Photonic time-crystals (Conference Presentation)

Mordechai (Moti) Segev; Eran Lustig; Alex Dikopoltsev; Yonatan Sharabi; Mark Lyubarov; Ohad Segal; Yaakov Lumer

doi:10.1117/12.2633305

3 October 2022 Photonic time-crystals (Conference Presentation)

Mordechai (Moti) Segev, Eran Lustig, Alex Dikopoltsev, Yonatan Sharabi, Mark Lyubarov, Ohad Segal, Yaakov Lumer

Proceedings Volume PC12195, Metamaterials, Metadevices, and Metasystems 2022; PC1219518 (2022) https://doi.org/10.1117/12.2633305
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Photonic Time Crystals (PTCs) are dielectric media whose refractive index is modulated periodically in time at time scales of an optical cycle. These systems conserve momentum but not energy, and are characterized by momentum bands and bandgaps, where the amplitudes of their eigenmodes can increase (or decrease) exponentially. But more interesting than all the rest - I will discuss the classical and quantum features of light emission in PTCs from various radiation sources, such as free electrons, classical dipoles, quantum fluctuations, and the emission by atoms. The latter opens new avenues for making widely tunable lasers that extract energy from the temporal modulation of the medium.

Conference Presentation

Citation Download Citation

Mordechai (Moti) Segev, Eran Lustig, Alex Dikopoltsev, Yonatan Sharabi, Mark Lyubarov, Ohad Segal, and Yaakov Lumer "Photonic time-crystals (Conference Presentation)", Proc. SPIE PC12195, Metamaterials, Metadevices, and Metasystems 2022, PC1219518 (3 October 2022); https://doi.org/10.1117/12.2633305

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