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Analysis of tunable semiconductor lasers with co-directional grating-assisted coupler filter

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2 Author(s)
J. Hong ; Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada ; W. P. Huang

A general theoretical model is established for tunable semiconductor lasers with a built-in co-directional grating-assisted vertical coupler filter. Possible internal reflection at the gain-coupler junction is considered and simple expressions for the lasing wavelengths/threshold gain derived. Mechanisms affecting the longitudinal mode selectivity are examined.<>

Published in:

IEEE Photonics Technology Letters  (Volume:4 ,  Issue: 11 )