Torsional frequency mixing and sensing in optomechanical resonators

In this letter, a torsional optomechanical resonator for torque sensing and torsional mechanical frequency mixing is experimentally demonstrated. The torsional mechanical resonator is embedded into a split optical racetrack resonator, which provides high sensitivity in measuring torsional mechanical...

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Main Authors: Huang, Jianguo, Cai, H., Gu, Y. D., