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Phys. Rev. A 65, 012313 (2001) [5 pages]

Continuous-variable teleportation of single-photon states

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Toshiki Ide1, Holger F. Hofmann2, Takayoshi Kobayashi1, and Akira Furusawa3
1Department of Physics, Faculty of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
2CREST, Japan Science and Technology Corporation (JST), Research Institute for Electronic Science, Hokkaido University, Sapporo 060-0812, Japan
3Department of Applied Physics, Faculty of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan

Received 4 April 2001; revised 30 July 2001; published 12 December 2001

The properties of continuous-variable teleportation of single-photon states are investigated. The output state is different from the input state due to the nonmaximal entanglement in the Einstein-Podolsky-Rosen beams. The photon statistics of the teleportation output are determined and the correlation between the field information β obtained in the teleportation process and the change in photon number is discussed. The results of the output photon statistics are applied to the transmission of a qubit encoded in the polarization of a single photon.


©2001 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.65.012313
DOI: 10.1103/PhysRevA.65.012313
PACS: 03.67.Lx, 42.50.-p

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