The effect of gain medium length on dynamic mode stability in semiconductor lasers with a long intra-cavity filter.
We investigate theoretically and experimentally the effect of the physical length of gain medium on dynamic mode stability in semiconductor lasers with an intra-cavity filter. In simulation, two types of analysis models were used to examine the lasing properties and to analyze the dynamic mode stability of the external-cavity system, respectively. In experiment, two different kinds of the structures were fabricated and their spectra were analyzed. Both simulation and measurement results show clearly the length of the gain medium has a critical influence on the stability around the peak wavelength of the filter.
Kwon
Oh Kee
OK
RF and Optical Devices Department, IT Convergence and Components Laboratory, Electronics and Telecommunications Research Institute, Daejeon, 305-350, Korea.
Lee
Chul Wook
CW
Shin
Jang Wook
JW
Sim
Eun Deok
ED
Kim
Jong-Hoi
JH
Lee
Dong Hun
DH
Bang
Dong Soo
DS
Baek
Yong Soon
YS
D000669:Amplifiers, Electronic; D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D054023:Lasers, Semiconductor; D008962:Models, Theoretical; D012031:Refractometry / Q000295:instrumentation*