Longitudinal Multi-Cavity Coupled VCSELs With Narrow Linewidth and High Single Mode Power for Quantum Sensing

被引:0
|
作者
Xun, Meng [1 ,2 ]
Pan, Guanzhong [1 ,2 ]
Sun, Yun [1 ,2 ]
Zhou, Xiaoli [1 ,2 ]
Wang, Yinuo [1 ,2 ]
Liu, Yang [1 ]
Yang, Chengyue [1 ]
Wu, Dexin [1 ]
机构
[1] Chinese Acad Sci, Inst Microelect, Beijing 100029, Peoples R China
[2] Univ Chinese Acad Sci, Sch Integrated Circuits, Beijing 100049, Peoples R China
基金
中国国家自然科学基金;
关键词
Vertical cavity surface emitting lasers; Gratings; Optical surface waves; Photonics; Temperature; Reflectivity; Power lasers; High single mode power; narrow linewidth; quantum sensing; vertical cavity surface emitting laser;
D O I
10.1109/JLT.2024.3403884
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report a novel 795 nm VCSEL with longitudinal three coupled cavity. Because of large increasing the photon lifetime, the spectrum linewidth has been reduced to be 7.3 MHz (limited by the resolution) which is near the natural atomic linewidth. The additional epitaxial cavity spacers yield high diffraction losses for higher order transverse modes. High single mode output power of 4.6 mW was obtained under 25 degrees C. Rigorous coupled-wave analysis (RCWA) was developed and applied to analyze surface grating. The VCSEL integrated with surface grating remains high orthogonal polarization suppression ratio (OPSR) above 27 dB even at 85 degrees C, showing excellent polarization stability. The 795 nm high performance VCSELs could play an important role in future generation of high-performance quantum sensing systems.
引用
收藏
页码:5949 / 5955
页数:7
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