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Proceedings Paper

Damping and feedback characteristics of quantum dot semiconductor lasers
Author(s): 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
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Paper 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.

Paper Details

Date Published: 1 September 2004
PDF: 9 pages
Proc. SPIE 5452, Semiconductor Lasers and Laser Dynamics, (1 September 2004); doi: 10.1117/12.545457
Show Author Affiliations
Guillaume Huyet, Univ. College Cork (Ireland)
Stephen P. Hegarty, Univ. College Cork (Ireland)
David O'Brien, Univ. College Cork (Ireland)
Alexander V. Uskov, Univ. College Cork (Ireland)
S. Melnik, Univ. College Cork (Ireland)
Olwen Carroll, Univ. College Cork (Ireland)
John G. McInerney, Univ. College Cork (Ireland)
Thorsten Kettler, Technische Univ. Berlin (Germany)
Matthias Laemmlin, Technische Univ. Berlin (Germany)
Dieter Bimberg, Technische Univ. Berlin (Germany)
Victor M. Ustinov, A.F. Ioffe Physico-Technical Institute (Russia)
Sergey S. Mikhrin, A.F. Ioffe Physico-Technical Institute (Russia)
Alexey E. Zhukov, A.F. Ioffe Physico-Technical Institute (Russia)
Alexey R. Kovsh, A.F. Ioffe Physico-Technical Institute (Russia)


Published in SPIE Proceedings Vol. 5452:
Semiconductor Lasers and Laser Dynamics
Daan Lenstra; Geert Morthier; Thomas Erneux; Markus Pessa, Editor(s)

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