# Single-mode lasing based on PT -breaking of two-dimensional photonic higher-order topological insulator

@article{Zhu2021SinglemodeLB, title={Single-mode lasing based on PT -breaking of two-dimensional photonic higher-order topological insulator}, author={Bofeng Zhu and Q. J. Wang and Y. Q. Zeng and Q. J. Wang and Yidong Chong}, journal={Physical Review B}, year={2021} }

Bofeng Zhu, 2 Qiang Wang, Yongquan Zeng, Qi Jie Wang, 2, 4, ∗ and Y. D. Chong 4, † Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 637371, Singapore Electronic Information School, Wuhan University, Wuhan 430072, China. Centre for Disruptive Photonic Technologies, Nanyang Technological University…

## 3 Citations

Tunable two-dimensional laser arrays with zero-phase locking

- PhysicsPhysical Review B
- 2022

Two-dimensional (2D) laser arrays are shown to be achievable at a large scale by exploiting the interplay of higher-order topological insulator (HOTI) physics and the so-called non-Hermitian skin…

Non-Hermitian Topoelectrical Circuits: Expedient Tools for Topological State Engineering with Gain-Loss Modulation

- Physics
- 2021

The congregation of topological quantum and classical systems with the ideas of non-Hermitian physics has generated enormous research interest in the last few years. While the concepts associated to…

Amplification of quantum signals by the non-Hermitian skin effect

- Physics
- 2022

The non-Hermitian skin effect (NHSE) is a phenomenon whereby certain non-Hermitian lattice Hamiltonians, particularly those with nonreciprocal couplings, can host an extensive number of eigenmodes…

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