Please use this identifier to cite or link to this item: https://doi.org/10.3788/COL201210.042701
Title: Improvement on controlled-controlled-NOT operation-based entanglement purification protocol
Authors: Xu, Y.
Feng, X. 
Zhang, Z.
Issue Date: Apr-2012
Source: Xu, Y., Feng, X., Zhang, Z. (2012-04). Improvement on controlled-controlled-NOT operation-based entanglement purification protocol. Chinese Optics Letters 10 (4) : 1-. ScholarBank@NUS Repository. https://doi.org/10.3788/COL201210.042701
Abstract: We show that controlled-controlled-NOT (CCN) operation-based entanglement purification protocol can be further improved. CCN protocol requires Bell state measurements after performing the CCN operations. In the original CCN protocol, the measured states are assumed to be destroyed. However, if controlled-NOT gates are used to perform such Bell state measurements, in some unsuccessful situations of the CCN protocol, one can further purify the two mixed entangled states which are to be measured. In this way, the total efficiency of the CCN protocol is further increased. © 2012 Chinese Optics Letters.
Source Title: Chinese Optics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/112452
ISSN: 16717694
DOI: 10.3788/COL201210.042701
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