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Your search keyword '"Wang, Fei-Yu"' showing total 3 results
Start Over Author "Wang, Fei-Yu" Publisher iop publishing
3 results on '"Wang, Fei-Yu"'

2. Evolution of Dark Spatial Soliton in Quasi-phase-matched Quadratic Media

Author

Xia Yu-Xing, Chen Yuping, Wang Fei-Yu, Yang Yi, and Chen Xian-Feng

Subjects
Diffraction, Physics, Quadratic equation, Physics and Astronomy (miscellaneous), Scattering, Quantum mechanics, Phase (waves), Second-harmonic generation, High harmonic generation, Astrophysics::Cosmology and Extragalactic Astrophysics, Soliton, Nonlinear Sciences::Pattern Formation and Solitons, Beam (structure)
Abstract

We theoretically investigate the evolvement of dark spatial soliton with cascading quadratic nonlinearity in quasi-phase-matched second harmonic generation. It is shown that the dark solitary wave can propagate stably when background intensity is large enough, in which diffraction of beam can be balanced by the cascading quadratic nonlinearity. We also analyze the influence of phase-mismatch on the stability of dark soliton propagation.

Published
2005
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3. Dark Spatial Solitary Wave Due to Cascaded χ (2) Nonlinearity

Author

Xia Yu-Xing, Chen Xian-Feng, Wang Fei-Yu, Chen Yuping, and Gao Guan-Qie

Subjects
Physics, Nonlinear system, Physics and Astronomy (miscellaneous), Quantum electrodynamics, Second-harmonic generation, Nonlinear Sciences::Pattern Formation and Solitons
Abstract

The formation of the dark spatial solitary wave in cascaded second harmonic generation processes is numerically studied based on the nonlinear-coupled equations. It is shown that the solitary wave exists when the effective three-order nonlinearity induced by cascaded second-order nonlinearity is negative.

Published
2004
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