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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 9 — Sep. 1, 2012
  • pp: 2484–2492

Design methodology for efficient frequency conversion in Bragg reflection lasers

Bhavin J. Bijlani and Amr S. Helmy  »View Author Affiliations


JOSA B, Vol. 29, Issue 9, pp. 2484-2492 (2012)
http://dx.doi.org/10.1364/JOSAB.29.002484


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Abstract

Bragg reflection waveguides are shown to be structures that can enable the integration of a laser and optically nonlinear medium within the same cavity for efficient frequency conversion. An effective and simple method of designing phase-matched laser structures utilizing transfer matrix analysis is described. The structures are first optimized in terms of laser performance and then for enhancement of χ(2) nonlinearity. The method for optimization shows that designing for either optimum laser performance or optimum nonlinear performance can conflict. An efficiency term encompassing the requirements of both the laser and nonlinear element is derived. This serves as a figure of merit that includes parameters relevant to both the laser and the nonlinear device. It is then utilized to optimize the structure for efficient parametric conversion. This figure of merit is extended to examine parametric oscillation in the laser cavity for both singly resonant and doubly resonant configurations. It is found that threshold values of 4 W in a practical device can be obtained. Such power levels are easily obtained by mode locking the pump laser. With reduced propagation loss through etch and design improvement, sub-Watt thresholds can be realized.

© 2012 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.2020) Lasers and laser optics : Diode lasers
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(230.1480) Optical devices : Bragg reflectors
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Optical Devices

History
Original Manuscript: April 17, 2012
Revised Manuscript: July 1, 2012
Manuscript Accepted: July 9, 2012
Published: August 23, 2012

Citation
Bhavin J. Bijlani and Amr S. Helmy, "Design methodology for efficient frequency conversion in Bragg reflection lasers," J. Opt. Soc. Am. B 29, 2484-2492 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-9-2484

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