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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 12 — Jun. 15, 2013
  • pp: 2083–2085

Backward optical parametric efficiency in quasi-phase-matched GaN waveguide presenting stitching faults

Carlos Montes, Pierre Aschieri, and Marc de Micheli  »View Author Affiliations

Optics Letters, Vol. 38, Issue 12, pp. 2083-2085 (2013)

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We model a backward mirrorless optical parametric oscillator in a fragmented GaN waveguide consisting of a sequence of submicronic periodically poled elements separated by uniformly polarized connection sections representing stitching errors. We find that the generated coherent phase of the backscattered wave locks the phases of the forward propagating waves in such a way that the dynamics is nonintuitivelly as efficient as for a uniform quasi-phase-matched waveguide. The best coherence transfer to the backward wave, obtained for perfect group-velocity matching of the forward propagating waves, requires a nanoscale poled periodicity, which is achieved in GaN through epitaxy.

© 2013 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Nonlinear Optics

Original Manuscript: March 20, 2013
Revised Manuscript: May 14, 2013
Manuscript Accepted: May 16, 2013
Published: June 10, 2013

Carlos Montes, Pierre Aschieri, and Marc de Micheli, "Backward optical parametric efficiency in quasi-phase-matched GaN waveguide presenting stitching faults," Opt. Lett. 38, 2083-2085 (2013)

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