在光子学中的Floquet非赫密特皮肤效应中观察拓过渡的观察
Zhiyuan Lin1, Wange Song1, Li-Wei Wang2
1National Laboratory of Solid State Microstructures, Key Laboratory of Intelligent Optical Sensing and Manipulations, Jiangsu Key Laboratory of Artificial Functional Materials, School of Physics, College of Engineering and Applied Sciences, <a href="https://ror.org/01rxvg760">Nanjing University</a>, Nanjing 210093, China.
Physical review letters
|August 30, 2024
概括
研究人员在光学波导中展示了Floquet非赫米蒂安皮肤效应 (NHSE). 他们观察到新的拓过渡和独特的双极NHSE阶段,提供了控制光波的新方法.
科学领域:
- 非赫米特物理学的物理学.
- 拓学现象 拓学现象
- 光子学 是一个光子学.
背景情况:
- 非赫密斯物理研究系统的收益或损失,揭示现象,如非赫密斯皮肤效应 (NHSE).
- NHSE通常需要非互惠的合,这在实验上具有挑战性.
- 佛洛克非赫米蒂安系统通过工程测量场和散射提供了NHSE的替代途径.
研究的目的:
- 在一个新的系统中实验地实现和研究Floquet非赫米蒂安皮肤效应 (NHSE).
- 探索Floquet NHSE的拓过渡和独特阶段.
- 了解Floquet NHSE在周期调制光学系统中的基本物理.
主要方法:
- 在光子平台上的周期调制光学波导中实现Floquet NHSE.
- 通过周期调制来设计人工测量场.
- 在复杂的准能量空间中分析带绕,以揭示拓性质.
主要成果:
- 成功完成了Floquet NHSE的各个阶段.
- 对丰富的拓过渡的观察,包括单极和双极NHSE阶段之间的过渡.
- 发现与双极相相关的NHSE的方向逆转.
- 确定带绕拓的变化作为底层机制.
结论:
- 这项工作展示了Floquet NHSE使用工程测量场和光学系统中散射的新实验平台.
- 这些发现揭示了Floquet NHSE的新型拓过渡和阶段,包括非传统的双极阶段.
- 这项研究通过利用Floquet NHSE物理来操纵光和其他波的新途径.
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