期刊
APPLIED PHYSICS B-LASERS AND OPTICS
卷 101, 期 1-2, 页码 283-289出版社
SPRINGER
DOI: 10.1007/s00340-010-4071-1
关键词
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资金
- National Natural Science Foundation of China [60806041, 60808002, 60877055]
- Shanghai Rising-Star Program [08QA14030]
- Shanghai Educational Development Foundation [2007CG52]
- Science and Technology Commission of Shanghai [08JC14097]
- Shanghai Leading Academic Discipline Program [S30105]
- Juan de la Cierva Programme [FIS2009-12773-C02-01]
- Shanghai University [SHUCX092023]
We study the bistable and negative lateral shifts of the reflected light beam from Kretschmann configuration containing left-handed metamaterials with self-focusing and self-defocusing Kerr-type nonlinearity. It is shown that the lateral shifts can be large and negative when the thickness of the middle metal film is smaller than the critical value. Taking the nonlinear effect into account, there exists a hysteretic response between the beam shift and the intensity of the incident light beam. These results suggest that the bistable and negative beam shifts can be modulated by nonlinear coefficients and intensity of incident beam, which might be used in integrated photonics and optical switches.
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