光子系统中的手征性
Chirality in photonic systems
摘要：
光子结构的光学模式是所谓的TE和TM模式，它们给这些系统带来了内在的自旋轨道耦合和手征性。这与光子势设计的独特灵活性以及将光子态与激子共振混合的可能性相结合，对磁场和相互作用敏感，允许实现许多现象，通常类似于其他固态系统。在这篇文章中，我们回顾了这些实现，即光学自旋霍尔效应，创建一个非平凡的几何保护的自旋电流，Berry曲率的光子，和光子/极化拓扑绝缘体的定性和全面的方式。
英文摘要：
The optical modes of photonic structures are the so-called TE and TM modes which bring intrinsic spin-orbit coupling and chirality to these systems. This, combined with the unique flexibility of design of the photonic potential, and the possibility to mix photon states with excitonic resonances, sensitive to magnetic field and interactions, allows to achieve many phenomena, often analogous to other solid state systems. In this contribution, we review in a qualitative and comprehensive way several of these realizations, namely the optical spin Hall effect, the creation of spin currents protected by a non-trivial geometry, Berry curvature for photons, and the photonic/polaritonic topological insulator.
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