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Proceedings Paper

Copying of quantum information by means of a quantum amplifier
Author(s): Denis V. Sych; Boris A. Grishanin; Victor N. Zadkov
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Paper Abstract

Information aspects of copying quantum states via stimulated emission of an optical quantum amplifier are considered. It is shown that the measurable information very rapidly decreases after amplification of a single photon up to a level of several photons. Spontaneous emission, which leads to such behavior, is also discussed.

Paper Details

Date Published: 22 May 2006
PDF: 5 pages
Proc. SPIE 6256, ICONO 2005: Ultrafast Phenomena and Physics of Superintense Laser Fields; Quantum and Atom Optics; Engineering of Quantum Information, 625611 (22 May 2006); doi: 10.1117/12.682634
Show Author Affiliations
Denis V. Sych, M.V. Lomonosov Moscow State Univ. (Russia)
Boris A. Grishanin, M.V. Lomonosov Moscow State Univ. (Russia)
Victor N. Zadkov, M.V. Lomonosov Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 6256:
ICONO 2005: Ultrafast Phenomena and Physics of Superintense Laser Fields; Quantum and Atom Optics; Engineering of Quantum Information

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