Sensitivity enhancement by mode entanglement in distributed phase sensing

Xueshi Guo*, Johannes Borregard, Casper Rubæk Breum, Shuro Izumi, Mikkel Vilsbøll Larsen, Jonas Schou Neergaard-Nielsen, Ulrik Lund Andersen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

We investigate the sensitivity of distributed phase sensing with squeezed state probes. By creating mode entanglement between probes with a beam-splitter network, sensitivity enhancement over independent probes is observed experimentally for the first time.
Original languageEnglish
Title of host publicationProceedings Quantum Information and Measurement (QIM) V : Quantum Technologies
Number of pages2
PublisherOptical Society of America (OSA)
Publication date2019
Article numberS4A.4
ISBN (Electronic)978-1-943580-56-9
DOIs
Publication statusPublished - 2019
EventQuantum Information and Measurement 2019 - Rome, Italy
Duration: 4 Apr 20196 Apr 2019

Conference

ConferenceQuantum Information and Measurement 2019
CountryItaly
CityRome
Period04/04/201906/04/2019

Cite this

Guo, X., Borregard, J., Breum, C. R., Izumi, S., Larsen, M. V., Neergaard-Nielsen, J. S., & Andersen, U. L. (2019). Sensitivity enhancement by mode entanglement in distributed phase sensing. In Proceedings Quantum Information and Measurement (QIM) V: Quantum Technologies [S4A.4] Optical Society of America (OSA). https://doi.org/10.1364/QIM.2019.S4A.4