Near-complete teleportation of a superposed coherent state

The four Bell-type entangled coherent states, \alpha]\-alpha]+/-alpha]\alpha] and \alpha]\alpha]+/-\-alpha]\alpha], can be discriminated with a high probability using only linear optical means, as long as \alpha\ is not too small. Based on this observation, we propose a simple scheme to almost completely teleport a superposed coherent state. The nonunitary transformation that is required to complete the teleportation can be achieved by embedding the receiver's field state in a larger Hilbert space consisting of the field and a single atom and performing a unitary transformation on this Hilbert space.
Publisher
AMER PHYSICAL SOC
Issue Date
2004-09
Language
ENG
Description

©2004 The American Physical Society URL: http://link.aps.org/abstract/PRA/v70/e032327 doi:10.1103/PhysRevA.70.032327 PACS: 03.67.Hk, 03.65.Ud, 42.50.-p

Keywords

PODOLSKY-ROSEN CHANNELS; QUANTUM TELEPORTATION; EXPERIMENTAL REALIZATION; SCHEME; CAVITY; GENERATION; PHOTONS; ATOMS; EVEN

Citation

PHYSICAL REVIEW A, v.70, pp.393 - 398

ISSN
1050-2947
DOI
10.1103/PhysRevA.70.032327
URI
http://hdl.handle.net/10203/1540
Appears in Collection
PH-Journal Papers(저널논문)
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