Publications

Journal Papers

1. Y. Hadad and T. Melamed*, “Tilted Gaussian beam propagation in inhomogeneous media,” J. Opt. Soc. A 27, 1840-1850 (2010).

2. Y. Hadad and T. Melamed*, “Non-orthogonal domain parabolic equation and its Gaussian beam solutions,” IEEE Trns. Ant. Prop 58, 1164-1172 (2010).

3. Y. Hadad and T. Melamed*, “Parametrization of the tilted Gaussian beam wave-objects,” PIER 102, 65-80 (2010).

4. Y. Hadad and Ben Z. Steinberg*, “Magnetized spiral chains of plasmonic ellipsoids for one-way optical waveguides,” Phys. Rev. Lett 105, 233904 (2010).

5. Y. Hadad and T. Melamed*, “Time dependent tilted pulsed beams and their properties,” IEEE Trns. Ant. Prop 59, 3855-3862 (2011).

6. Y. Hadad and Ben Z. Steinberg*, “Green's function theory for infinite and semi-infinite particle chains,” Phys. Rev. B 84, 125402 (2011).

7. Y. Hadad and Ben Z. Steinberg*, “Reply to ”Comment on 'Green's function theory for infinite and semi-infinite particle chains’," Phys. Rev. B 86, 037402 (2012).

8. Y. Hadad and Ben Z. Steinberg*, “One-way optical waveguides for perfectly matched non-reciprocal nanoantennas with dynamic beam-forming capability,” Optics Express 21, S1 A77-A83 (2012).

9. Y. Hadad, Y. Mazor, and Ben Z. Steinberg*, “Green's function theory for one-way particle chains,” Phys. Rev. B 87, 035130 (2013).

10. Y. Hadad and Ben Z. Steinberg*, “Quasistatic resonance of a chemical potential interruption in a graphene layer and its polarizability - the mixed-polariton semilocalized plasmon,” Phys. Rev. B 88, 075439 (2013).

11. Y. Hadad, Arthur R. Davoyan, N. Engheta, and Ben Z. Steinberg*, “Extreme and quantized magneto-optics with graphene meta-atoms and metasurfaces,” ACS Photonics 1, 10, 1068-1073 (2014).

12. Y. Mazor, Y. Hadad, and Ben Z. Steinberg*, “Planar one-way guiding in periodic particle arrays with asymmetric unit cell and general group-symmetry considerations,” Phys. Rev. B,92 125129 (2015).

13. Y. Hadad, Dimitrios L. Sounas, and A. Alu*, “Space-time gradient metasurfaces,” Phys. Rev. B, Rapid Communications, 92 100304(R) (2015).

14. Y. Hadad, A. Khanikaev, and A. Alu*, “Self-induced topological transitions and edge states supported by nonlinear staggered potentials” Phys. Rev. B, 93, 15, 155112 (2016).

15. Y. Hadad, Jason C. Soric, and A. Alu*, “Breaking temporal symmetries for emission and absorption,” Proceedings of the National Academy of Sciences, 10.1073/pnas.1517363113 (2016).

16. Diego C. Serrano, Juan S. Gomez-Diaz, D. L. Sounas, Y. Hadad, A. Melcon, and A. Alu*, “Non-reciprocal graphene devices and antennas based on spatio-temporal modulation,” IEEE Antennas and Wireless Propagation Letters, 15, pp. 1529-1532, (2016).

17. A. H. Schokker, F. van Riggelen, Y. Hadad, A Alu*, A. F. Koenderink, “Systematic study of the hybrid plasmonic-photonic band structure underlying lasing action of diffractive plasmon particle lattices,” Phys. Rev. B, 95 (8), 085409 (2017).

18. Y. Hadad, V. Vitelli, and A. Alu*, “Solitons and propagating domain walls in optical resonator arrays,” ACS Photonics, 4 (8), 1974-1979, (2017).

19. Y. Hadad, J. Soric, A. B. Khanikaev, and A. Alu*, “Self-induced topological protection in nonlinear resonator arrays,” Nature Electronics, 1 (3), 178, (2018).

20. L. Goltcman, and Y. Hadad, “Scattering theory from piezoelectric-like meta-atoms and molecules,” Phys. Rev. Lett., 120 (5), 054301, (2018).

21. A. Shlivinsky, and Y. Hadad, “Beyond the Bode-Fano bound: Wideband impedance matching for short-pulses using temporal switching of transmission-line parameters,” Phys. Rev. Lett, 121, 204301, (2018).

