期刊
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
卷 28, 期 1, 页码 123-127出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.28.000123
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资金
- National Natural Science Foundation of China (NSFC) [60878008, 60771052]
- New Teacher Foundation of Ministry of Education of China [200801081014]
- Natural Science Foundation of Shanxi Province [2008012002-1]
We consider the generalized nonlinear Schrodinger equation describing the propagation of ultrashort pulses in nonlinear metamaterials and find exact combined solitary wave solutions describing the simultaneous propagation of bright and dark solitary waves in a combined form. Based on the Drude model, we discuss the existence conditions and the properties of the combined solitary waves. Furthermore, we analytically and numerically investigate the stability of the combined solitary waves under small perturbations. The results show that bright and dark solitary waves may combine together under certain conditions and propagate stably with a proper form in metamaterials. (C) 2010 Optical Society of America
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