Three-dimensional photonic topological insulator without spin-orbit coupling

• Main Authors: Kim, Minkyung, Wang, Zihao, Yang, Yihao, Teo, Hau Tian, Rho, Junsuk, Zhang, Baile
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2023
• Subjects: Science::Physics; Spontaneous Emission; Crystalline Insulator
• Online Access: https://hdl.handle.net/10356/164871
• Institution: Nanyang Technological University

Spin-orbit coupling, a fundamental mechanism underlying topological insulators, has been introduced to construct the latter's photonic analogs, or photonic topological insulators (PTIs). However, the intrinsic lack of electronic spin in photonic systems leads to various imperfections in emulati...