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Proceedings Paper

Heisenberg-limited quantum sensing and metrology with superpositions of twin-Fock states
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Paper Abstract

We discuss the prospects of performing Heisenberg-limited quantum sensing and metrology using a Mach-Zehnder interferometer with input states that are superpositions of twin-Fock states and where photon number parity measurements are made on one of the output beams of the interferometer. This study is motivated by the experimental challenge of producing twin-Fock states on opposite sides of a beam splitter. We focus on the use of the so-called pair coherent states for this purpose and discuss a possible mechanism for generating them. We also discuss the prospect of using other superstitions of twin-Fock states, for the purpose of interferometry.

Paper Details

Date Published: 12 February 2011
PDF: 20 pages
Proc. SPIE 7948, Advances in Photonics of Quantum Computing, Memory, and Communication IV, 79480D (12 February 2011); doi: 10.1117/12.873201
Show Author Affiliations
Christopher C. Gerry, Lehman College (United States)
Jihane Mimih, Lehman College (United States)


Published in SPIE Proceedings Vol. 7948:
Advances in Photonics of Quantum Computing, Memory, and Communication IV
Zameer Ul Hasan; Philip R. Hemmer; Hwang Lee; Charles M. Santori, Editor(s)

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