Abstract
We report the optical bistability in CdSxSe1-x-doped glass channel waveguide with rise and fall times of about 24 and 30 ps, respectively, in bistable switching by means of fiber coupling input with a power of about 3 mW. The third-order nonlinear susceptibility (χ(3)) of CdSxSe1-x-doped glass is estimated experimentally to be 1.8 × 10-9 esu. The high speed switching and the value of χ(3) show that the optical bistability is caused by an optical nonlinearity which can be attributed to the band-filling effect.
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More From: Acta Physica Sinica (Overseas Edition)
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