Spatial Solitons and Induced Kerr Effects in Quasi-Phase-Matched Quadratic Media
Carl Balslev ClausenAustralian Photonics Cooperative Research Center, Research School of Physical Sciences and Engineering, Optical Sciences Center, Australian National University, Canberra 0200 ACT, AustraliaOle BangAustralian Photonics Cooperative Research Center, Research School of Physical Sciences and Engineering, Optical Sciences Center, Australian National University, Canberra 0200 ACT, AustraliaYuri S. KivsharAustralian Photonics Cooperative Research Center, Research School of Physical Sciences and Engineering, Optical Sciences Center, Australian National University, Canberra 0200 ACT, Australia
1997en
ABI
Abstract
We show that the evolution of the average intensity of cw beams in a quasi-phase-matched quadratic (or ${\ensuremath{\chi}}^{(2)}$) medium is strongly influenced by induced Kerr effects, such as self- and cross-phase modulation. We prove the existence of rapidly oscillating solitary waves (a spatial analog of the guided-center soliton) supported by the quadratic and induced cubic nonlinearities.
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