Experimental Realization of an Approximate Partial Transpose for Photonic Two-Qubit Systems

Title
Experimental Realization of an Approximate Partial Transpose for Photonic Two-Qubit Systems
Authors
임향택김용수라영식배준우김윤호
Issue Date
2011-10
Publisher
Physical review letters
Citation
VOL 107, NO 16-160401-5
Abstract
We report the first experimental realization of an approximate partial transpose for photonic two-qubit systems. The proposed scheme is based on the local operation on single copies of quantum states and classical communication, and therefore can be easily applied for other quantum information tasks within current technologies. Direct detection of entanglement, i.e., without performing quantum state tomography, using the partial transpose operation, is also demonstrated.
URI
http://pubs.kist.re.kr/handle/201004/69891
ISSN
0031-9007
Appears in Collections:
KIST Publication > Article
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