利用光子系统实现时间电子学

Ali Emami Kopaei, Karthik Subramaniam Eswaran, Arkadiusz Kosior, Daniel Hodgson, Andrey Matsko, Hossein Taheri, Almut Beige, Krzysztof Sacha
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引用次数: 0

摘要

粒子系统的周期性驱动可以在时间内产生晶体结构。这种系统可用于研究时间域中的固态物理现象。此外,通过对电磁波传播介质的材料特性进行周期调制,还可以设计光学系统的波数带状结构并实现光子时间晶体。我们在此介绍一种多功能平均容许度方法,它能在行波谐振器中模拟时间维度上的各种凝聚态。这是通过在谐振器的一小段内对介电常数进行时间调制以及利用该段的空间形状来实现的。所需的频率和调制深度是可以通过实验实现的,这为利用微波和光学系统在时间上实际实现晶体结构的研究开辟了道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Towards Timetronics with Photonic Systems
Periodic driving of systems of particles can create crystalline structures in time. Such systems can be used to study solid-state physics phenomena in the time domain. In addition, it is possible to engineer the wave-number band structure of optical systems and to realize photonic time crystals by periodic temporal modulation of the material properties of the electromagnetic wave propagation medium. We introduce here a versatile averaged-permittivity approach which empowers emulating various condensed matter phases in the time dimension in a traveling wave resonator. This is achieved by utilizing temporal modulation of permittivity within a small segment of the resonator and the spatial shape of the segment. The required frequency and depth of the modulation are experimentally achievable, opening a pathway for research into the practical realisation of crystalline structures in time utilising microwave and optical systems.
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