Title :
Superhigh Differential Quantum Efficiency and Strong Self-Sustained Pulsation in CW DH Laser Diodes
Author :
Wang, Chi-Ming ; Zhao, Li-Qing ; Zhuang, Wan-Ru ; Chang, Jing-Ming ; Chang, Chun-Shan ; Wu, Zhen-Qiu
Abstract :
Some experimental results in GaAs DH lasers having a stable, long operating-time, such as nonlinear superhigh differential quantum efficiency, the behavior of light output saturation and sudden growth again in the same filament, strong self-sustained pulsation, and so on, are presented. A model of double filaments caused by the non-uniform distribution of aluminum in the active layer of the laser diode is present to explain their anomalous behavior qualitatively.
Keywords :
DH-HEMTs; Diode lasers; Gallium arsenide; Laser mode locking; Laser stability; Optical polarization; Protons; Semiconductor diodes; Substrates; Tellurium;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.1982.1131085
