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Polarization entanglement purification using spatial entanglement | Christoph Simon
; Jian-Wei Pan
; | Date: |
16 Dec 2002 | Journal: | Phys Rev Lett, 89 (25), 257901 | Abstract: | We present a scheme for entanglement purification with linear optics that works for currently available parametric down-conversion sources, in contrast to a previous scheme [J. W. Pan, Nature (London) 410, 1067 (2001)]] that relied on ideal single-pair sources. The present scheme makes use of spatial entanglement in order to purify polarization entanglement. Surprisingly, spatial entanglement as an additional resource also leads to a substantial improvement in entanglement output compared to the previous scheme. | Source: | PubMed, pmid12484922 | Other source: | [GID 289713] quant-ph/0108063 | Services: | Forum | Review | Favorites |
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