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Optical Bistability in Incident-Dependent Two-Dimensional Nonlinear Optical Superlattices |
CHEN Xiang-fei;LU Ya-lin;LU Yan-qing;MIN Nai-ben1(N. B. Ming) |
National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093
1also CCAST (World Laboratory), P. O. Box 8730, Beijing 100080
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Cite this article: |
CHEN Xiang-fei, LU Ya-lin, LU Yan-qing et al 1996 Chin. Phys. Lett. 13 913-915 |
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Abstract It is shown that, when two coherent waves are obliquely incident to a one-dimensional nonlinear optical superlattice containing Kerr-form dielectric nonlinearity, an incident-dependent two-dimensional nonlinear optical superlattice can be constructed. This structure can be bistable. There exist two types of optical bistable mechanism, i. e., the index-modulation mechanism and distributed feedback mechanism. Owing to the index-modulation mechanism, the threshold for the bistability is lower than that of a more traditional one-dimensional distributed feedback structure.
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Keywords:
42.65.Pc
42.25.Fx
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Published: 01 December 1996
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PACS: |
42.65.Pc
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(Optical bistability, multistability, and switching, including local field effects)
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42.25.Fx
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(Diffraction and scattering)
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