Implementation of nonlocal Bell-state measurement and quantum information transfer with weak Kerr nonlinearity

doi:10.1088/1674-1056/20/12/120307

Abstract We propose a protocol to implement the nonlocal Bell-state measurement, which is nearly determinate with the help of weak cross-Kerr nonlinearities and quantum non-destructive photon number resolving detection. Based on the nonlocal Bell-state measurement, we implement the quantum information transfer from one place to another. The process is different from conventional teleportation but can be regarded as a novel form of teleportation without entangled channel and classic communication.

Keywords: weak cross-Kerr nonlinearities nonlocal Bell-state measurement quantum information transfer

Received: 02 June 2011
Revised: 04 July 2011
Accepted manuscript online:

PACS:	03.67.-a	(Quantum information)
	42.50.Ex	(Optical implementations of quantum information processing and transfer)
	42.65.-k	(Nonlinear optics)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61068001 and 11064016).

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Bai Juan(白娟), Guo Qi(郭奇), Cheng Liu-Yong(程留永), Shao Xiao-Qiang(邵晓强), Wang Hong-Fu(王洪福), Zhang Shou(张寿), and Yeon Kyu-Hwang Implementation of nonlocal Bell-state measurement and quantum information transfer with weak Kerr nonlinearity 2011 Chin. Phys. B 20 120307

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Implementation of nonlocal Bell-state measurement and quantum information transfer with weak Kerr nonlinearity

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