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Experimental demonstration of continuous-variable entanglement of phase-locked bright beams

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Abstract

We observed continuous-variable entanglement between two bright beams emitted above threshold by a phase-difference-locked ultrastable optical parametric oscillator. The squeezing about HWHM is –3 dB for amplitude-difference and –1.35 dB for phase-sum.

© 2006 Optical Society of America

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