NDLI: General Cramér-Rao bound for parameter estimation using Gaussian multimode quantum resources

Content Provider	IEEE Xplore Digital Library
Author	Pinel, O. Treps, N. Fabre, C. Fade, J.
Copyright Year	2011
Description	Author affiliation: Institut de Physique de Rennes, Université Rennes 1, CNRS, Campus de Beaulieu 263 av. Général Leclerc 35042, France (Fade, J.) \|\| Laboratoire Kastler Brossel, Université Pierre et Marie Curie,ENS, CNRS; 4 place Jussieu, 75252 Paris, France (Pinel, O.; Treps, N.; Fabre, C.)
Abstract	Multimode Gaussian quantum light, which includes coherent light, but also all kinds of multimode squeezed and/or multipartite quadrature entangled states, is a very general and powerful quantum resource that is now currently produced in various laboratories in the world, and is successfully used in various applications to quantum information processing[1]. In contrast to non-classical states based on the manipulation of Fock states (such as the NOON states), such quantum light can be produced with very high values of the mean photon number N (up to $10^{16}).$ It is therefore a very good candidate for quantum metrology purposes, i.e. to improve as much as possible the estimation of a parameter p that is encoded on the spatio-temporal variation of a light beam, as all the limits in parameter estimation scale with some inverse power of N.
Starting Page	1
Ending Page	1
File Size	81893
Page Count	1
File Format	PDF
ISBN	9781457705335
e-ISBN	9781457705328
DOI	10.1109/CLEOE.2011.5943466
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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