Entanglement-free, Heisenberg-limited phase measurement

B. L. Higgins, H. M. Wiseman, G. J. Pryde, D. W. Berry, S. D. Bartlett

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Abstract

We demonstrate experimental Heisenberg-limited scaling of the variance in optical phase measurements. Our algorithm replaces entangled states - often thought essential for Heisenberg scaling - with single photons, multiple phase shift passes, and adaptive measurement.

Original languageEnglish
Title of host publicationConference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies 2008 Technical Digest
Place of PublicationWashington, DC
PublisherOptical Society of America (OSA)
Pages1-2
Number of pages2
ISBN (Print)1557528594, 9781557528599
DOIs
Publication statusPublished - 2008
EventConference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS 2008 - San Jose, CA, United States
Duration: 4 May 20089 May 2008

Other

OtherConference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS 2008
CountryUnited States
CitySan Jose, CA
Period4/05/089/05/08

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Higgins, B. L., Wiseman, H. M., Pryde, G. J., Berry, D. W., & Bartlett, S. D. (2008). Entanglement-free, Heisenberg-limited phase measurement. In Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies 2008 Technical Digest (pp. 1-2). [QThK4] Washington, DC: Optical Society of America (OSA). https://doi.org/10.1109/QELS.2008.4553150