microstrip mode in RF on-wafer probes,” Microwave and Optical Technology Letters, Vol. 45, No. 2, pp. 324-328, May 2005.
60. A.M.E. Safwat, J. Kim, B. Walker, W. Johnson and C. Lee, "1.55 m surface illuminated monolithically integrated balanced metal semiconductor metal photodetectors and coplanar waveguide,” Microwave and Optical Technology Letters, Vol. 34, No. 2, pp. 125-130, July 2002.
61. A.M.E. Safwat, K. A. Zaki, W. Johnson, C. H. Lee, “Novel transition between different configurations of planar transmission lines,” IEEE Microwave and Wireless Components letters, Vol. 12, No. 4, pp. 128-130, April 2002.
62. A.M.E. Safwat, K. A. Zaki, W. Johnson, C.H. Lee, “Mode-matching analysis of conductor backed coplanar waveguide with surface etching,” Journal of Electromagnetic Waves and Applications, Vol. 15, No. 5, pp. 627-641, 2001.
63. A.M.E. Safwat, C. K. Lin, J. Kim, F. Johnson, W. Johnson, N. Goldsman, C. Lee, “Investigation of the optical spot position on the performance of MSM structures: novel application,” Solid State Electronics, Vol. 44, No. 11, pp. 2077-2080, Nov. 2000.
64. A.M.E. Safwat, D.A. Khalil, H. Elhennawy 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, Aug. 97.
65. D.A. Khalil and A.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, Aug. 97.
66. A.M.E. Safwat, J. Haider, D. Khalil, S. Tedjini, A. Vilcot, H. Elhennawy and H. Ragaie, "An optically controlled matching technique," Microwave and Optical Technology letters, Vol. 11, No. 5, pp.284-289, April 96.

Publications

  1. Mona M. K. Khodry, Mirna M. H. Soliman, Ahmed M. Mahmoud, Amr M. E. Safwat, " Cross-Junction Based Metasurface for Wideband 90° Polarization Rotation ", IEEE Transactions on Antennas and Propagation, 2022
  2. Mohamed. H. A. Elsawaf, Amr M. E. Safwat, " Single-Ended-to-Balanced Rat-Race Coupler With Wideband Common-Mode Suppression ", IEEE Transactions on Circuits and Systems II: Express Briefs, 2022
  3. Mohamed H. A. Elsawaf, Amr M. E. Safwat, " Wideband High-CMRR Fully Differential Couplers Using Multimode Star-Junction ", IEEE Transactions on Microwave Theory and Techniques, 2021
  4. Mohamed A. G. Elsheikh, Nancy Y. Ammar, Amr M. E. Safwat, " Analysis and Design Guidelines for Wideband CRLH SRR-loaded Coplanar Waveguide ", IEEE Transactions on Microwave Theory and Techniques, 2020
  5. Mohamed A. G. Elsheikh, Amr M. E. Safwat, " Geometrical Modeling of Strip-Loaded CPW and Its Application to All CPW Air-Bridge Free Wilkinson Power Dividers ", IEEE Transactions on Microwave Theory and Techniques, 2019
  6. Elsheikh, M.A.G., Safwat, A.M.E., Elhennawy, H., " High-efficiency AMC loaded dipole above FR4 substrate ", International Journal of Microwave and Wireless Technologies, 2019
  7. Mohamed A. G. Elsheikh, Amr M. E. Safwat, " Wideband Modeling of SRR-Loaded Coplanar Waveguide ", IEEE Transactions on Microwave Theory and Techniques, 2019
  8. Abdelhamid M. H. Nasr, Amr M. E. Safwat, " Tightly Coupled Directional Coupler Using Slotted-Microstrip Line ", IEEE Transactions on Microwave Theory and Techniques, 2018
  9. M.M. Mostafa, T.M. Abuelfadl, A.M.E. Safwat, " AMC loaded folded dipole with heart‐shaped radiation pattern ", Electronics Letters, 2018
  10. Safwat, A.M.E., Abuelfadl, T.M., Mahmoud, A.M., Elhennawy, H., " A Glimpse of Microwave Education and Research Activities in Egypt [Around the Globe] ", IEEE Microwave Magazine, 2018
  11. Ibrahim, M.I., Ahmed, M.G., El-Nozahi, M., Safwat, A.M.E., El-Hennawy, H., " Design and Performance Analysis of a Miniature, Dual-Frequency, Millimeter Wave Linear Phased Array Antenna ", IEEE Transactions on Antennas and Propagation, 2017
  12. Abdelhamid M. H. Nasr, Amr M. E. Safwat, " Multimode Coplanar Waveguide Cross-Junction: Equivalent Circuit Model and Air-Bridge Free Applications ", IEEE Transactions on Microwave Theory and Techniques, 2017
