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20 February 1998 Optical bistability in a ZnTe/CdZnTe multiple quantum well optical bistable device at room temperature
Hongyu Li, De Zen Shen, Zhuhong Zheng, Jiulin Lin, Jiying Zhang
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Proceedings Volume 3175, Third International Conference on Thin Film Physics and Applications; (1998) https://doi.org/10.1117/12.300719
Event: Third International Conference on Thin Film Physics and Applications, 1997, Shanghai, China
Abstract
The band edge nonlinear absorption in ZnTe/CdZnTe multiple quantum wells (MQWs) is studied at room temperature. It is found that the exciton absorption peak tends to saturate, broaden and the absorption edge shift to lower energy side with increasing of pump intensities. The optical bistability in ZnTe/CdZnTe MQWs optical bistable device is investigated on transmission at room temperature. The research result indicates that the threshold and contrast ratio for the optical bistability in ZnTe/CdZnTe MQWs optical bistable device are about 292.5 kW/cm2 and 3:1, respectively.
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Hongyu Li, De Zen Shen, Zhuhong Zheng, Jiulin Lin, and Jiying Zhang "Optical bistability in a ZnTe/CdZnTe multiple quantum well optical bistable device at room temperature", Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); https://doi.org/10.1117/12.300719
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KEYWORDS
Bistability
Quantum wells
Absorption
Quantum optics
Excitons
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