Abstract
We study the optical amplification and absorption properties in a double-Λ four level system of GaAs/AlGaAs multiple quantum wells (MQWs) under realistic experimental conditions. The amplification and absorption responses of two weak fields can be achieved by adjusting the relative phase, the probe detuning, and the two pump Rabi frequencies appropriately. The investigation is much more practical than its atomic counterpart because of its flexible design and the wide adjustable parameters. It may provide a new possibility in technological applications for the light amplifier working on quantum coherence effects in MQWs solid-state system.
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Yan, W., Wang, T., Li, X. et al. Tunable amplification and absorption properties in double-Λ system of GaAs/AlGaAs multiple quantum wells. Chin. Sci. Bull. 58, 53–58 (2013). https://doi.org/10.1007/s11434-012-5399-1
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DOI: https://doi.org/10.1007/s11434-012-5399-1