期刊
JOURNAL OF MODERN OPTICS
卷 56, 期 7, 页码 936-939出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340902822341
关键词
heralded entanglement; parametric down-conversion; GHZ-type entanglement
类别
资金
- National Fundamental Research Program [2006CB921907, 2009CB929601]
- National Natural Science Foundation of China [60621064, 10674128, 10774139]
- Innovation Funds from Chinese Academy of Sciences
- 'Hundreds of Talents' program of Chinese Academy of Sciences
- Program for New Century Excellent Talents in University
- National Excellent Doctoral Dissertation of PR China [200729]
We propose a scheme to generate an N-photon GHZ-type polarization-entangled state from 2N - 1 parametric down-conversion sources, by using only linear optical elements and projective measurements. Successful preparation is heralded by detecting 3N - 2 photons with ideal number-resolving photon detectors.
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