Damping and feedback characteristics of quantum dot semiconductor lasers

Guillaume Huyet; Stephen P. Hegarty; David O'Brien; Alexander V. Uskov; S. Melnik; Olwen Carroll; John G. McInerney; Thorsten Kettler; Matthias Laemmlin; Dieter Bimberg; Victor M. Ustinov; Sergey S. Mikhrin; Alexey E. Zhukov; Alexey R. Kovsh

doi:10.1117/12.545457

1 September 2004 Damping and feedback characteristics of quantum dot semiconductor lasers

Guillaume Huyet, Stephen P. Hegarty, David O'Brien, Alexander V. Uskov, S. Melnik, Olwen Carroll, John G. McInerney, Thorsten Kettler, Matthias Laemmlin, Dieter Bimberg, Victor M. Ustinov, Sergey S. Mikhrin, Alexey E. Zhukov, Alexey R. Kovsh

Author Affiliations +

Proceedings Volume 5452, Semiconductor Lasers and Laser Dynamics; (2004) https://doi.org/10.1117/12.545457
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We analyse the sensitivity of quantum dot semiconductor lasers to optical feedback. While bulk and quantum well semiconductor lasers are usually extremely unstable when submitted to back reflection, quantum dot semiconductor lasers exhibit a reduced sensitivity. Using a rate equation approach, we show that this behaviour is the result of a relatively low but nonzero line-width enhancement factor and strongly damped relaxation oscillations.

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Guillaume Huyet, Stephen P. Hegarty, David O'Brien, Alexander V. Uskov, S. Melnik, Olwen Carroll, John G. McInerney, Thorsten Kettler, Matthias Laemmlin, Dieter Bimberg, Victor M. Ustinov, Sergey S. Mikhrin, Alexey E. Zhukov, and Alexey R. Kovsh "Damping and feedback characteristics of quantum dot semiconductor lasers", Proc. SPIE 5452, Semiconductor Lasers and Laser Dynamics, (1 September 2004); https://doi.org/10.1117/12.545457

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