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Effective nonlinearities and multi-wavelength second-harmonic generation in modulated quasi-phase-matching gratings

Ole Bang, Torben W. Graversen, and Carl Balslev Clausen

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Abstract

Quasi-phase-matching gratings induces Kerr effects in quadratic nonlinear materials. We show analytically and confirm numerically how modulating the grating changes the effective quadratic and cubic nonlinearities and allows for multi-wavelength second-harmonic generation.

© 2000 Optical Society of America

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