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Titolo:
REDUCTION OF QUANTUM-NOISE IN OPTICAL PARAMETRIC AMPLIFICATION
Autore:
LEVENSON JA; ABRAM I; RIVERA T; GRANGIER P;
Indirizzi:
FRANCE TELECOM,CTR NATL ETUD TELECOMMUN,PARIS B,BP 107 F-92225 BAGNEUX FRANCE INST OPT F-91403 ORSAY FRANCE
Titolo Testata:
Journal of the Optical Society of America. B, Optical physics
fascicolo: 11, volume: 10, anno: 1993,
pagine: 2233 - 2238
SICI:
0740-3224(1993)10:11<2233:ROQIOP>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
LIMITS; LIGHT; AMPLIFIERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
J.A. Levenson et al., "REDUCTION OF QUANTUM-NOISE IN OPTICAL PARAMETRIC AMPLIFICATION", Journal of the Optical Society of America. B, Optical physics, 10(11), 1993, pp. 2233-2238

Abstract

We experimentally demonstrate that a type-II pulsed optical parametric amplifier operated in a phase-insensitive configuration works as a near-perfect classical optical amplifier whose noise figure approaches 3 dB at high gains. We further demonstrate that, when operated in a phase-sensitive configuration, this amplifier works as a quantum-opticalamplifier whose noise figure goes below 3 dB and approaches 0 dB at high gains. The noise figure of 1.45 +/- 0.2 dB, measured for a gain of9 dB, is clearly in the quantum regime.

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Documento generato il 12/07/20 alle ore 06:36:01