STUDIES ON THE DYNAMICS OF OPTICAL BISTABILITY SWITCHING IN THE INTERNAL FABRY-PEROT CAVITY WITH A CdSxSe1-x-DOPED GLASS CHANNEL WAVEGUIDE |
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| Affiliation: | Institute for Lasers and Spectroscopy, Zhongshan University, Guangzhou 510275, China; Changchun Institute for physics, Academia Sinica, Changchun 130021, China |
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| Abstract: | We report the optical bistability in CdSxSe1-x-doped glass channel waveguide with rise and fall times of about 24 and 30ps, respectively, in bistable switching by means of fiber coupling input with a power of about 3mW. The third-order nonlinear susceptibility ($chi$(3)) of CdSxSe1-x-doped glass is estimated experimentally to be 1.8×10-9 esu. The high speed switching and the value of $chi$(1) show that the optical bistability is caused by an optical nonlinearity which can be attributed to the band-filling effect. |
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