Copying of quantum information by means of a quantum amplifier

Denis V. Sych; Boris A. Grishanin; Victor N. Zadkov

doi:10.1117/12.682634

22 May 2006 Copying of quantum information by means of a quantum amplifier

Denis V. Sych, Boris A. Grishanin, Victor N. Zadkov

Proceedings Volume 6256, ICONO 2005: Ultrafast Phenomena and Physics of Superintense Laser Fields; Quantum and Atom Optics; Engineering of Quantum Information; 625611 (2006) https://doi.org/10.1117/12.682634
Event: ICONO 2005, 2005, St. Petersburg, Russian Federation

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.

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Denis V. Sych, Boris A. Grishanin, and Victor N. Zadkov "Copying of quantum information by means of a quantum amplifier", 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); https://doi.org/10.1117/12.682634

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