Electromagnetically induced transparency and theoretical slow light in semiconductor multiple quantum wells |
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| Authors: | W Yan T Wang X M Li Y J Jin |
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| Institution: | 1. Wuhan National Laboratory for Optoelectronics, College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, P.R. China
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| Abstract: | We report an experimental demonstration of electromagnetically induced transparency in the transient optical response in a cascade-type three-level system of GaAs/AlGaAs multiple quantum wells, and analyze the cascade-type three-level schemes with density matrix and Maxwell equations to then obtain the phase shift, group velocity, and group-velocity dispersion. The calculated group velocity is ??6.87×104?m/s and the corresponding pulse delay is ??7?ps. Finally, we provide a convenient basis for investigating many-body effects in semiconductors. |
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