22. G. D'Aguanno, Y. Hadad , D. A. Smirnova, X. Ni, A. B. Khanikaev, and A. Alu*, “Nonlinear Topological Transitions over metasurfaces,” Phys. Rev. B, 100, 214310 (2019).

23. Y. Hadad, and A. Shlivinsky, “Soft Temporal Switching of Transmission-Line Parameters: Wave-Fields, Energy-Balance, Applications,” Special Issue on Metasurfaces and Metamaterials, IEEE Transactions on Antennas and Propagation, 68 (3), 1643-1654 (2020).

24. Y. Hadad and N. Engheta, “Possibility for Inhibited Spontaneous Emission in Electromagnetically-Open Parity-Time Symmetric Waveguiding Structures,” Proceedings of the National Academy of Sciences, 117 (11) 5576-5581 (2020).

25. S. Froim, B. Hadad, A. Bekerman, Y. Hadad, A. Bahabad, “Transformation and Phase Retrieval of Electromagnetic Fields between a Plane and an Arbitrary Surface Using Machine Learning,” ACS Photonics, doi.org101021 (Nov 2020).

26. R. Li, Y. Hadad, “Reduced sensitivity to disorder in a coupled-resonator waveguide with disordered coupling coefficients,” Phys. Rev. A 103 (2), 023503 (2021)

27. M. Kreitzer, Y. Hadad, “Wave analysis and homogenization of spatiotemporally modulated wire media,” Phys. Rev. Applied 16 054003 (2021)

28. C. Firestein, A. Shlivinski, and Y. Hadad, “Absorption and scattering by a temporally switched lossy layer: Going beyond the Rozanov bound”, Phys. Rev. Applied 17 014017 (2022)

29. O. Silbiger and Y. Hadad, “One way acoustic guiding under transverse fluid flow”, Phys. Rev. Applied 17 (6) 064058 (2022).

30. Y. Hadad, “On the use of the Fourier Pade approximation in fast evaluation of the Green's function in layered medium”, IEEE Trans. Ant. Prop. (2022), doi: 10.1109/TAP.2022.3209288.

31. O. Silbiger and Y. Hadad, “Optimization-free Filter and Matched Filter Design by Spatial and Temporal Soft Switching of the Dielectric Constant,” Phys. Rev. Applied 19 (1) 014047 (2023).

32. C. Firestein, A. Shlivinski, and Y. Hadad, “Sum rule bounds beyond Rozanov Criterion in linear and time-Invariant thin absorbers”, PRB 108 (1) 014308 (2023).

33. M. Kreitzer and Y. Hadad, “Green's function theory of spatiotemporally modulated wire surface”, Phys. Rev. Research 5 (4) 043256 (2023).

34. M. Kreitzer, B. Z. Steinberg, and Y. Hadad, “Localized Source above a Time-Modulated Dielectric half space: Green's function theory”, Phys. Rev. Research 6 (1) 013277 (2024).

35. Y. Hadad and D. Sounas, “Space-time modulated loaded wire metagratings for magnetless nonreciprocity and near-complete frequency conversion” Optics Materials Express 14 (5) 1295-1308 (2024).

36. D. Ramaccia, M. Silveirinha, Y. Hadad, V. Asadchy, F. R. Prudencio, “Time-Varying Artificial Photonic Metastructures: introduction to the special issue”, Optical Materials Express 14 (6), 1472-1474 (2024).

37. O. Silbiger, C. Firestein, A. Shlivinski, and Y. Hadad, “Inverse Design of Ultrawideband One-Dimensional Metamaterial Photonic Filters using Riccati Equation Constrained Gradient Descent,” Optics Express 32 (14), 24947-24967 (2024).

38. C. Firestein, A. Shlivinski, and Y. Hadad, “Optimal Design of Dallenbach Absorbers Under Broadband Broad-Angle Illumination,” Physical Review Applied 22 (1), 044044 (2024).

39. A. Shlivinski and Y. Hadad, “Universal radiation dynamics by temporal transitions in optical waveguides,” Nanophotonics (2025), https:doi.org10.1515nanoph-2024-0525 (2025).

40. O. Silbiger and Y. Hadad, “Inverse design of time-varying transmission-line filters for broadband spatial signal processing,” Physical Review B 111 (5), 054307 (2025).

