DataVXACS PhotonicsPaper
journal article·2023-01-18

Single-Mode Lasing with Spontaneous Symmetry Breaking from a Perovskite Microdisk Dimer

Guodong Liu, Hui Liu, Ju Wang, Shangtong Jia, Guozhou Li, Yifan Li, Yunan Gao, Hong Yang, Shufeng Wang, Qihuang Gong

ACS Photonics· Volume 10· Issue 1
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Source abstract

Abstract

In this study, we design novel single-mode lasers based on non-Hermitian physics to avoid inadequate mode performance when the free spectral range is small. The perovskite microlaser, consisting of two partly fused microdisks, is presented here. Spontaneous symmetry breaking occurs under uniform pumping, which results in directional single-mode lasing at a visible range with an improved side-mode suppression ratio. In addition, a wide pump range becomes applicable due to microcavity property, where the single mode is stable even at 2.4 times the pumping threshold. The structural design with spontaneous symmetry breaking opens a new route to synthetic single-mode laser systems and other photonic devices at a visible range.
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Research context

Electronic materials

OpenAlex topics: Advanced Fiber Laser Technologies · Quantum Mechanics and Non-Hermitian Physics · Photorefractive and Nonlinear Optics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Department of Physics, Peking University, Beijing100871, China

Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi030006, China

Frontiers Science Center for Nano-optoelectronics, Peking University, Beijing100871, China

Yangtze Delta Institute of Optoelectronics, Peking University, Nantong226010, Jiangsu, China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Guangdong Major Project of Basic and Applied Basic Research

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