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Conferences > IQEC > 2009 > JWA > JWA86
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper JWA86
  • •https://doi.org/10.1364/CLEO.2009.JWA86

Unconditional Continuous Variable Entanglement Cascading

Xueyuan Hu, Ying Gu, Qihuang Gong, and Guangcan Guo

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Abstract

A sequence of continuous-variable entanglement swapping is studied. We obtain the upper-bound of Gaussian cascaded entanglement and propose an unconditional protocol achieving it. We demonstrate entanglement can be unconditionally cascaded for any nonzero-squeezed entangled sources.

© 2009 Optical Society of America

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