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Conferences > QELS > 2012 > QM4C > QM4C.4

Entanglement Enhancement with cascaded nondegenerate optical parametric amplifier

Xiaojun Jia, Zhihui Yan, Zhiyuan Duan, Changde Xie, and Kunchi Peng

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Abstract

We experimentally demonstrate the cascaded entanglement enhancement of continuous variables. The quantum correlations are successively enhanced by two nondegenerate optical parametric amplifiers from −5.3 dB to −8.1 dB below quantum noise limit.

© 2012 Optical Society of America

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