Slow light between two absorbing resonance in asymmetry double quantum dots |
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Authors: | ChunChao Yu Tao Wang |
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Affiliation: | 15875. Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China 25875. College of Physical Science and Technology, Yangtze University, Jingzhou, 434023, China
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Abstract: | We demonstrate the slow light in double quantum dots (QDs) resonance dispersion material in theory. The slow factor, absorption, and bandwidth are greatly influenced by the energy difference of the two resonance energy. The bandwidth of this system is up to 60 GHz. The 20 ps input signal pulse is delayed by 180 ps (group index of approximately 55) relative to free-space propagation with little broadening in 1 mm dispersion material for the optical communication wavelength. The signal pulse delay can be tuned by the pump pulse. |
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