Title: Purification of single qubits by collinear photons
Authors: Odate, Satoru
Takeno, Yuishi
Kobayashi, Takayoshi
電子物理學系
Department of Electrophysics
Issue Date: 1-Mar-2007
Abstract: We have demonstrated purification of a single qubit by two collinear photons, one of which was time-delayed. Our method can be applied to a single qubit many times, and the qubit can be purified to an arbitrarily high degree of purity. Thus, by repeating this method we can make the statistical error that single qubits incur along a transmission channel much smaller.
URI: http://dx.doi.org/10.1103/PhysRevA.75.034306
http://hdl.handle.net/11536/11098
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.75.034306
Journal: PHYSICAL REVIEW A
Volume: 75
Issue: 3
Begin Page: 0
End Page: 0
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