Copying of quantum information by means of a quantum amplifier

Quantum bio-informatics V : proceedings of the quantum bio-informatics 2011, Tokyo University of Science, Japan, 7-12 March 2011. Quantum Bio-Informatics (Conference) (5th : 2011 : Tokyo, Japan) Pub Date : 2006-04-07 DOI:10.1117/12.683122

D. Sych, B. Grishanin, V. Zadkov

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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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用量子放大器复制量子信息

讨论了光量子放大器受激发射复制量子态的信息问题。结果表明，当单光子放大到几个光子的水平时，可测量的信息迅速减少。本文还讨论了导致这种行为的自发辐射。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Quantum bio-informatics V : proceedings of the quantum bio-informatics 2011, Tokyo University of Science, Japan, 7-12 March 2011. Quantum Bio-Informatics (Conference) (5th : 2011 : Tokyo, Japan)

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