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Destructive Interference in a v-Type Coherently Driven Mazer |
| XIONG Jin;ZENG Gui-Hua |
| Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200030 |
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| Cite this article: |
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XIONG Jin, ZENG Gui-Hua 2005 Chin. Phys. Lett. 22 869-872 |
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Abstract We derive an expression of the interaction between a quantum cavity field and an ultracold Λ-type three-level atom in which two upper levels are coupled by a coherent driving field. The effects of the driving-induced atomic coherence on the atomic emission probability are investigated. It is found that, due to the driving-induced atomic coherence, there are two transition channels for the atom interacting with the cavity field. Between the two transition channels, there is a quantum interference, which is a destructive interference. This destructive quantum interference suppresses the emission of the atom. The atomic emission probability decreases with the increasing driving field.
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| Keywords:
42.50.Ct
32.80.Pj
42.50.Gy
84.40.Ik
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Published: 01 April 2005
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| PACS: |
42.50.Ct
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(Quantum description of interaction of light and matter; related experiments)
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32.80.Pj
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42.50.Gy
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(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)
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84.40.Ik
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(Masers; gyrotrons (cyclotron-resonance masers))
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