Efficient parametric amplification of narrow beams in photonic crystals

We theoretically predict and numerically demonstrate that narrow beams (of the width of few wavelengths) can be efficiently parametrically amplified in nonlinear photonic crystal (with chi((2)) nonlinearity) tuned to sub-diffractive (self-collimating) regimes. We derive relations and give analytic e...

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Bibliographic Details
Published inOptics letters Vol. 32; no. 14; p. 1992
Main Authors Staliunas, Kestutis, Loiko, Yurii, Herrero, Ramon, Cojocaru, Crina, Trull, Josep
Format Journal Article
LanguageEnglish
Published United States 15.07.2007
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Summary:We theoretically predict and numerically demonstrate that narrow beams (of the width of few wavelengths) can be efficiently parametrically amplified in nonlinear photonic crystal (with chi((2)) nonlinearity) tuned to sub-diffractive (self-collimating) regimes. We derive relations and give analytic estimations for the efficiency of amplification.
ISSN:0146-9592
DOI:10.1364/OL.32.001992