Continuous-wave phase-sensitive parametric image amplification
S. Gigan, L. Lopez, V. Delaubert, N. Treps, C. Fabre, A. Maitre
Abstract
We study experimentally parametric amplification in the continuous regime using a transverse-degenerate type-II Optical Parametric Oscillator operated below threshold. We demonstrate that this device is able to amplify either in the phase insensitive or phase sensitive way first a single mode beam, then a multimode image. Furthermore the total intensities of the amplified image projected on the signal and idler polarizations are shown to be correlated at the quantum level.
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