Title :
New dynamic model for multimode chirp in DFB semiconductor lasers
Author_Institution :
Dept. of Electr. & Electron. Eng., Nottingham Univ., UK
fDate :
10/1/1990 12:00:00 AM
Abstract :
A new technique for modelling the dynamic spectral characteristics of DFB semiconductor lasers above threshold, which is based on the transmission-line laser model, is described. This includes the effects of index carrier dependence and longitudinal index variations. The time-domain responses and spectra of quarter-wave shifted grating devices are compared with unshifted devices under transient conditions
Keywords :
distributed feedback lasers; laser modes; laser theory; refractive index; semiconductor device models; semiconductor junction lasers; DFB semiconductor lasers; dynamic model; dynamic spectral characteristics; index carrier dependence; longitudinal index variations; multimode chirp; quarter-wave shifted grating devices; threshold; time-domain responses; transient conditions; transmission-line laser model; unshifted grating devices;
Journal_Title :
Optoelectronics, IEE Proceedings J
