论文信息 - Sub-shot-noise measurements using the beat note between quantum-correlated photon beams

Sub-shot-noise measurements using the beat note between quantum-correlated photon beams

We propose a new method for optical measurements below the shot-noise limit. The method is based on detecting the beat note between the two quantum-correlated beams emitted by a nondegenerate optical parametric oscillator operating above threshold. Such a method can be used to enhance the sensitivity of light-scattering and polarization-rotation measurements.

J. J. Snyder | C. Fabre | A. Heidmann | E. Giacobino | M. Ducloy

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