Čerenkov-type second-harmonic generation with fundamental beams of different polarizations
Optics Letters, Vol. 35, Issue 9, pp. 1317-1319 (2010)
http://dx.doi.org/10.1364/OL.35.001317
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Abstract
We analyze the conical second-harmonic generation via Čerenkov-type phase matching in two-dimensional decagonal nonlinear photonic quasi-crystals for linear, circular, and elliptical polarized fundamental beams. Depending on the polarization state, we observe either centrosymmetric or noncentrosymmetric intensity modulation of the second-harmonic rings. We explain this effect by employing the concept of effective quadratic nonlinearity combined with the hexagonal symmetry of the individual ferroelectric domains.
© 2010 Optical Society of America
OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(220.4000) Optical design and fabrication : Microstructure fabrication
ToC Category:
Nonlinear Optics
History
Original Manuscript: December 7, 2009
Revised Manuscript: February 23, 2010
Manuscript Accepted: February 24, 2010
Published: April 20, 2010
Citation
Yan Sheng, Solomon M. Saltiel, Wieslaw Krolikowski, Ady Arie, Kaloian Koynov, and Yuri S. Kivshar, "Čerenkov-type second-harmonic generation with fundamental beams of different polarizations," Opt. Lett. 35, 1317-1319 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-9-1317
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