41. Y. Hadad, R. Fleury, L. S. Belkin, J. Christensen, A. Khanikaev, M. Li, C. Lu, G. Salerno, “Wave Phenomena in Time-Dependent, Active and Topological Photonic Media: feature introduction,” Optical Materials Express 15 (10), 2522-2523 (2025).

42. M. Stumpf, A. Shlivinski, and Y. Hadad, “Transient Electromagnetic Kirchhoff Diffraction by a Temporally Discontinuous Spatially Truncated Conductive Sheet,” IEEE Transactions of Antennas and Propagation, 74 (1) 827-836 (2026),

43. Koffi E. Sadzi and Y. Hadad, “Exact Local-Field Renormalization for Deep-Subwavelength Particles in Rectangular Cavities,” Accepted in the IEEE Transactions of Antennas and Propagation (2026),

44. Koffi E. Sadzi, D. L. Sounas, Y. Hadad, “A Cavity-induced Loss Threshold for Nonreciprocal Transport,” Phys. Rev. A 114, L011504 (2026) - Letter.

Patents

1. A. Alu*, Y. Hadad, Jason C. Soric, “Eliminating reciprocity constraints in radiating and scattering systems with spatio-temporal modulation ” - US Patent 9,912,067

Book Chapters

1. Y. Hadad, A. H. Schokker, F. van Riggelen, A. Alu*, A. F. Koenderink, Plasmon Particle Array Lasers, Quantum Plasmonics, pp. 165-190, Spinger 2017.

Conference Proceedings

1. Sam Ben-Yaakov*, Y. Hadad, and N. Diamantstein, “A Four quadrants HF AC chopper with no deadtime,” Applied Power Electronics Conference and Exposition, APEC06, Dallas, TX, March 2006 (Citations: ISI 4 (GS 19))

2. Y. Hadad and T. Melamed*, “Tilted Gaussian beam propagation in inhomogeneous medium,” IEEE 24th Convention of Electrical and Electronic Engineers in Israel, Eilat, Israel, Nov. 2006

3. Y. Hadad and T. Melamed*, “Tilted Gaussian beam propagation in inhomogeneous medium,” URSI 2007 International Symposium on Electromagnetic Theory, Ottawa Canada, July, 2007. Paper was awarded URAI Young Scientist Award

4. Y. Hadad and Ben Z. Steinberg*, “Electrodynamic synergy of micro-properties and macro structures in particle arrays,” Electromagnetic theory symposium URSI, Berlin July, 2010 (Citations: ISI 4 (GS 4))

5. Y. Hadad and Ben Z. Steinberg*, “Green's function theory for sub-diffraction chains,” IEEE symposium on Antennas and Propagation, Spokane WA, July 2011. Best paper award (2nd place) in SPC.

6. Y. Hadad and Ben Z. Steinberg*, “One-way optical waveguides for perfectly matched non-reciprocal nanoantennas,” IEEE symposium on Antennas and Propagation, Chicago IL, July 2012. Paper was honorably mentioned in student best paper competition.

7. Y. Hadad and Ben Z. Steinberg*, “Perfectly Matched Non-Reciprocal NanoAntenna with Beam Scanning Capabilities,” Frontiers In Optics, Rochester, NY, Oct 2012

8. Y. Hadad and Ben Z. Steinberg*, “Electrical Polarizability of a Local Chemical Potential Interruption in a Graphene Layer,” IEEE symposium on Antennas and Propagation, Orlando FL, July 2013. Paper was selected as a finalist in a student best paper competition.

9. Y. Mazor, Y. Hadad and Ben Z. Steinberg*, “Interrupting inclusions and engineered surfaces,” ICEAA Torino, Italy, Sep 2013

10. Y. Hadad, A. Davoyan, N. Engheta, and Ben Z. Steinberg*, “Extreme magneto-optics with graphene metasurfaces,” IEEE symposium on Antennas and Propagation, Memphis, TN, July 2014. Paper was selected as a finalist in a student best paper competition.

11. Y. Hadad, A. Davoyan, N. Engheta, and Ben Z. Steinberg*, “Graphene based resonant inclusions with high Q and strong magnetic response by localized interruptions to the chemical potential of the layer,” ICEAA, Aruba, August 2014. Paper was selected for Best Paper Award

12. Y. Hadad and Ben Z. Steinberg*, “Analytical and numerical study of semi-infinite reciprocal and non-reciprocal plasmonic sub-diffraction chains,” ICEAA, Aruba, August 2014.

