Two-dimensional atom localization induced by a squeezed vacuum

doi:10.1088/1674-1056/25/10/104201

中国物理B ›› 2016, Vol. 25 ›› Issue (10): 104201-104201.doi: 10.1088/1674-1056/25/10/104201

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Two-dimensional atom localization induced by a squeezed vacuum

Fei Wang(王飞), Jun Xu(徐俊)

1 College of Science, China Three Gorges University, Yichang 443002, China;
2 College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China

收稿日期:2015-12-31 修回日期:2016-06-14 出版日期:2016-10-05 发布日期:2016-10-05
通讯作者: Fei Wang E-mail:feiwang202@163.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11574179 and 11204099) and the Natural Science Foundation of Hubei Province, China (Grant No. 2014CFC1148).

Two-dimensional atom localization induced by a squeezed vacuum

Fei Wang(王飞)¹, Jun Xu(徐俊)²

1 College of Science, China Three Gorges University, Yichang 443002, China;
2 College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China

Received:2015-12-31 Revised:2016-06-14 Online:2016-10-05 Published:2016-10-05
Contact: Fei Wang E-mail:feiwang202@163.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11574179 and 11204099) and the Natural Science Foundation of Hubei Province, China (Grant No. 2014CFC1148).

摘要/Abstract

摘要： A scheme of two-dimensional (2D) atom localization induced by a squeezed vacuum is proposed, in which the three-level V-type atoms interact with two classical standing-wave fields. It is found that when the environment is changed from an ordinary vacuum to a squeezed vacuum, the 2D atom localization is realized by detecting the position-dependent resonance fluorescence spectrum. For comparison, we demonstrate that the atom localization originating from the quantum interference effect is distinct from that induced by a squeezed vacuum. Furthermore, the combined effects of the squeezed vacuum and quantum interference are also discussed under appropriate conditions. The internal physical mechanism is analyzed in terms of dressed-state representation.

关键词: atom localization, squeezed vacuum, resonance fluorescence

Abstract: A scheme of two-dimensional (2D) atom localization induced by a squeezed vacuum is proposed, in which the three-level V-type atoms interact with two classical standing-wave fields. It is found that when the environment is changed from an ordinary vacuum to a squeezed vacuum, the 2D atom localization is realized by detecting the position-dependent resonance fluorescence spectrum. For comparison, we demonstrate that the atom localization originating from the quantum interference effect is distinct from that induced by a squeezed vacuum. Furthermore, the combined effects of the squeezed vacuum and quantum interference are also discussed under appropriate conditions. The internal physical mechanism is analyzed in terms of dressed-state representation.

Key words: atom localization, squeezed vacuum, resonance fluorescence

中图分类号: (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

42.50.Gy

32.80.Qk (Coherent control of atomic interactions with photons)

王飞, 徐俊. Two-dimensional atom localization induced by a squeezed vacuum[J]. 中国物理B, 2016, 25(10): 104201-104201.

Fei Wang(王飞), Jun Xu(徐俊). Two-dimensional atom localization induced by a squeezed vacuum[J]. Chin. Phys. B, 2016, 25(10): 104201-104201.

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Two-dimensional atom localization induced by a squeezed vacuum

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