Title :
Effective nonlinearities and multi-wavelength second-harmonic generation in modulated quasi-phase-matching gratings
Author :
Bang, O. ; Graversen, T.W. ; Clausen, C.B.
Author_Institution :
Dept. of Math. Modelling, Tech. Univ. Denmark, Lyngby, Denmark
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.
Keywords :
diffraction gratings; optical Kerr effect; optical harmonic generation; optical modulation; optical phase matching; cubic nonlinearities; effective nonlinearities; effective quadratic nonlinearities; modulated quasi-phase-matching gratings; multi-wavelength second-harmonic generation; quadratic nonlinear materials; quasi-phase-matching gratings; Equations; Frequency conversion; Gratings; Nonlinear optical devices; Nonlinear optics; Optical distortion; Optical harmonic generation; Optical materials; Optical pulse compression; Solitons;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 2000. Technical Digest
Conference_Location :
Kaua´i-Lihue, HI, USA
Print_ISBN :
1-55752-646-X
DOI :
10.1109/NLO.2000.883609
