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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 22 — Nov. 15, 2010
  • pp: 3790–3792

Multiple Čerenkov second-harmonic waves in a two-dimensional nonlinear photonic structure

Wenjie Wang, Yan Sheng, Yongfa Kong, Ady Arie, and Wieslaw Krolikowski  »View Author Affiliations


Optics Letters, Vol. 35, Issue 22, pp. 3790-3792 (2010)
http://dx.doi.org/10.1364/OL.35.003790


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Abstract

We report simultaneous generation of multiple conical second-harmonic waves in a two-dimensional nonlinear photonic structure when illuminated by two overlapping noncollinear fundamental beams. We show that this phenomenon is caused by the nonlinear Čerenkov radiation emitted due to the interaction of photons from each constituent fundamental beam as well as the virtual one propagating along the bisector of the two beams. In addition, by studying the asymmetric geometry of the interaction, we uniquely verify the effects of reciprocal vectors on the Čerenkov-type second-harmonic generation in nonlinear photonic structures.

© 2010 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 6, 2010
Revised Manuscript: October 2, 2010
Manuscript Accepted: October 3, 2010
Published: November 8, 2010

Citation
Wenjie Wang, Yan Sheng, Yongfa Kong, Ady Arie, and Wieslaw Krolikowski, "Multiple Čerenkov second-harmonic waves in a two-dimensional nonlinear photonic structure," Opt. Lett. 35, 3790-3792 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-22-3790

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