Coherent superposition states as quantum rulers

Ralph, T. C. (2002) Coherent superposition states as quantum rulers. Physical Review A, 65 042313: 042313-1-042313-4. doi:10.1103/PhysRevB.65.042313

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Author Ralph, T. C.
Title Coherent superposition states as quantum rulers
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2002-04-01
Sub-type Article (original research)
DOI 10.1103/PhysRevB.65.042313
Open Access Status File (Publisher version)
Volume 65
Issue 042313
Start page 042313-1
End page 042313-4
Total pages 5
Editor Crasemann, B.
Place of publication New York
Publisher American Physcial Society
Collection year 2002
Language eng
Subject C1
240402 Quantum Optics and Lasers
780102 Physical sciences
02 Physical Sciences
Abstract We explore the sensitivity of an interferometer based on a quantum circuit for coherent states. We show that its sensitivity is at the Heisenberg limit. Moreover, we show that this arrangement can measure very small length intervals.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Phase-shifts
Limit
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Physical Sciences Publications
 
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Created: Tue, 14 Aug 2007, 17:49:28 EST