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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 10 — May. 15, 2010
  • pp: 1605–1607

Giant enhancement of surface second-harmonic generation using photorefractive surface waves with diffusion and drift nonlinearities

H. Z. Kang, T. H. Zhang, H. H. Ma, C. B. Lou, S. M. Liu, J. G. Tian, and J. J. Xu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 10, pp. 1605-1607 (2010)
http://dx.doi.org/10.1364/OL.35.001605


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Abstract

Giant enhancement of second-harmonic generation (SHG) with 83.4%/W coversion efficiency is obtained, taking advantage of photorefractive surface waves with diffusion and drift nonlinearity. In this method, the self-bending induced by diffusion nonlinearity can be utilized at the surface and can solve the phase-mismatch problem in bulk due to beam self-bending. With drift nonlinearity, an applied external electric filed and background illumination can further constringe surface waves to the surface and consequently enhance SHG, which provides the possibility and flexibility of control.

© 2010 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.5330) Nonlinear optics : Photorefractive optics
(240.4350) Optics at surfaces : Nonlinear optics at surfaces

ToC Category:
Nonlinear Optics

History
Original Manuscript: January 7, 2010
Revised Manuscript: March 1, 2010
Manuscript Accepted: March 26, 2010
Published: May 6, 2010

Citation
H. Z. Kang, T. H. Zhang, H. H. Ma, C. B. Lou, S. M. Liu, J. G. Tian, and J. J. Xu, "Giant enhancement of surface second-harmonic generation using photorefractive surface waves with diffusion and drift nonlinearities," Opt. Lett. 35, 1605-1607 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-10-1605

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