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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 9 — May. 1, 2006
  • pp: 4043–4048

Supersymmetric optimization of second-harmonic generation in mid-infrared quantum cascade lasers

Jing Bai and David S. Citrin  »View Author Affiliations

Optics Express, Vol. 14, Issue 9, pp. 4043-4048 (2006)

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We describe a procedure to optimize mid-infrared quantum cascade lasers with respect to the resonant second-order optical susceptibility, based on supersymmetric quantum mechanics. Realization of the optimized potential can be obtained by composition grading of ternary alloys, such as in InGaAs/AlInAs-based structures. The approach yields designs not only with strongly enhanced predicted nonlinear conversion efficiencies, but also with significantly improved modal gain compared with demonstrated devices.

© 2006 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW

ToC Category:
Nonlinear Optics

Original Manuscript: March 7, 2006
Revised Manuscript: April 16, 2006
Manuscript Accepted: April 18, 2006
Published: May 1, 2006

Jing Bai and David S. Citrin, "Supersymmetric optimization of second-harmonic generation in mid-infrared quantum cascade lasers," Opt. Express 14, 4043-4048 (2006)

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