Complementary Classical Fidelities as an Efficient Criterion for the Evaluation of Experimentally Realized Quantum Operations

Physical Review Letters Volume 94 Issue 16 Page 160504-1-160504-4 published_at 2005-04-29
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Title ( eng )
Complementary Classical Fidelities as an Efficient Criterion for the Evaluation of Experimentally Realized Quantum Operations
Creator
Source Title
Physical Review Letters
Volume 94
Issue 16
Start Page 160504-1
End Page 160504-4
Abstract
It is shown that a good estimate of the fidelity of an experimentally realized quantum process can be obtained by measuring the outputs for only two complementary sets of input states. The number of measurements required to test a quantum network operation is therefore only twice as high as the number of measurements required to test a corresponding classical system.
Language
eng
Resource Type journal article
Publisher
American Physical Society
Date of Issued 2005-04-29
Rights
Copyright (c) 2005 American Physical Society.
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.94.160504
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.94.160504