Electrically-pumped compact topological bulk lasers driven by band-inverted bound states in the continuum

• Main Authors: Han, Song, Cui, Jieyuan, Chua, Yunda, Zeng, Yongquan, Hu, Liangxing, Dai, Mingjin, Wang, Fakun, Sun, Fangyuan, Zhu, Song, Li, Lianhe, Davies, Alexander Giles, Linfield, Edmund Harold, Tan, Chuan Seng, Kivshar, Yuri, Wang, Qi Jie
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2023
• Subjects: Engineering::Electrical and electronic engineering; Science::Physics; Band Inversion; Bulk Lasers
• Online Access: https://hdl.handle.net/10356/169244
• Institution: Nanyang Technological University

One of the most exciting breakthroughs in physics is the concept of topology that was recently introduced to photonics, achieving robust functionalities, as manifested in the recently demonstrated topological lasers. However, so far almost all attention was focused on lasing from topological edge st...