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Controllable four-wave mixing in a microwave-driven six-level atomic system. (English) Zbl 1175.78020

Summary: A scheme of high-efficiency four-wave mixing (FWM) is discussed in the case of an atomic medium in a six-level configuration via two electromagnetically induced transparencies (EIT) and a multiphoton destructive interference induced transparency. By adjusting the intensity of the microwave field, an increase of several orders in the conversion efficiency of FWM can be obtained. Our scheme may provide new possibilities for technological applications such as nonlinear spectroscopy at very low light intensity, quantum single-photon nonlinear optics and quantum information science.

MSC:

78A60 Lasers, masers, optical bistability, nonlinear optics
81V80 Quantum optics
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