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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 22 — Oct. 26, 2009
  • pp: 19599–19604

Stripe-array diode-laser in an off-axis external cavity: Theory and experiment

Andreas Jechow, Mark Lichtner, Ralf Menzel, Mindaugas Radziunas, Danilo Skoczowsky, and Andrei G. Vladimirov  »View Author Affiliations

Optics Express, Vol. 17, Issue 22, pp. 19599-19604 (2009)

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Stripe-array diode lasers naturally operate in an anti-phase supermode. This produces a sharp double lobe far field at angles ±α depending on the period of the array. In this paper a 40 emitter gain guided stripe-array laterally coupled by off-axis filtered feedback is investigated experimentally and numerically. We predict theoretically and confirm experimentally that at doubled feedback angle 2α a stable higher order supermode exists with twice the number of emitters per array period. The theoretical model is based on time domain traveling wave equations for optical fields coupled to the carrier density equation taking into account diffusion of carriers. Feedback from the external reflector is modeled using Fresnel integration.

© 2009 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(140.2020) Lasers and laser optics : Diode lasers
(140.3410) Lasers and laser optics : Laser resonators
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 10, 2009
Revised Manuscript: October 9, 2009
Manuscript Accepted: October 11, 2009
Published: October 14, 2009

Andreas Jechow, Mark Lichtner, Ralf Menzel, Mindaugas Radziunas, Danilo Skoczowsky, and Andrei G. Vladimirov, "Stripe-array diode-laser in an off-axis external cavity: Theory and experiment," Opt. Express 17, 19599-19604 (2009)

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