supported by the National Natural Science Foundation of China (No. 61335009, 61274045, 61271066, 61321063);the National 973 Project of China (No. 2011CB301702);the National 863 Project of China (No. 2013AA014202)
A terahertz excitation source based on a dual-lateral-mode distributed Bragg reflector (DBR) laser working in the 1.5 μm range is experimentally demonstrated. By optimizing the width of the ridge waveguide, the fun...
Project supported by the National Natural Science Foundation of China(Nos.61274046,61201103);the National High Technology Research and Development Program of China(No.2013AA014202)
A comprehensive design optimization of 1.55-#m high power InGaAsP/InP board area lasers is performed aiming at increasing the internal quantum efficiency (ηi) while maintaining the low internal loss (αi) of the ...
Project supported by the National Natural Science Foundation of China(Grant Nos.61274046,61335009,61201103,and 61320106013);the National High Technology Research and Development Program of China(Grant No.2013AA014202)
Internal loss is a key internal parameter for high power 1060-nm InGaAs/A1GaAs semiconductor laser. In this paper, we discuss the origin of internal loss of 1060-nm InGaAs/GaAs quantum welt (QW) AIGaAs separate conf...