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Conferences > CLEOPR > 2001 > WG2 > WG2_3
  • The 4th Pacific Rim Conference on Lasers and Electro-Optics
  • Technical Digest Series (Optica Publishing Group, 2001),
  • paper WG2_3

A Concentration/Purification Scheme for Two Partially Entangled Photon Pairs

Takashi Yamamoto, Masato Koashi, and Nobuyuki Imoto

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Abstract

An experimental scheme for concentrating entanglement in partially entangled photon pairs is proposed. A practical realization of the proposed scheme is discussed, which uses imperfect photon detectors and spontaneous parametric down-conversion as a photon source. This scheme also works for purifying a class of mixed states.

© 2001 IEEE

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