Amplified squeezed states: analyzing loss and phase noise

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dc.contributor.authorKwan, K. M.en
dc.contributor.authorYap, M. J.en
dc.contributor.authorQin, J.en
dc.contributor.authorGould, D. W.en
dc.contributor.authorChua, S. S.Y.en
dc.contributor.authorJunker, J.en
dc.contributor.authorAdya, V. B.en
dc.contributor.authorMcRae, T. G.en
dc.contributor.authorSlagmolen, B. J.J.en
dc.contributor.authorMcClelland, D. E.en
dc.date.accessioned2025-05-23T05:25:11Z
dc.date.available2025-05-23T05:25:11Z
dc.date.issued2024en
dc.description.abstractPhase-sensitive amplification of squeezed states is a technique to mitigate high detection loss, which is especially attractive at 2 µm wavelengths. We derived an analytical model proving that amplified squeezed states can mitigate phase noise significantly. Our model discloses two practical parameters: the effective measurable squeezing and the effective detection efficiency of amplified squeezed states. A realistic case study includes the dynamics of the gain-dependent impedance matching conditions of the amplifier. Our results recommend operating the optical parametric amplifier at high gains because of the signal-to-noise ratio’s robustness to phase noise. Amplified squeezed states are relevant in proposed gravitational wave detectors and interesting for applications in quantum systems degraded by the output coupling loss in optical waveguides.en
dc.description.sponsorshipV B Adya would like to acknowledge the support and funding from the Swedish Research Council (VR starting Grant 2023-0519 and Optical Quantum Sensing environment Grant 2016-06122) and the Wallenberg Center for Quantum Technology (WACQT) in Sweden. This research was supported by the Australian Research Council under the ARC Centre of Excellence for Gravitational Wave Discovery, Grant No. CE170100004. The authors declare no competing interests. This work has been assigned LIGO document number P2300393.en
dc.description.statusPeer-revieweden
dc.format.extent17en
dc.identifier.issn0264-9381en
dc.identifier.otherORCID:/0000-0002-7120-9026/work/184101062en
dc.identifier.otherORCID:/0000-0002-6540-6824/work/184101360en
dc.identifier.otherORCID:/0000-0002-2471-3828/work/184103031en
dc.identifier.otherORCID:/0000-0002-3051-4374/work/187311832en
dc.identifier.scopus85206253856en
dc.identifier.urihttp://www.scopus.com/inward/record.url?scp=85206253856&partnerID=8YFLogxKen
dc.identifier.urihttps://hdl.handle.net/1885/733751569
dc.language.isoenen
dc.provenanceOriginal Content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.en
dc.rights © 2024 The Author(s). en
dc.sourceClassical and Quantum Gravityen
dc.subject2 µmen
dc.subjectdetection lossen
dc.subjectoptical parametric amplificationen
dc.subjectphase noiseen
dc.subjectsqueezed lighten
dc.titleAmplified squeezed states: analyzing loss and phase noiseen
dc.typeJournal articleen
dspace.entity.typePublicationen
local.contributor.affiliationKwan, K. M.; Centre for Gravitational Astrophysics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationYap, M. J.; Centre for Gravitational Astrophysics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationQin, J.; ARC Centre of Excellence for Quantum Computation and Communication Technology, Research School of Physics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationGould, D. W.; ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationChua, S. S.Y.; Centre for Gravitational Astrophysics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationJunker, J.; Centre for Gravitational Astrophysics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationAdya, V. B.; KTH Royal Institute of Technologyen
local.contributor.affiliationMcRae, T. G.; Centre for Gravitational Astrophysics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationSlagmolen, B. J.J.; Centre for Gravitational Astrophysics, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationMcClelland, D. E.; Centre for Gravitational Astrophysics, ANU College of Science and Medicine, The Australian National Universityen
local.identifier.citationvolume41en
local.identifier.doi10.1088/1361-6382/ad7cbben
local.identifier.pure8d98a8e1-c7dd-4d4e-9b15-033ad8c5396ben
local.identifier.urlhttps://www.scopus.com/pages/publications/85206253856en
local.type.statusPublisheden

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