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Journal Articles Journal of the Optical Society of America B Year : 1993

Reduction of quantum noise in optical parametric amplification

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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.
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Dates and versions

hal-00870996 , version 1 (08-10-2013)

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  • HAL Id : hal-00870996 , version 1

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Juan Ariel Levenson, Izo Abram, Thomas Rivera, Philippe Grangier. Reduction of quantum noise in optical parametric amplification. Journal of the Optical Society of America B, 1993, 10 (11), pp.2233-2238. ⟨hal-00870996⟩
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