Stable single-mode operation of 894.6 nm VCSEL at high temperatures for Cs atomic sensing
Xiang Lei1, 2, Zhang Xing1, †, Zhang Jian-Wei1, Ning Yong-Qiang1, Hofmann Werner3, Wang Li-Jun1
       

(color online) The relationship between the cavity mode and gain peak wavelengths under different temperatures. The blue line indicates the cavity mode gain at different temperatures.