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


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
Publication statusPublished - 2019
EventQuantum Information and Measurement 2019 - Rome, Italy
Duration: 4 Apr 20196 Apr 2019


ConferenceQuantum Information and Measurement 2019


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