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Proceedings Paper

Locking of three coupled lasers
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Paper Abstract

We investigate the stability of an array of three laterally coupled semiconductor lasers. This study of the simplest system with an underlying structure that is also found in larger arrays constitutes a first step towards understanding the stability properties of large arrays. We use a composite-cavity model, where the individual lasers are described by the transverse modes of the entire composite-cavity system. Specifically, we analyze the stable locking region, where the laser array exhibits continuous wave emission for different detunings and coupling strengths between the individual lasers. We find that the optical fields in the outer lasers are out of phase with the middle laser.

Paper Details

Date Published: 25 February 2010
PDF: 9 pages
Proc. SPIE 7597, Physics and Simulation of Optoelectronic Devices XVIII, 75971O (25 February 2010); doi: 10.1117/12.842331
Show Author Affiliations
Hartmut Erzgräber, The Univ. of Exeter (United Kingdom)
Sebastian Wieczorek, The Univ. of Exeter (United Kingdom)
Bernd Krauskopf, Univ. of Bristol (United Kingdom)

Published in SPIE Proceedings Vol. 7597:
Physics and Simulation of Optoelectronic Devices XVIII
Bernd Witzigmann; Fritz Henneberger; Yasuhiko Arakawa; Marek Osinski, Editor(s)

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