  13. Nasr, A.M.H., Safwat, A.M.E., " A novel Wilkinson power divider based on slotted microstrip cross - Junction ", IEEE MTT-S International Microwave Symposium Digest, 2017
  14. Mashaly, I.A., Nassar, K., El-Henawy, S.I., Mohamed, M.W.N., Galal, O., Darwish, A., Hassan, O.N., Safwat, A.M.E., " A prismatic daylight redirecting fenestration system for southern skies ", Renewable Energy, 2017
  15. El-Henawy, S.I., Omar, A.A., Safwat, A.M.E., El-Hennawy, H.S., " Multi-band CRLH unit cell-loaded patch antenna ", Applied Physics A: Materials Science and Processing, 2017
  16. Nasr, A.M.H., Safwat, A.M.E., Elhennawy, H., " Via-free microstrip to slotline baluns using slotted microstrip cross-junction ", European Microwave Week 2017: "A Prime Year for a Prime Event", EuMW 2017 - Conference Proceedings; 47th European Microwave Conference, EuMC 2017, 2017
  17. Mostafa, M.M., Ibrahim, M.I., Safwat, A.M.E., Abuelfadl, T.M., " An optically transparent wideband high impedance surface ", European Microwave Week 2016: "Microwaves Everywhere", EuMW 2016 - Conference Proceedings; 46th European Microwave Conference, EuMC 2016, 2016
  18. El-Henawy, S.I., Safwat, A.M.E., EL-Hennawy, H.S., " Reconfigurable pattern beam steering loop antenna ", 2016 IEEE Middle East Conference on Antennas and Propagation, MECAP 2016, 2016
  19. Ibrahim, M.I., Safwat, A.M.E., El-Hennawy, H., " Single/dual-band CSRR-loaded differential-fed square patch antenna with monopolar radiation pattern ", National Radio Science Conference, NRSC, Proceedings, 2016
  20. Nahar, S., Shafee, M., Blin, S., Pénarier, A., Nouvel, P., Coquillat, D., Safwa, A.M.E., Knap, W., Hella, M.M., " Wide modulation bandwidth terahertz detection in 130 nm CMOS technology ", EPJ Applied Physics, 2016
  21. Nasr, A.M.H., Safwat, A.M.E., " Air-bridge free coplanar waveguide power divider ", European Microwave Week 2015: "Freedom Through Microwaves", EuMW 2015 - Conference Proceedings; 2015 45th European Microwave Conference Proceedings, EuMC, 2015
  22. Dalia M. Elsheakh, Amr M.E. Safwat, " Compact 3D USB dongle monopole antenna for mobile wireless communication bands ", International Journal of Microwave and Wireless Technologies, 2014
  23. Ibrahim, M.I., El-Henawy, S.I., Safwat, A.M.E., " 60 GHz Artificial Magnetic Conductor loaded dipole antenna in 65 nm CMOS technology ", European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference, 2014
  24. El-Henawy, S.I., Mohamed, M.W.N., Mashaly, I.A., Mohamed, O.N., Galal, O., Taha, I., Nassar, K., Safwat, A.M.E., " Illumination of dense urban areas by light redirecting panels ", Optics Express, 2014
  25. Mohamed, M.W.N., Mashaly, I.A., Mohamed, O.N., El-Henawy, S.I., Galal, O., Taha, I., Nassar, K., Safwat, A.M.E., " Light redirecting system using sine-wave based panels for dense urban areas ", Proceedings of SPIE - The International Society for Optical Engineering, 2014
  26. Elsheakh, D.M., Safwat, A.M.E., " Slow-wave quad-band printed inverted-F antenna (IFA) ", IEEE Transactions on Antennas and Propagation, 2014
  27. Shafee, M., Nahar, S., Safwat, A.M.E., El-Hennawy, H., Hella, M.M., " Stacked resonator patch antenna for wide bandwidth THz detection ", Proceedings - IEEE International Conference on Ultra-Wideband, 2014
  28. Safwat, A.M.E., Eshrah, I.A., Abuelfadl, T.M., El-Hennawy, H., " University research on antenna design and scattering problems in Egypt ", European Microwave Week 2014: "Connecting the Future", EuMW 2014 - Conference Proceedings; EuRAD 2014: 11th European Radar Conference, 2014
  29. Safwat, A.M.E., Eshrah, I.A., Abuelfadl, T.M., El-Hennawy, H., " University research on antenna design and scattering problems in Egypt ", European Microwave Week 2014: Connecting the Future, EuMW 2014 - Conference Proceedings; EuMC 2014: 44th European Microwave Conference, 2014
