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AbstractAbstract
[en] We extend a recently developed Hamiltonian formalism for nonlinear wave interaction processes in spatially periodic dielectric structures to the far-off-resonant regime and investigate numerically the three-wave resonance conditions in a one-dimensional optical medium with χ(2) nonlinearity. In particular, we demonstrate that the cascading of nonresonant wave interaction processes generates an effective χ(3) nonlinear response in these systems. We obtain the corresponding coupling coefficients through appropriate normal form transformations that formally lead to the Zakharov equation for spatially periodic optical media
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(c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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