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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 2816–2822

Enhancing entangled-state phase estimation by combining classical and quantum protocols

Heedeuk Shin, Omar S. Magaña-Loaiza, Mehul Malik, Malcolm N. O’Sullivan, and Robert W. Boyd  »View Author Affiliations


Optics Express, Vol. 21, Issue 3, pp. 2816-2822 (2013)
http://dx.doi.org/10.1364/OE.21.002816


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Abstract

Here we describe a laboratory procedure by which we have increased the resolution of a measurement of the position of an optical component by a factor of 16. The factor of 16 arises from a four-fold quantum enhancement through the use of an N = 4 N00N state and a four-fold classical enhancement from a quadruple pass through a prism pair. The possibility of achieving supersensitivity using this method is discussed.

© 2013 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: November 21, 2012
Revised Manuscript: January 9, 2013
Manuscript Accepted: January 9, 2013
Published: January 29, 2013

Citation
Heedeuk Shin, Omar S. Magaña-Loaiza, Mehul Malik, Malcolm N. O’Sullivan, and Robert W. Boyd, "Enhancing entangled-state phase estimation by combining classical and quantum protocols," Opt. Express 21, 2816-2822 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-3-2816


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