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Analysis of quarter-wave-shifted DFB laser

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4 Author(s)
Utaka, K. ; KDD Research & Development Laboratories, Tokyo, Japan ; Akiba, S. ; Sakai, K. ; Matsushima, Y.

Wavelength selectivity of a quarter-wave-shifted DFB laser is analysed taking into account the effect of a mirror facet at the end of the corrugation. The structure with no reflection is found to be the most promising. The effect of a cleaved facet at an end is not serious as long as KL is as large as 3¿5.

Published in:

Electronics Letters  (Volume:20 ,  Issue: 8 )