Amplification of quantum states and noiseless photon amplifiers

Horace Pak-Hong Yuen*

*Corresponding author for this work

Research output: Contribution to journalArticle

199 Citations (Scopus)

Abstract

It is shown that in principle a device exists which would duplicate a quantum system within a class of quantum states if and only if those quantum states are mutually orthogonal. The possible existence of a related noiseless photon amplifier is also established.

Original languageEnglish (US)
Pages (from-to)405-407
Number of pages3
JournalPhysics Letters A
Volume113
Issue number8
DOIs
StatePublished - Jan 13 1986

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amplifiers
photons

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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title = "Amplification of quantum states and noiseless photon amplifiers",
abstract = "It is shown that in principle a device exists which would duplicate a quantum system within a class of quantum states if and only if those quantum states are mutually orthogonal. The possible existence of a related noiseless photon amplifier is also established.",
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Amplification of quantum states and noiseless photon amplifiers. / Yuen, Horace Pak-Hong.

In: Physics Letters A, Vol. 113, No. 8, 13.01.1986, p. 405-407.

Research output: Contribution to journalArticle

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