Superposition of Fock states via adiabatic passage in a coupled four-level atom－cavity system

doi:10.1088/1009-1963/13/6/013

中国物理B ›› 2004, Vol. 13 ›› Issue (6): 860-864.doi: 10.1088/1009-1963/13/6/013

Superposition of Fock states via adiabatic passage in a coupled four-level atom－cavity system

龚尚庆¹, 金石琦¹, 李儒新¹, 徐至展¹, 郑振勋²

(1)Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China; (2)Weifang Institute of Supervision and Inspection on Product Quality, Weifang 261031, China

收稿日期:2003-04-24 修回日期:2004-01-13 出版日期:2004-07-05 发布日期:2005-07-05
基金资助:
Project supported by the Special Foundation for State Major Basic Research Programme of China (Grant No G1999075200), the Key Programme of the National Natural Science Foundation of China (Grant No 10234030), and the Natural Science Foundation of Shanghai

Superposition of Fock states via adiabatic passage in a coupled four-level atom－cavity system

Gong Shang-Qing (龚尚庆)^a, Jin Shi-Qi (金石琦)^a, Li Ru-Xin (李儒新)^a, Zheng Zhen-Xun (郑振勋)^b, Xu Zhi-Zhan (徐至展)^a

^a Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China; ^b Weifang Institute of Supervision and Inspection on Product Quality, Weifang 261031, China

Received:2003-04-24 Revised:2004-01-13 Online:2004-07-05 Published:2005-07-05
Supported by:
Project supported by the Special Foundation for State Major Basic Research Programme of China (Grant No G1999075200), the Key Programme of the National Natural Science Foundation of China (Grant No 10234030), and the Natural Science Foundation of Shanghai

摘要/Abstract

摘要： We have investigated the behaviour of an atom－cavity system via a stimulated Raman adiabatic passage technique in a four-level system, in which two dark states are present. We find, because of the coherent control field, that a superposition of Fock states can be prepared, even when the cavity is initially not in its vacuum state. This method provides a way to generate arbitrary quantum states of a cavity field.

关键词: superposition of Fock states, adiabatic passage, cavity QED

Abstract: We have investigated the behaviour of an atom－cavity system via a stimulated Raman adiabatic passage technique in a four-level system, in which two dark states are present. We find, because of the coherent control field, that a superposition of Fock states can be prepared, even when the cavity is initially not in its vacuum state. This method provides a way to generate arbitrary quantum states of a cavity field.

Key words: superposition of Fock states, adiabatic passage, cavity QED

中图分类号: (Cavity quantum electrodynamics; micromasers)

42.50.Pq

03.65.-w (Quantum mechanics)

龚尚庆, 金石琦, 李儒新, 郑振勋, 徐至展. Superposition of Fock states via adiabatic passage in a coupled four-level atom－cavity system[J]. 中国物理B, 2004, 13(6): 860-864.

Gong Shang-Qing (龚尚庆), Jin Shi-Qi (金石琦), Li Ru-Xin (李儒新), Zheng Zhen-Xun (郑振勋), Xu Zhi-Zhan (徐至展). Superposition of Fock states via adiabatic passage in a coupled four-level atom－cavity system[J]. Chinese Physics, 2004, 13(6): 860-864.

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Superposition of Fock states via adiabatic passage in a coupled four-level atom－cavity system

Superposition of Fock states via adiabatic passage in a coupled four-level atom－cavity system

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