13. Y. Hadad, and A. Alu*, “Non-Reciprocal Transmission/Diffraction through Plasmonic Gratings Above a Time-Varying Medium,” The 7th International Conference on Surface Plasmon Photonics (SPP7), Jerusalem, Israel, May 31-June 5, 2015.

14. D. L. Sounas, Y. Hadad, and A. Alu*, “Large Non-reciprocity and Isolation with Time-Varying Zero-Index Electrical or Acoustical Channels,” 2015 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Canada, July 19-25, 2015.

15. Y. Hadad, D. L. Sounas, and A. Alu*, “Nonreciprocal Space-Time Gratings,” 2015 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Canada, July 19-25, 2015.

16. Y. Hadad, J. C. Soric, and A. Alu*, “Spatiotemporally Modulated Antennas,” 2015 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Canada, July 19-25, 2015.

17. Y. Hadad, J. C. Soric, D. L. Sounas and A. Alu*, “Time-modulated Antennas and Metasurfaces,” Loughborough Antennas and Propagation Conference, Loughborough, UK, November 2-3, 2015.

18. Y. Hadad, Alexander B. Kanikaev, Jason C. Soric, and A. Alu*, “Self-induced topological transitions by nonlinearities”, 2016 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Fajardo, Puerto Rico, June 26-July 1, 2016.

19. Y. Hadad, F. Kohenderink, and A. Alu*, “Theory of distributed feedback lasers based on ordered and disordered plasmonic arrays”, 2016 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Fajardo, Puerto Rico, June 26-July 1, 2016.

20. Y. Hadad, “Fast mode-poles search in layered medium using the Pade-Fourier Approximation”, 2017 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, San-Diego, CA, USA, July 9-July 14, 2017.

21. Y. Hadad, G. D'Aguanno, A. Khanikaev, V. Vitelli, A. Alu*, Engineered Materials Platforms for Novel Wave Phenomena, (Metamaterials), 2017 11th International Congress on, Marseille, France 2017.

22. Y. Hadad, L. Goltcman, Electrically Small While Acoustically Large Meta-Molecules, Bulletin of the American Physical Society, APS March meeting, Los Angeles, CA, 2018.

23. Y. Hadad, “Fast layered media Green's function evaluation using the Fourier-Pade approximation,” in ICCEM, Chengdu, March 2018.

24. L. Goltcman, and Y. Hadad, “Creating a Synthetic Sense of Length by Electromechanical Metamolecules,” 2018 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Boston, MA, USA, July 8-July 13, 2018.

25. A. Shlivinsky, and Y. Hadad, “A paradigm for Ultra-Wide-Band/Short-Pulse matching by time-varying transmission lines,” 2018 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Boston, MA, USA, July 8-July 13, 2018.

26. Y. Hadad, “Excitation Dynamics of PT-Symmetric Guiding Structures,” Annual Antenna Symposium, Tel-Aviv University, 28 March 2019.

27. Y. Hadad, A. Shlivinski, “Using Temporal Switching for Impedance Matching Beyond the BF bound,” EMTS-URSI 2019, San Diego, CA, 27-31 May 2019. Best paper award (3rd place)

28. A. Shlivinski, Y. Hadad, “Dynamics of Short-Pulse Signals in Softly Switched Time-Varying TL,” EMTS-URSI 2019, San Diego, CA, 27-31 May 2019.

29. Y. Hadad and A. Shlivinski, “UWB Nonreciprocal Devices in Space-Time Modulated TLs,” 2019 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Atlanta, GA, USA, July 7-July 12, 2019.

30. A. Shlivinski, and Y. Hadad, “UWB Impedance Matching by Temporal Switching,” 2019 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Atlanta, GA, USA, July 7-July 12, 2019.

31. A. Shlivinski, Y. Hadad, “Space, Time, and Space-Time Discontinuities in TL: Review” IEEE-IEAA Sep 8-12, 2019.

32. Y. Hadad, “Excitation of PT-Symmetric Guiding Structures” IEEE-ICEAA Sep 8-12, 2019.

33. Y. Hadad and D. L. Sounas, “Space-Time modulated metagartings,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 5-10 July 2020, Montreal, Canada (due to COVID19 - ONLINE).

34. Y. Hadad and A. Shlivinski, “Antenna Bandwidth Broadening by Time-Modulation,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 5-10 July 2020, Montreal, Canada (due to COVID19 - ONLINE).

