Fangyuan Meng, Hongyan Yu, Xuliang Zhou, Yajie Li, Mengqi Wang, Wenyu Yang, Weixi Chen, Yejin Zhang, Jiaoqing Pan. Quantum wells micro-ring resonator laser emitting at 1746 nm for gas sensing[J]. Chinese Optics Letters, 2021, 19(4): 041406
- Chinese Optics Letters
- Vol. 19, Issue 4, 041406 (2021)
Fig. 1. (a) Simulation result of the quality factor (Q). (b) Electric field distribution.
Fig. 2. Optical gain of the QW structure varying with wavelength and carrier concentration Nn.
Fig. 3. (a) Cross-sectional view SEM image of the etched ring. (b) Top-view SEM image of the device with a metal electrode, a micro-ring resonator, and an output waveguide.
Fig. 4. Output power and applied voltage versus the injection current for a micro-ring resonator laser.
Fig. 5. Lasing spectrogram for the micro-ring resonator laser at an injection current of 40 mA.
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Table 1. Epitaxial Structure of the Laser
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