Quantum wells micro-ring resonator laser emitting at 1746 nm for gas sensing

• 作者: Fangyuan Meng Hongyan Yu Xuliang Zhou Yajie Li Mengqi Wang Wenyu Yang Weixi Chen Yejin Zhang Jiaoqing Pan
• 来源期刊: 中国光学快报（英文版）
• 年，卷（期）: 2021,（4）
• 所属期刊栏目: Lasers, Optical Amplifiers, and Laser Optics
• 页码范围: 67-70
• 页数: 4页
• 语种: 英文
• DOI: 10.3788/COL202119.041406

摘要

Gas sensing for measurement of gas components,concentrations,and other parameters plays an important role in many fields.In this Letter,a micro-ring resonator laser used for gas sensing is experimentally demonstrated.The multi-quantum-wells micro-ring laser based on whispering-gallery modes with an annular resonator and an output waveguide was fab-ricated.A single-mode laser with a wavelength of 1746.4 nm was fabricated for the first time,to the best of our knowledge,experimentally.The output power of 1.65 mW under 40 mA injection current was obtained with a side-mode suppression ratio over 33 dB.