35. R. Li and Y. Hadad, “Monte-Carlo Study of Disorder Effects on Guided Modes Propagating on a Trimerized Coupled Resonator Lattice,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 5-10 July 2020, Montreal, Canada (due to COVID19 - ONLINE).

36. O. Silbiger and Y. Hadad, “Recent advances in magnetless non-reciprocal leaky wave antenna,” invited to EuCap 2020 Copenhagen Denemark (March). Paper posted in IEEE explore but the lectures were cancelled due to the COVID19 crisis.

37. Y. Hadad, “Space-Time Modulated Loaded Wire Metagratings for Magnetless nonreciprocity,” invited to EuCap 2020 Copenhagen Denemark (March). Paper posted in IEEE explore but the lectures were cancelled due to the COVID19 crisis.

38. Y. Hadad, “Broadening Antenna Bandwidth by Time-Modulation,” Metamaterials 2020 the 14th International Congress on Artificial Materials for Novel Phenomena, New York NY (Oct 2020), Online.

39. M. Kreitzer, and Y. Hadad, “Homogenization and Extreme Fresnel Drag in spatiotemporally modulated wire media,” The 2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Singapore, December 2021. Paper Selected as Honorably mentioned in SPC, among 245 submissions.

40. C. Firestein, A. Shlivinski, and Y. Hadad, “Bypassing Rozanov's bound for short time pulses,” The 2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Singapore, December 2021. Paper Selected as Honorably mentioned in SPC, among 245 submissions.

41. O. Silbiger, and Y. Hadad, “One-way guiding by acoustic subdiffraction chain under transverse mean flow,” The 2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Singapore, December 2021.

42. C. Firestein, A. Shlivinsky, and Y. Hadad, “Fast evaluation of the reflection from a temporally switched Dallenbach screen” AT-APRSC 3rd URSI Atlantic / Asia-Pacific Radio Science Meeting - 2022, Gran Canaria Spain (May 2022).

43. M. Kreitzer and Y. Hadad, “Green's function theory above a space-time modulated wire metasurface”, The 2022 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Denver, Colorado, July 2022.

44. A. Shlivinsky and Y. Hadad, “Temporally switched cavity”, The 2022 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Denver, Colorado, July 2022.

45. C. Firestein, A. Shlivinsky, and Y. Hadad, “Absorption bounds for magnetically conducting Dallanebach Screens”, The 2022 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Denver, Colorado, July 2022. Paper Selected as Honorably mentioned in SPC, among 245 submissions.

46. O. Silbiger and Y. Hadad, “Optimization-free design of spatial analog filters by temporal variation”, Presented in Metamaterials 2022 the 16th International Congress on Artificial Materials for Novel Phenomena, Siena, Italy (Oct 2022).

47. C. Firestein, A. Shlivinski, Y. Hadad, “ Efficiency enhancement for Dallenbach absorbers by a penetrable inductive impedance sheet”, The 2023 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Portland, Oregon, July 2023.

48. O. Silbiger and Y. Hadad, “Inverse Design of 1D photonics”, Metamaterials 2024 the 18th International Congress on Artificial Materials for Novel Phenomena, Chania Crete, Sep 2024.

49. Y. Hadad, Nonreciprocal guided wave acoustics under flow , ETOPIM 13 (20-26 June 2025); 13th International Conference on Elastic, Electrical, Transport, and Optical Properties of Inhomogeneous Media.

50. Y. Hadad, Green's function theory above a time-modulated half-space, URSI EMTS 2025 Bolonga, 16-19 June 2025.

51. Koffi Emanuel Sadzi and Y. Hadad, Resonant Coupling of a Deep-Subwavelength Particle in a Rectangular Conducting Cavity: Beyond the Jaynes-Cummings Model, URSI EMTS 2025 Bolonga, 16-19 June 2025.

52. Koffi Emanuel Sadzi and Y. Hadad, Loss Threshold Phenomena in Nonreciprocal Transport, Metamaterials 2025 Amsterdam, 1-5 September 2025.

53. Amir Shlivinski and Y. Hadad, Temporal switching in cylindrical configurations, Metamaterials 2025, Amsterdam, 1-5 September 2025

54. Y. Hadad, Absorption bounds in complex scenarios, Metamaterials 2026, NYC, Aug 31- Sep 4 2026.