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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 18 — Sep. 15, 2010
  • pp: 3093–3095

Efficiency and phase of optical parametric amplification in chirped quasi-phase-matched gratings

C. R. Phillips and M. M. Fejer  »View Author Affiliations


Optics Letters, Vol. 35, Issue 18, pp. 3093-3095 (2010)
http://dx.doi.org/10.1364/OL.35.003093


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Abstract

Three-wave nonlinear interactions in chirped quasi-phase-matched (QPM) gratings are shown to exhibit conversion efficiency approaching 100% with increasing input pump and signal intensities, evading backconversion, as long as the idler vanishes at the input and the QPM grating is sufficiently chirped. The signal phase is described in terms of Kerr-like self- and cross-phase modulations, in the cascade χ(3) approximation. Achieving high gain and efficiency simultaneously can lead to a large nonlinear phase, and the resulting trade-off is discussed.

© 2010 Optical Society of America

OCIS Codes
(140.4480) Lasers and laser optics : Optical amplifiers
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 8, 2010
Revised Manuscript: August 8, 2010
Manuscript Accepted: August 9, 2010
Published: September 9, 2010

Citation
C. R. Phillips and M. M. Fejer, "Efficiency and phase of optical parametric amplification in chirped quasi-phase-matched gratings," Opt. Lett. 35, 3093-3095 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-18-3093


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