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New dynamic model for multimode chirp in DFB semiconductor lasers

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1 Author(s)
Lowery, A.J. ; Dept. of Electr. & Electron. Eng., Nottingham Univ., UK

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

Published in:

Optoelectronics, IEE Proceedings J  (Volume:137 ,  Issue: 5 )