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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 53, Iss. 11 — Apr. 10, 2014
  • pp: 2384–2389

Class of resonator for slab waveguide lasers

Gregory C. Dente and Michael L. Tilton  »View Author Affiliations

Applied Optics, Vol. 53, Issue 11, pp. 2384-2389 (2014)

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We describe a class of laser resonator, incorporating a feedback collimator (FBC), that provides feedback that is mode-matched onto a higher-order lateral mode of a slab waveguide laser. In addition, this same resonator, in outcoupling, converts the stabilized higher-order lateral mode into an essentially laterally collimated output beam with a width that exceeds twice the width of the laser-active region. This output beam should have excellent beam quality. Here, we develop the FBC resonator design principles and describe both refractive and reflective versions. Finally, we compare the efficiencies and thresholds of an FBC resonator and an angled-ridge resonator applied to a broad-ridge quantum cascade laser.

© 2014 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.7400) Optical devices : Waveguides, slab
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 18, 2013
Revised Manuscript: February 27, 2014
Manuscript Accepted: March 1, 2014
Published: April 7, 2014

Gregory C. Dente and Michael L. Tilton, "Class of resonator for slab waveguide lasers," Appl. Opt. 53, 2384-2389 (2014)

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