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Proceedings Paper

Locking characteristics of a 40-GHz hybrid mode-locked monolithic quantum dot laser
Author(s): A. G. Vladimirov; M. Wolfrum; G. Fiol; D. Arsenijevic; D. Bimberg; E. Viktorov; P. Mandel; D. Rachinskii
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Paper Abstract

Hybrid mode-locking in monolithic quantum dot lasers is studied experimentally and theoretically. A strong asymmetry of the locking range with respect to the passive mode locking frequency is observed. The width of this range increases linearly with the modulation amplitude for all operating parameters. Maximum locking range found is 30 MHz. The results of a numerical analysis performed using a set of five delay-differential equations taking into account carrier exchange between quantum dots and wetting layer are in agreement with experiments and indicate that a spectral filtering element could improve locking characteristics. Asymptotic analysis of the dependence of the locking range on the laser parameters is performed with the help of a more simple laser model consisting of three delay differential equations.

Paper Details

Date Published: 27 April 2010
PDF: 8 pages
Proc. SPIE 7720, Semiconductor Lasers and Laser Dynamics IV, 77200Y (27 April 2010); doi: 10.1117/12.853826
Show Author Affiliations
A. G. Vladimirov, Weierstrass Institute for Applied Analysis and Stochastics (Germany)
M. Wolfrum, Weierstrass Institute for Applied Analysis and Stochastics (Germany)
G. Fiol, Technische Univ. Berlin (Germany)
D. Arsenijevic, Technische Univ. Berlin (Germany)
D. Bimberg, Technische Univ. Berlin (Germany)
E. Viktorov, Univ. Libre de Bruxelles (Belgium)
P. Mandel, Univ. Libre de Bruxelles (Belgium)
D. Rachinskii, Univ. College Cork (Ireland)

Published in SPIE Proceedings Vol. 7720:
Semiconductor Lasers and Laser Dynamics IV
Krassimir Panajotov; Marc Sciamanna; Angel A. Valle; Rainer Michalzik, Editor(s)

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