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Proceedings Paper

Effect of decoherence in quantum reading with phase shift keying signal of entangled coherent states
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Paper Abstract

It has been reported that error-free quantum reading of a classical digital memory is possible when the entangled coherent state |a〉 |a〉– |– a〉|–a〉 is used as the probe state for quantum reading with binary phase shift keying format under the assumption that the channel is noiseless [quant-ph/1108.4163v2]. In this paper, the theoretical performance limits of the minimum error probability and classical capacity of quantum reading with binary phase shift keying entangled coherent state signal are investigated in the presence of channel loss.

Paper Details

Date Published: 26 September 2013
PDF: 14 pages
Proc. SPIE 8875, Quantum Communications and Quantum Imaging XI, 88750P (26 September 2013); doi: 10.1117/12.2023151
Show Author Affiliations
Kentaro Kato, Tamagawa Univ. (Japan)
Osamu Hirota, Tamagawa Univ. (Japan)


Published in SPIE Proceedings Vol. 8875:
Quantum Communications and Quantum Imaging XI
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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