Optical Gap Solitons in Nonresonant Quadratic Media
Takeshi Iizuka, Yuri Kivshar
Abstract
We demonstrate an important role of the process of optical rectification in the theory of nonlinear wave propagation in quadratically nonlinear [or χ(2) ] periodic optical media. We derive a novel physical model for gap solitons in χ(2) nonlinear Bragg gratings.
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