DocumentCode
521096
Title
Entanglement-enhanced measurement of a completely unknown phase
Author
Berry, D.W. ; Xiang, G.Y. ; Higgins, B.L. ; Wiseman, H.M. ; Pryde, G.J.
Author_Institution
Inst. for Quantum Comput., Univ. of Waterloo, Waterloo, ON, Canada
fYear
2010
fDate
16-21 May 2010
Firstpage
1
Lastpage
2
Abstract
We demonstrate a method for achieving phase measurements with accuracy beyond the standard quantum limit using entangled states. A sophisticated feedback scheme means that no initial estimate of the phase is required.
Keywords
Metrology; Optical feedback; Optical fiber polarization; Optical interferometry; Phase detection; Phase estimation; Phase measurement; Phase shifting interferometry; Quantum computing; Quantum entanglement;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location
San Jose, CA, USA
Print_ISBN
978-1-55752-890-2
Electronic_ISBN
978-1-55752-890-2
Type
conf
Filename
5500705
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