{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T17:45:45Z","timestamp":1785433545777,"version":"3.56.0"},"reference-count":41,"publisher":"American Physical Society (APS)","issue":"2","license":[{"start":{"date-parts":[[2025,4,11]],"date-time":"2025-04-11T00:00:00Z","timestamp":1744329600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000266","name":"Engineering and Physical Sciences Research Council","doi-asserted-by":"publisher","award":["EP\/T517987\/1"],"award-info":[{"award-number":["EP\/T517987\/1"]}],"id":[{"id":"10.13039\/501100000266","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.aps.org"],"crossmark-restriction":true},"accepted":{"date-parts":[[2025,3,3]]},"abstract":"<jats:p>We show theoretically that the noise due to laser induced backaction acting on a small nanosphere levitated in a standing-wave trap can be considerably reduced by utilizing a suitable reflective boundary. We examine the spherical mirror geometry as a case study of this backaction suppression effect, discussing the theoretical and experimental constraints. We study the effects of laser recoil directly, by analyzing optical force fluctuations acting on a dipolar particle trapped at the center of a spherical mirror. We also compute the corresponding measurement imprecision in an interferometric, shot-noise-limited position measurement, using the formalism of Fisher information flow. Our results show that the standing-wave trapping field is necessary for backaction suppression in three dimensions, and they satisfy the Heisenberg limit of detection.<\/jats:p>","DOI":"10.1103\/physrevresearch.7.023041","type":"journal-article","created":{"date-parts":[[2025,4,11]],"date-time":"2025-04-11T10:05:58Z","timestamp":1744365958000},"update-policy":"https:\/\/doi.org\/10.1103\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":"Backaction suppression in levitated optomechanics using reflective boundaries","prefix":"10.1103","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-4558-662X","authenticated-orcid":true,"given":"Rafa\u0142","family":"Gajewski","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/053fq8t95","id-type":"ROR","asserted-by":"publisher"}],"name":"Swansea University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4885-2539","authenticated-orcid":true,"given":"James","family":"Bateman","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/053fq8t95","id-type":"ROR","asserted-by":"publisher"}],"name":"Swansea University"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"16","published-online":{"date-parts":[[2025,4,11]]},"reference":[{"key":"PhysRevResearch.7.023041Cc1R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.93.053801","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc2R1","doi-asserted-by":"publisher","DOI":"10.1038\/s41565-019-0605-9","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc3R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.128.111101","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc4R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.125.181102","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc5R1","doi-asserted-by":"publisher","DOI":"10.1088\/2058-9565\/aca3cd","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc6R1","doi-asserted-by":"publisher","DOI":"10.1126\/science.abg3027","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc7R1","doi-asserted-by":"publisher","DOI":"10.1126\/science.aba3993","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc8R1","doi-asserted-by":"publisher","DOI":"10.1038\/s41586-021-03602-3","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc9R1","doi-asserted-by":"publisher","DOI":"10.1038\/s41567-023-01956-1","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc10R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.129.053602","type":"journal-article"},{"key":"PhysRevResearch.7.023041Cc11R1","volume-title":"Measurement of Weak Forces in Physics Experiments","author":"A.\u00a0B.\u00a0M. 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