Generalized measurement and conclusive teleportation with nonmaximal entanglement

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We present linear optical schemes to perform generalized measurements for conclusive teleportation when the sender and the receiver share nonmaximal entanglement resulting from amplitude errors during propagation or generation. Three different cases are considered for which the states to be teleported are unknown superpositions of (a) single-photon and vacuum states, (b) vertically polarized and horizontally polarized photon states, and (c) two coherent states of opposite phases. The generalized measurement scheme for each case is analyzed, which indicates that the success probability is much more resistant to amplitude errors for case (c) than for case (a) or (b).
Publisher
AMER PHYSICAL SOC
Issue Date
2004-07
Language
English
Article Type
Article
Description

©2004 The American Physical Society URL: http://link.aps.org/abstract/PRA/v70/e012309 doi:10.1103/PhysRevA.70.012309 PACS: 03.67.Mn, 03.67.Hk, 42.50.Dv

Keywords

PODOLSKY-ROSEN CHANNELS; QUANTUM STATE; EXPERIMENTAL REALIZATION; PHOTON COUNTER; DETECTORS; LIGHT

Citation

PHYSICAL REVIEW A, v.70, pp.2473 - 2473

ISSN
1050-2947
DOI
10.1103/PhysRevA.70.012309
URI
http://hdl.handle.net/10203/1539
Appears in Collection
PH-Journal Papers(저널논문)
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