  30. Ibrahim, A.A., Safwat, A.M.E., El-Hennawy, H., " All planar compact size microstrip CRLH arbitrary coupling directional coupler ", Microwave and Optical Technology Letters, 2013
  31. Othman, M.A., Abuelfadl, T.M., Safwat, A.M.E., " Dual and wide-band inductively-loaded dipole-based antennas for WLAN/UMTS applications ", IEEE Transactions on Antennas and Propagation, 2013
  32. Othman, M.A., Abuelfadl, T.M., Safwat, A.M.E., " Dual-band low-profile stripline-fed Z-antenna ", Microwave and Optical Technology Letters, 2013
  33. Ibrahim, M.I., El-Henawy, S.I., Safwat, A.M.E., " Dual-band orthogonal-beam multi-standard CRLH loop antenna ", European Microwave Week 2013, EuMW 2013 - Conference Proceedings; EuMC 2013: 43rd European Microwave Conference, 2013
  34. Ibrahim, M.I., Safwat, A.M.E., " Metamaterial-inspired pentaband monopole Antenna ", IEEE Antennas and Wireless Propagation Letters, 2013
  35. Raslan, A.R., Safwat, A.M.E., " N-internal port design for wide band electrically small antennas with application for UHF band ", IEEE Transactions on Antennas and Propagation, 2013
  36. Raslan, A.R., Ibrahim, A.A., Safwat, A.M.E., " Resonant-type antennas loaded with CRLH unit cell ", IEEE Antennas and Wireless Propagation Letters, 2013
  37. Safwat, A.M.E., Ibrahim, A.A., Othman, M.A., Shafee, M., Abuelfadl, T.M., " Stub based equivalent circuit models for even/odd mode dual CRLH unit cells ", Progress In Electromagnetics Research M, 2013
  38. Safwat, A.M.E., Alwakil, A.D., " Composite right/left-handed coplanar waveguide feeding array of slot antennas ", Microwave and Optical Technology Letters, 2012
  39. Othman, M.A., Abuelfadl, T.M., Safwat, A.M.E., " Dual-band inductively-loaded miniaturized antenna ", IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 2012
  40. Alwakil, A.D., Safwat, A.M.E., " Left-handed behavior of coplanar waveguide open-circuited shunt stub ", IEEE Microwave and Wireless Components Letters, 2012
  41. Safwat, A.M.E., " Letter-shaped microstrip ground slots ", International Journal of Microwave and Wireless Technologies, 2012
  42. Elsheakh, D.M., Safwat, A.M.E., " Meander line-loaded planar monopole antennas ", Microwave and Optical Technology Letters, 2012
  43. Ibrahim, A.A., Safwat, A.M.E., " Microstrip-fed monopole antennas loaded with CRLH unit cells ", IEEE Transactions on Antennas and Propagation, 2012
  44. El-Sheakh, D.M., Safwat, A.M.E., " Multi-band CPW-fed printed IFA ", IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 2012
  45. Othman, M.A., Alwakil, A.D., Shafee, M., Abuelfadl, T.M., Safwat, A.M.E., " Novel even/odd mode-based CRLH unit cells ", IEEE MTT-S International Microwave Symposium Digest, 2012
  46. Alwakil, A.D., Safwat, A.M.E., " Simple CAD model for direct coupled double split ring resonators ", Electronics Letters, 2012
  47. Aziz, M.A., Podevin, F., Safwat, A.M.E., Vilcot, A., Ferrari, P., " Slow-wave high-Q coplanar striplines in CMOS technology and their RLCG model ", Microwave and Optical Technology Letters, 2012
  48. Ibrahim, A.A., Safwat, A.M.E., El-Hennawy, H., " Uniplanar bridgeless CPW-to-slotline transition and its application to CPW balun ", Electronics Letters, 2012
  49. Safwat, A.M.E., " Dual mode composite right-left-handed unit cells ", Applied Physics A: Materials Science and Processing, 2011
  50. Ibrahim, A.A., Safwat, A.M.E., El-Hennawy, H., " Triple-band microstrip-fed monopole antenna loaded with CRLH unit cell ", IEEE Antennas and Wireless Propagation Letters, 2011
  51. Elsheakh, D.M., Safwat, A.M.E., " Ultra-broad and multiband 3D-monopole antennas ", Microwave and Optical Technology Letters, 2011
