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Title: Beam splitter entangler for light fields
Authors: Feng, X.-L. 
Li, R.-X.
Xu, Z.-Z.
Issue Date: 1-Mar-2005
Citation: Feng, X.-L., Li, R.-X., Xu, Z.-Z. (2005-03-01). Beam splitter entangler for light fields. Physical Review A - Atomic, Molecular, and Optical Physics 71 (3) : -. ScholarBank@NUS Repository.
Abstract: We propose an experimentally feasible scheme to generate various types of entangled states of light fields by using beam splitters and single-photon detectors. Two beams of light fields are incident on two beam splitters respectively with each beam being asymmetrically split into two parts in which one part is supposed to be so weak that it contains at most one photon. We let the two weak output modes interfere at a third beam splitter. A conditional joint measurement on both weak output modes may result in an entanglement between the other two output modes. The conditions for the maximal entanglement are discussed based on the concurrence. Several specific examples are also examined. © 2005 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.71.032335
Appears in Collections:Staff Publications

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