Phase-dependent optical bistability and multistability in a semiconductor quantum well system |
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Authors: | Zhiping Wang Hongyi Fan |
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Affiliation: | Department of Material Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China |
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Abstract: | We theoretically investigate the hybrid absorptive-dispersive optical bistability and multistability in a four-level inverted-Y quantum well system inside a unidirectional ring cavity. We find that the coupling field, the pumping field as well as the cycling field can affect the optical bistability and multistability dramatically, which can be used to manipulate efficiently the threshold intensity and the hysteresis loop. The effects of the relative phase and the electronic cooperation parameter on the OB and OM are also studied. Our study is much more practical than its atomic counterpart due to its flexible design and the wide adjustable parameters. Thus, it may provide some new possibilities for technological applications in optoelectronics and solid-state quantum information science. |
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Keywords: | Optical bistability Optical multistability Semiconductor quantum well |
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