The power of microscopic nonclassical states to amplify the precision of macroscopic optical metrology

It is well-known that the precision of a phase measurement with a Mach-Zehnder interferometer employing strong classic light can be greatly enhanced with the addition of weak nonclassical light. In the context of quantifying nonclassicality, the amount by which a nonclassical state can enhance preci...

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Bibliographic Details

Published in:	npj quantum information Vol. 9; no. 1; pp. 5 - 9
Main Authors:	Ge, Wenchao, Jacobs, Kurt, Zubairy, M. Suhail
Format:	Journal Article
Language:	English
Published:	London Nature Publishing Group UK 11.01.2023 Nature Publishing Group Nature Portfolio
Subjects:	639/766/400/482 639/766/483/1255 639/766/483/481 Classical and Quantum Gravitation Parameter estimation Physics Physics and Astronomy Power Quantum Computing Quantum Field Theories Quantum Information Technology Quantum Physics Relativity Theory Spintronics String Theory
ISSN:	2056-6387, 2056-6387
Online Access:	Get full text
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