  52. Safwat, A.M.E., Eshrah, I.A., Abuelfadl, T.M., Darwish, A., " University research on composite right/left handed guided wave structures in Egypt ", IEEE MTT-S International Microwave Symposium Digest, 2011
  53. Alwakil, A.D., Ezzat, A.N., Safwat, A.M.E., " Compact size coupled line CRLH unit cell ", MECAP'10, 1st Middle East Conference on Antennas and Propagation, 2010
  54. Safwat, A.M.E., Abuelfadl, T.M., " Coupled lines from filter to composite right/left handed-cells ", Progress In Electromagnetics Research B, 2010
  55. Safwat, A.M.E., " High impedance wire composite right/left-handed transmission lines ", Microwave and Optical Technology Letters, 2010
  56. Fouda, A.E., Safwat, A.M.E., El-Hennawy, H., " On the applications of the coupled-line composite right/left-handed unit cell ", IEEE Transactions on Microwave Theory and Techniques, 2010
  57. Anous, N., Khalil, D., Safwat, A.M.E., " The effect of Gaussian beam spot size on the performance of an SPR IR optical CO<inf>2</inf> sensor ", 7th International Symposium on High-Capacity Optical Networks and Enabling Technologies, HONET 2010, 2010
  58. Shafee, M., Mahmoud, A.M., Safwat, A.M.E., " Theory and applications of high impedance wires ", Progress In Electromagnetics Research C, 2010
  59. Aziz, M.A., Safwat, A.M.E., Podevin, F., Vilcot, A., " Coplanar waveguide filters based on multibehavior etched-ground stubs ", IEEE Transactions on Components and Packaging Technologies, 2009
  60. Safwat, A.M.E., Tretyakov, S., Räisänen, A.V., " Defected ground and patch-loaded planar transmission lines ", IET Microwaves, Antennas and Propagation, 2009
  61. Shafee, M.A.M., Safwat, A.M.E., " High impedance wire patch antenna ", European Microwave Week 2009, EuMW 2009: Science, Progress and Quality at Radiofrequencies, Conference Proceedings - 39th European Microwave Conference, EuMC 2009, 2009
  62. Mahmoud, A.M., Wahby, M.A., Safwat, A.M.E., " Microstrip balun over high impedance wire-ground ", IEEE Microwave and Wireless Components Letters, 2009
  63. Safwat, A.M.E., " Microstrip coupled line composite right/left-handed unit cell ", IEEE Microwave and Wireless Components Letters, 2009
  64. Shafee, M.A.M., Safwat, A.M.E., Morshed, A.H., " On the applications of high impedance wire ", European Microwave Week 2009, EuMW 2009: Science, Progress and Quality at Radiofrequencies, Conference Proceedings - 39th European Microwave Conference, EuMC 2009, 2009
  65. Sabry, Y., Medhat, M., Saadany, B., Safwat, A., Khalil, D., " Optical characterization technique for MEMS comb-drive resonators ", 2009 IEEE/LEOS International Conference on Optical MEMS and Nanophotonics, OPTMEMS 2009, 2009
  66. Kotb, H.E., Safwat, A.M.E., Boghdady, H., Khalil, D.A.M., " RF optoelectronic oscillator using a directly modulated semiconductor laser and a fiber optical ring filter ", Microwave and Optical Technology Letters, 2009
  67. Abdel Aziz, M., Issa, H., Kaddour, D., Podevin, F., Safwat, A.M.E., Pistono, E., Duchamp, J.-M., Vilcot, A., Fournier, J.-M., Ferrari, P., " Shielded coplanar striplines for RF integrated applications ", Microwave and Optical Technology Letters, 2009
  68. Kiuru, T., Safwat, A.M.E., Mallat, J., Räisänen, A.V., " Gunn oscillator modeling and second harmonic output power optimization at 76 GHz ", IEEE MTT-S International Microwave Symposium Digest, 2008
  69. El-Damak, A.R., Safwat, A.M.E., Tretyakov, S.A., El-Hennawy, H.S., " Patch antenna on a high impedance wire ", Proceedings of the 38th European Microwave Conference, EuMC 2008, 2008
  70. Salah-Eddin, M.A., Safwat, A.M.E., " Defected-ground coupled microstrip lines and its application in wideband baluns ", IET Microwaves, Antennas and Propagation, 2007
