One-step generation of qutrit entanglement via adiabatic passage in cavity quantum electrodynamics

doi:10.1088/1674-1056/20/12/120308

中国物理B ›› 2011, Vol. 20 ›› Issue (12): 120308-120308.doi: 10.1088/1674-1056/20/12/120308

One-step generation of qutrit entanglement via adiabatic passage in cavity quantum electrodynamics

马宋设, 陈美锋, 蒋夏萍

College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China

收稿日期:2011-06-08 修回日期:2011-07-29 出版日期:2011-12-15 发布日期:2011-12-15
基金资助:
Project supported by the Science Foundation of Educational Committee of Fujian Province of China (Grant Nos. JB09012 and JB09013).

One-step generation of qutrit entanglement via adiabatic passage in cavity quantum electrodynamics

Ma Song-She(马宋设)^†, Chen Mei-Feng(陈美锋), and Jiang Xia-Ping(蒋夏萍)

College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China

Received:2011-06-08 Revised:2011-07-29 Online:2011-12-15 Published:2011-12-15
Supported by:
Project supported by the Science Foundation of Educational Committee of Fujian Province of China (Grant Nos. JB09012 and JB09013).

摘要/Abstract

摘要： A scheme is proposed for generating a three-dimensional entangled state for two atoms trapped in a cavity by one step via adiabatic passage. In the scheme, the two atoms are always in ground states and the field mode of the cavity excited is negligible under a certain condition. Therefore, the scheme is very robust against decoherence. Furthermore, it needs neither the exact control of all parameters nor the accurate control of the interaction time. It is shown that qutrit entanglement can be generated with a high fidelity.

Abstract: A scheme is proposed for generating a three-dimensional entangled state for two atoms trapped in a cavity by one step via adiabatic passage. In the scheme, the two atoms are always in ground states and the field mode of the cavity excited is negligible under a certain condition. Therefore, the scheme is very robust against decoherence. Furthermore, it needs neither the exact control of all parameters nor the accurate control of the interaction time. It is shown that qutrit entanglement can be generated with a high fidelity.

Key words: qutrit entanglement, adiabatic passage, cavity quantum electrodynamics

中图分类号: (Entanglement production and manipulation)

03.67.Bg

42.50.Dv (Quantum state engineering and measurements) 42.50.Pq (Cavity quantum electrodynamics; micromasers)

马宋设, 陈美锋, 蒋夏萍. One-step generation of qutrit entanglement via adiabatic passage in cavity quantum electrodynamics[J]. 中国物理B, 2011, 20(12): 120308-120308.

Ma Song-She(马宋设), Chen Mei-Feng(陈美锋), and Jiang Xia-Ping(蒋夏萍) . One-step generation of qutrit entanglement via adiabatic passage in cavity quantum electrodynamics[J]. Chin. Phys. B, 2011, 20(12): 120308-120308.

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One-step generation of qutrit entanglement via adiabatic passage in cavity quantum electrodynamics

One-step generation of qutrit entanglement via adiabatic passage in cavity quantum electrodynamics

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