تقرير
Backaction suppression in levitated optomechanics using reflective boundaries
| العنوان: | Backaction suppression in levitated optomechanics using reflective boundaries |
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| المؤلفون: | Gajewski, Rafał, Bateman, James |
| سنة النشر: | 2024 |
| المجموعة: | Physics (Other) Quantum Physics |
| مصطلحات موضوعية: | Physics - Optics, Quantum Physics |
| الوصف: | 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 utilising 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 analysing optical force fluctuations acting on a dipolar particle trapped at the centre 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. Comment: 9 pages with 5 figures, and 5 page supplementary |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2405.04366 |
| رقم الأكسشن: | edsarx.2405.04366 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |