Reduction of quantum noise in optical parametric amplification

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 configu...

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Veröffentlicht in:	Journal of the Optical Society of America. B, Optical physics Optical physics, 1993-11, Vol.10 (11), p.2233-2238
Hauptverfasser:	Levenson, J. A., Grangier, Ph, Abram, I., Rivera, Th
Format:	Artikel
Sprache:	eng
Schlagworte:	Optics Physics
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creator	Levenson, J. A. Grangier, Ph Abram, I. Rivera, Th
description	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-optical amplifier 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 of 9 dB, is clearly in the quantum regime.
doi_str_mv	10.1364/JOSAB.10.002233
format	Article
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B, Optical physics</jtitle><date>1993-11-01</date><risdate>1993</risdate><volume>10</volume><issue>11</issue><spage>2233</spage><epage>2238</epage><pages>2233-2238</pages><issn>0740-3224</issn><eissn>1520-8540</eissn><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-optical amplifier 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 of 9 dB, is clearly in the quantum regime.</abstract><pub>Optical Society of America</pub><doi>10.1364/JOSAB.10.002233</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-1314-2836</orcidid><oa>free_for_read</oa></addata></record>
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subjects	Optics Physics
title	Reduction of quantum noise in optical parametric amplification
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