  71. Salah-Eddin, M.A., Safwat, A.M.E., " Defected-ground coupled microstrip lines bandpass filter with suppressed spurious resonances ", Microwave and Optical Technology Letters, 2007
  72. Safwat, A.M.E., Tretyakov, S., Räisänen, A., " Dual bandstop resonator using combined split ring resonator and defected ground structure ", Microwave and Optical Technology Letters, 2007
  73. Safwat, A.M.E., Tretyakov, S.A., Räisänen, A.V., " High-impedance wire ", IEEE Antennas and Wireless Propagation Letters, 2007
  74. El Khaldi, M., Podevin, F., Exshaw, O., Vilcot, A., Safwat, A.M.E., " Improvement of performance of optically controlled microstrip phase shifters ", IET Microwaves, Antennas and Propagation, 2007
  75. Awida, M., Boutejdar, A., Safwat, A., El-Hennawy, H., Omar, A., " Multi-bandpass filters using multi-armed open loop resonators with direct feed ", IEEE MTT-S International Microwave Symposium Digest, 2007
  76. Abdelaziz, M., Safwat, A.M.E., Podevin, F., Vilcot, A., " Narrow bandpass filter based on the modified DGS ", Proceedings of the 37th European Microwave Conference, EUMC, 2007
  77. Hamad, E.K.I., Safwat, A.M.E., Omar, A.S., " A MEMS reconfigurable DGS resonator for K-band applications ", Journal of Microelectromechanical Systems, 2006
  78. Awida, M., Balaiem, A., Safwat, A., El-Hennawy, H., Omar, A., " Combined low-pass and bandpass filter response using microstrip dual-mode resonators ", IEEE MTT-S International Microwave Symposium Digest, 2006
  79. Awida, M.H., Safwat, A.M.E., El-Hennawy, H., " Compact rat-race hybrid coupler using meander space-filling curves ", Microwave and Optical Technology Letters, 2006
  80. Safwat, A.M.E., Podevin, F., Ferrari, P., Vilcot, A., " Tunable bandstop defected ground structure resonator using reconfigurable dumbbell-shaped coplanar waveguide ", IEEE Transactions on Microwave Theory and Techniques, 2006
  81. Kotb, H.E., Safwat, A.E., Boghdady, H., Khalil, D., " Tuning of an RF optoelectronic oscillator ", 2006 International Topical Meeting on Microwave Photonics, MWP, 2006
  82. Hamad, E.K.I., Elsherbeni, A.Z., Safwat, A.M.E., Omar, A.S., " Two-dimensional coupled electrostatic-mechanical model for RF MEMS switches ", Applied Computational Electromagnetics Society Journal, 2006
  83. Hamad, E.K.I., Safwat, A.M.E., Omar, A.S., " 2D coupled electrostatic-mechanical model for shunt-capacitive MEMS switch based on matlab program ", 2005 IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics, 2005
  84. Hamad, E.K.I., Safwat, A.M.E., Omar, A.S., " Controlled capacitance and inductance behaviour of L-shaped defected ground structure for coplanar waveguide ", IEE Proceedings: Microwaves, Antennas and Propagation, 2005
  85. Awida, M.H., Safwat, A.M.E., El-Hennawy, H., " Dual-mode microstrip bandpass filter using ring of arrows resonator ", Electronics Letters, 2005
  86. Hamad, E.K.I., Safwat, A.M.E., Omar, A.S., " L-shaped defected ground structure for coplanar waveguide ", IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), 2005
  87. Safwat, A.M.E., " Study of microstrip mode in RF on-wafer probes ", Microwave and Optical Technology Letters, 2005
  88. El-Din, M.A.S., Safwat, A.M.E., Ragaie, H.F., Haddara, H., " Design equations for the on-state capacitance of the RF MEMS shunt switch ", National Radio Science Conference, NRSC, Proceedings, 2004
  89. Galal, O.M., Safwat, A.M.E., El-Hennawy, H.M., " On the improvement of planar multisection balun ", National Radio Science Conference, NRSC, Proceedings, 2004
  90. Safwat, A.M.E., Kim, J., Johnson, W., Walker, B., Lee, C.H., " 1.55-μm surface-illuminated monolithically integrated balanced metal-semiconductor-metal photodetectors and coplanar waveguide ", Microwave and Optical Technology Letters, 2002
