Experimental verification of the commutation relation for Pauli spin operators using single-photon quantum interference

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We report experimental verification of the commutation relation for Pauli spin operators using the single-photon polarization state. The experimental quantum operation corresponding to the commutator, vertical bar I sigma(z), sigma(x)vertical bar = k sigma(y), showed process fidelity of 0.94 compared to the ideal ay operation and vertical bar k vertical bar is determined to be 2.12 +/- 0.18. (C) 2010 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2010-09
Language
English
Article Type
Article
Citation

PHYSICS LETTERS A, v.374, no.43, pp.4393 - 4396

ISSN
0375-9601
DOI
10.1016/j.physleta.2010.09.003
URI
http://hdl.handle.net/10203/247197
Appears in Collection
PH-Journal Papers(저널논문)
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