Two-dimensional nonautonomous solitons in parity-time symmetric optical media

被引：13
作者：
Chen, Yi-Xiang [1 ]
Dai, Chao-Qing [2 ]
Wang, Xiao-Gang [2 ]
机构：
[1] Zhejiang Univ Media & Commun, Sch Elect Informat, Hangzhou 310018, Zhejiang, Peoples R China
[2] Zhejiang A&F Univ, Sch Sci, Linan 311300, Zhejiang, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2014年 / 324卷
基金：
中国国家自然科学基金;
关键词：
Nonlinear Schrodinger equation; Parity-time symmetry; 2D nonautonomous soliton; REAL SPECTRA; DISPERSION; FIBER; COMPRESSION; FAMILIES;
D O I：
10.1016/j.optcom.2014.03.020
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An inhomogeneous nonlinear Schrodinger equation with diffraction and nonlinearity in the presence of the parity-time symmetric potential is studied, and 2D nonautonomous soliton family solutions are derived. The positive and negative signs in the phase bring about two kinds of abrupt phase transitions. Dynamical characteristics of form factors including the amplitude, width and phase are analyzed. The broadening and the compression of nonautonomous fundamental soliton are discussed. Moreover, the comparison of the dynamical behaviors of nonautonomous fundamental soliton in the diffraction decreasing waveguide with Gaussian, Logarithmic and hyperbolic profiles is investigated. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：10 / 17
页数：8
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