31 May 2006 Copying of quantum information by means of a quantum amplifier
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Proceedings Volume 6264, Quantum Informatics 2005; 626405 (2006) https://doi.org/10.1117/12.683122
Event: Quantum Informatics 2005, 2005, Moscow, 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, Victor N. Zadkov, "Copying of quantum information by means of a quantum amplifier", Proc. SPIE 6264, Quantum Informatics 2005, 626405 (31 May 2006); doi: 10.1117/12.683122; https://doi.org/10.1117/12.683122
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