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) (Blue) Threshold current and (red) central wavelength under the operating current of 4 mA versus different temperatures.