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Modulational instability based on the exact solution of nonlinear Schrödinger equation with an elliptic potential

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成果类型:
期刊论文
作者:
Deng, Yangbao*;Zhang, Shihu;Fu, Xiquan;Deng, Shuguang;Xiong, Cuixiu;...
通讯作者:
Deng, Yangbao
作者机构:
[Xiong, Cuixiu; Zhang, Guangfu; Deng, Yangbao; Deng, Shuguang] Hunan City Univ, Coll Commun & Elect Engn, Yiyang 413002, Peoples R China.
[Zhang, Shihu; Fu, Xiquan; Deng, Yangbao] Hunan Univ, Key Lab Micronanooptoelect Devices, Minist Educ, Coll Informat Sci & Engn, Changsha 410082, Hunan, Peoples R China.
通讯机构:
[Deng, Yangbao] H
Hunan City Univ, Coll Commun & Elect Engn, Yiyang 413002, Peoples R China.
语种:
英文
关键词:
Modulation instability;Exact solution;Numerical method;Gain spectrum
期刊:
Optik
ISSN:
0030-4026
年:
2013
卷:
124
期:
23
页码:
6411-6414
基金类别:
National Nature Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [60890202]; Specialized Research Fund for the Doctoral Program of Higher Education of ChinaSpecialized Research Fund for the Doctoral Program of Higher Education (SRFDP) [20110161110012]; Department of Science and Technology of Hunan Province [2011FJ3121, 2012FJ3025]; Fundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities; Hunan University and SRF for ROCS, SEM
机构署名:
本校为第一且通讯机构
院系归属:
信息与电子工程学院
摘要:
A method of investigation of modulation instability based on the exact solution of nonlinear Schro¨dingerequation with an elliptic potential is proposed. Based on the exact periodic wave solution and solitonsolution, the perturbation coupled equations are obtained and solved by a numerical method. We analyzethe perturbation gain spectrum in detail and find that the perturbation is affected by parameters ofan optical lattice potential. The modulation depth V affects the amplitude of gain spectrum, while themodulation periodic k affects both the amplitude and the fastest growth frequency of ...

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