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Bragg gap solitons in PT symmetric lattices with competing nonlinearity
Liu, Shuang2,3; Ma, Caiwen(马彩文)2; Zhang, Yiqi1; Lu, Keqing4
作者部门光电测量技术实验室
2012-04-01
发表期刊OPTICS COMMUNICATIONS
ISSN0030-4018
卷号285期号:7页码:1934-1939
产权排序1
摘要

The effect of competing nonlinearity on beam dynamics in parity-time (PT) symmetric potentials is investigated. By using numerical methods, the existence of gap solitons is demonstrated in the first Bragg band gap of optical (PT) symmetric lattices with competing nonlinearity. Meanwhile, the stability of such solitons is analyzed through introducing a small perturbation to the solitary solutions. The abrupt annihilation of the solitons during propagation demonstrates that the Bragg gap solitons in PT symmetric potentials are not stable. In comparison with the on-site gap solitons, the off-site gap solitons exhibit more robust properties during propagation.

文章类型Article
关键词Gap Solitons Pt Symmetry Competing Nonlinearity
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.optcom.2011.11.065
收录类别SCI ; EI
关键词[WOS]POTENTIALS ; OPTICS
语种英语
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000301035400054
引用统计
被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/20939
专题光电跟踪与测量技术研究室
作者单位1.Xi An Jiao Tong Univ, Dept Elect Sci & Technol, Xian 710049, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Tianjin Polytech Univ, Sch Informat & Commun Engn, Tianjin 300160, Peoples R China
推荐引用方式
GB/T 7714
Liu, Shuang,Ma, Caiwen,Zhang, Yiqi,et al. Bragg gap solitons in PT symmetric lattices with competing nonlinearity[J]. OPTICS COMMUNICATIONS,2012,285(7):1934-1939.
APA Liu, Shuang,Ma, Caiwen,Zhang, Yiqi,&Lu, Keqing.(2012).Bragg gap solitons in PT symmetric lattices with competing nonlinearity.OPTICS COMMUNICATIONS,285(7),1934-1939.
MLA Liu, Shuang,et al."Bragg gap solitons in PT symmetric lattices with competing nonlinearity".OPTICS COMMUNICATIONS 285.7(2012):1934-1939.
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