Switch between the Types of the Symmetry Breaking Bifurcation in Optically Induced Photorefractive Rotational Double-Well Potential
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概要
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We study the possibility of switching the types of symmetry breaking bifurcation (SBB) in the cylinder shell waveguide with helical double-well potential along propagation direction. This model is described by the one-dimensional nonlinear Schrödinger (NLS) equation. The symmetry- and antisymmetry-breakings can be caused by increasing the applied voltage onto the waveguide in the self-focusing and -defocusing cases, respectively. In the self-focusing case, the type of SBB can be switched from supercritical to subcritical. While in the self-defocusing case, the type of SBB can not be switched because only one type of SBB is found.
- 2013-03-15
著者
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Luo Zhihuan
Department of Applied Physics, South China Agricultural University, Guangzhou 510642, China
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Chen Guihua
Department of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, China
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Wu Jianxiong
Department of Electrical and Engineering, University of Toronto, Toronto M5S3G4, Canada
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Wu Muying
Department of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, China
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