Junction-Temperature Measurement in InAs/InP(100) Quantum-Dot Lasers
LI Shi-Guo1**, GONG Qian2, CAO Chun-Fang2, WANG Xin-Zhong1, YAN Jin-Yi2, WANG Hai-Long3
1Department of Electronic Communication and Technology, Shenzhen Institute of Information Technology, Shenzhen 518172 2State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystems and Information Technology, Chinese Academy of Sciences, Shanghai 200050 3Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Department of Physics, Qufu Normal University, Qufu 273165
Abstract：We report on the measurement of junction temperature of the InAs/InP(100) quantum dot lasers working in the 1.55 μm wavelength region. The measurement is based on analyzing the temperature induced mode shift of the Fabry–Perot cavity. Under pulsed operation mode, more than 20°C junction temperature rise is measured for the quantum-dot (QD) laser when the duty cycle is increased from 1% to 95%. For a reference quantum well laser, the junction temperature rise is obtained as only around 3°C. The large junction temperature rise might be a crucial factor to improve the performance of QD lasers.
. [J]. 中国物理快报, 2015, 32(01): 14208-014208.
LI Shi-Guo, GONG Qian, CAO Chun-Fang, WANG Xin-Zhong, YAN Jin-Yi, WANG Hai-Long. Junction-Temperature Measurement in InAs/InP(100) Quantum-Dot Lasers. Chin. Phys. Lett., 2015, 32(01): 14208-014208.
2015, Vol. 32 
