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Efficient parametric amplification of narrow beams in photonic crystals

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Abstract

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 χ(2) nonlinearity) tuned to subdiffractive (self-collimating) regimes. We derive relations and give analytic estimations for the efficiency of amplification.

© 2007 Optical Society of America

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Equations (6)

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