Quantum phase amplification

G. M. D’Ariano, C. Macchiavello, N. Sterpi, Horace Pak-Hong Yuen

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

A scheme for amplifying phase shifts is presented, based on ideal photon number deamplification. For high-sensitivity measurements phase amplification sizeably reduces the bit-error rate and enhances the mutual information retrieved from the measurement. Phase-coherent states preserve their coherence under amplification, and achieve the best amplifier performance.

Original languageEnglish (US)
Pages (from-to)4712-4718
Number of pages7
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume54
Issue number6
DOIs
StatePublished - Jan 1 1996

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bit error rate
phase shift
amplifiers
photons

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

D’Ariano, G. M. ; Macchiavello, C. ; Sterpi, N. ; Yuen, Horace Pak-Hong. / Quantum phase amplification. In: Physical Review A - Atomic, Molecular, and Optical Physics. 1996 ; Vol. 54, No. 6. pp. 4712-4718.
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Quantum phase amplification. / D’Ariano, G. M.; Macchiavello, C.; Sterpi, N.; Yuen, Horace Pak-Hong.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 54, No. 6, 01.01.1996, p. 4712-4718.

Research output: Contribution to journalArticle

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AU - Sterpi, N.

AU - Yuen, Horace Pak-Hong

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