Chin. Phys. Lett.  2001, Vol. 18 Issue (8): 1072-1073    DOI:
Original Articles |
Quantum State Engineering by Superpositions of Coherent States along a Straight Line in Cavity Quantum Electrodynamics
ZHENG Shi-Biao
Department of Electronic Science and Applied Physics, Fuzhou University, Fuzhou 350002
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ZHENG Shi-Biao 2001 Chin. Phys. Lett. 18 1072-1073
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Abstract A scheme is proposed for generating the superpositions of several coherent states in a cavity field with dispersive cavity quantum electrodynamics (QED). In the scheme, a sequence of atoms interact dispersively with the cavity field, connected with a microwave source, and is manipulated by classical fields, followed by state-selective measurements. In this way, the cavity field is collapsed onto a superposition of several coherent states along a straight line with controllable coefficients.This scheme provides the possibility for quantum state engineering via coherent-state superpositions in cavity QED for the first time.
Keywords: 42.50.Dv     
Published: 01 August 2001
PACS:  42.50.Dv (Quantum state engineering and measurements)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2001/V18/I8/01072
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