Polarization control and tuning efficiency of tunable vertical-cavity surface-emitting laser with internal-cavity sub-wavelength grating

Wang Xiao-Long, Zou Yong-Gang^†, He Zhi-Fang, Liu Guo-Jun^‡, Ma Xiao-Hui^§

The wavelength tuning range of the two polarization modes for the TE-type (a) and TM-type (b) tunable VCSEL, respectively, when θ is different.