Harnessing anti-parity-time phase transition in coupled topological photonic valley waveguides

• Main Authors: Xie, Xinrong, Wei, Maoliang, Yang, Yumeng, Li, Yuanzhen, Lei, Kunhao, Zhang, Zijian, Wang, Chi, Zhong, Chuyu, Li, Lan, Wang, Zuojia, Sha, Wei E. I., Li, Erping, Xue, Haoran, Yang, Zhaoju, Yuan, Luqi, Chen, Hongsheng, Lin, Hongtao, Gao, Fei
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2023
• Subjects: Science::Physics; Anti-parity-time Symmetry; Phase Transitions
• Online Access: https://hdl.handle.net/10356/170635
• Institution: Nanyang Technological University

Topological and non-Hermitian physics provide powerful tools for manipulating light in different ways. Recently, intense studies have converged on the interplay between topology and non-Hermiticity, and have produced fruitful results in various photonic settings. Currently, the realization of this i...