Optical bistability using quantum coherence in a microwave-driven four-level atomic system |
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Authors: | Zhi-Hong Xiao |
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Institution: | Department of Physics, Inha University, Incheon 402-751, South Korea |
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Abstract: | The behavior of the optical bistability (OB) is investigated in an optical system which consists of a four-level atomic system with a microwave drive field and an optical cavity. It is found that the optical bistability can be accomplished by adjusting different physical parameters in both steady and transient process. Due to the existence of the microwave drive field, the optical bistability can be also obtained even under weak coherent coupling field condition. Since the intensity and phase of microwave drive field can be conveniently modulated, this optical system provides a new experimental method to test the optical bistability theory. |
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Keywords: | Optical bistability Transient response Four-level atomic system Microwave-driven field |
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