Nonunity gain quantum nondemolition measurements based on measurement and repreparation
Optics Letters, Vol. 31, Issue 17, pp. 2628-2630 (2006)
http://dx.doi.org/10.1364/OL.31.002628
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Abstract
We demonstrate experimentally a nonunity gain quantum nondemolition measurement based on a simple homodyne measurement and recreation strategy. Although the output state is an amplified version of the input state, the device meets standard criteria for QND measurements: the transfer coefficient was measured to 1.78, and the conditional variance was measured to 0.66.
© 2006 Optical Society of America
OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.5570) Quantum optics : Quantum detectors
(270.6570) Quantum optics : Squeezed states
ToC Category:
Quantum Optics
History
Original Manuscript: May 15, 2006
Manuscript Accepted: May 25, 2006
Published: August 9, 2006
Citation
Jessica Schneider, Oliver Glöckl, Gerd Leuchs, and Ulrik L. Andersen, "Nonunity gain quantum nondemolition measurements based on measurement and repreparation," Opt. Lett. 31, 2628-2630 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-17-2628
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