Research Area
Complex-frequency electrodynamics and non-Hermitian scattering
Selected QTM Lab publications on pole-zero engineering, complex-frequency excitations, virtual absorption, scattering anomalies, and waveform-driven resonant response.
Relevant Publications
This curated list highlights publications most closely connected to this research area. The full publication record is maintained on the main Publications page and Google Scholar.
- S. Kim, A. Krasnok, and A. Alù, “Complex-Frequency Excitations in Photonics and Wave Physics,”Science 387(6741), eado4128 (2025).doi:10.1126/science.ado4128
- S. Kim, S. Lepeshov, A. Krasnok, and A. Alù, “Beyond Bounds on Light Scattering with Complex Frequency Excitations,”Physical Review Letters 129(20), 203601 (2022).doi:10.1103/PhysRevLett.129.203601
- D. Trivedi, A. Madanayake, and A. Krasnok, “Revealing Invisible Scattering Poles with Complex-Frequency Signals,”Journal of Applied Physics 137(24), 243103 (2025).doi:10.1063/5.0262971
- A. C. Araujo-Martinez, A. Krasnok, S. V. Kutsaev, A. H. Seltzman, and A. Yu. Smirnov, “Virtual Critical Coupling in High-Power Resonant Systems,”IEEE Transactions on Plasma Science 53(9), 2410-2418 (2025).doi:10.1109/TPS.2025.3590305
- G. P. Zouros, I. Loulas, E. Almpanis, A. Krasnok, and K. L. Tsakmakidis, “Anisotropic Virtual Gain and Large Tuning of Particles’ Scattering by Complex-Frequency Excitations,”Communications Physics 7, 283 (2024).doi:10.1038/s42005-024-01772-w
- D. G. Baranov, A. Krasnok, and A. Alù, “Coherent Virtual Absorption Based on Complex Zero Excitation for Ideal Light Capturing,”Optica 4(12), 1457-1461 (2017).doi:10.1364/OPTICA.4.001457
- Y. Ra’di, A. Krasnok, and A. Alù, “Virtual Critical Coupling,”ACS Photonics 7(6), 1468-1475 (2020).doi:10.1021/acsphotonics.0c00165
- A. Krasnok and D. Seletskiy, “Trajectory probing of complex-frequency scattering with chirped analytic pulses,”arXiv:2603.12519 (2026).doi:10.48550/arXiv.2603.12519