  91. SafWat, A.M.E., Andrews, M., Hayden, L., Gleason, K.R., Strid, E., " A probe technology for 110+ ghz integrated circuits with aluminum pads ", 59th ARFTG Conference Digest Spring 2002: Test, Measurement, and Characterization of High Speed Digital Components and Systems, ARFTG Spring 2002, 2002
  92. Safwat, A.M.E., Zaki, K.A., Johnson, W., Lee, C.H., " Novel transition between different configurations of planar transmission lines ", IEEE Microwave and Wireless Components Letters, 2002
  93. Safwat, A.M.E., Hayden, L., " Sensitivity analysis of calibration standards for fixed probe spacing on-wafer calibration techniques ", IEEE MTT-S International Microwave Symposium Digest, 2002
  94. Safwat, A.M.E., Kim, J., Johnson, W., Walker, B., Lee, C.H., " 1.55 μm surface excited monolithically integrated balanced metal-semiconductor-metal photodetectors and coplanar waveguide ", 2001 International Topical Meeting on Microwave Photonics, MWP 2001, 2001
  95. Safwat, A.M.E., Zaki, K.A., Johnson, W., Lee, C.H., " Mode-matching analysis of conductor backed coplanar waveguide with surface etching ", Journal of Electromagnetic Waves and Applications, 2001
  96. Safwat, A.M.E., Zaki, K.A., Johnson, W., Lee, C.H., " Novel design for coplanar waveguide to microstrip transition ", IEEE MTT-S International Microwave Symposium Digest, 2001
  97. Safwat, A.M.E., Hayden, L., " Sensitivity Analysis of Calibration Standards for SOLT and LRRM ", 58th ARFTG Conference Digest Fall 2001: RF Measurements for a Wireless World, ARFTG Fall 2001, 2001
  98. Safwat, A.M.E., Lin, C.K., Kim, J., Johnson, F.G., Johnson, W.B., Goldsman, N., Lee, C., " Investigation of the optical spot position on the performance of metal-semiconductor-metal structures: Novel application ", Solid-State Electronics, 2000
  99. Kim, J., Safwat, A.M.E., Johnson, F.G., Johnson, W.B., Yang, C.H., Lee, C.H., " Responsivity enhancement in metal-semiconductor-metal photodetector with nanometer fingers ", Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS, 2000
  100. Khalil, D.A.M., " On the improvement of the performance of the optically controlled microwave switch ", IEEE Transactions on Microwave Theory and Techniques, 1997
  101. Safwat, AME, Khalil, DAM, Elhennawy, H, Ragaie, HF, " Quasi-static analysis of an optically illuminated directional coupler ", IEEE Transactions on Microwave Theory and Techniques, 1997
  102. Safwat, A.M.E., Haidar, J., Khalil, D.A.M., Vilcot, A., Bouthinon, M., Elhennawy, H., Ragaie, H.F., " An optically controlled microwave matching technique ", Microwave and Optical Technology Letters, 1996

Research Projects

• Metamaterial inspired radio frequency components, the Science and Technology Development Fund (STDF/STIFA) (PI, 1.6 MEGP)
• Artificial surfaces and dispersion engineered structures, the Science and Technology Development Fund (STDF) (PI, 1 MEGP)
• Light harvesting system using a mini-prism array, funded by the Science and Technology Development Fund (STDF) (PI, 2.8 MEGP)
• Wireless ECG for health home monitoring, funded by the ministry of communication (NTRA) (co-PI, 3 MEGP)
• Enabling techniques for TV band cognitive radios funded by the ministry of communication (NTRA) (co-PI, 2 MEGP)
• Prototyping metamaterial antennas, funded by the ministry of communication (ITIDA-ITAC) (PI, 800 KEGP)
• Antennas measurement lab, (Capacity building) funded by the Science and Technology Development Fund (STDF) (co-PI, 4.5 MEGP)
• Metamaterial RF components funded by the Science and Technology Development Fund (STDF) (PI, 650 KEGP).
• Optical MEMS spectrometer funded by Si-Ware Systems (PI, 90 KEGP).
• Integrated high resolution optical MEMS spectrometer funded by EU-Egypt Innovation Fund (RDI) (Partner, 400 KEuro).
• Compact size front-end RF components funded by the ministry of communication (ITIDA-ITAC) (PI, 130 KEGP).