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Optimal Photon Blockade on the Maximal Atomic Coherence

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Indexed by:期刊论文

Date of Publication:2016-12-01

Journal:INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS

Included Journals:SCIE

Volume:55

Issue:12

Page Number:5239-5249

ISSN No.:0020-7748

Key Words:Quantum coherence; Quantum optics; Photon statistics

Abstract:There is generally no obvious evidence in any direct relation between photon blockade and atomic coherence. Here instead of only illustrating the photon statistics, we show an interesting relation between the steady-state photon blockade and the atomic coherence by designing a weakly driven cavity QED system with a two-level atom trapped. It is shown for the first time that the maximal atomic coherence has a perfect correspondence with the optimal photon blockade. The negative effects of the strong dissipations on photon statistics, atomic coherence and their correspondence are also addressed. The numerical simulation is also given to support all of our results.

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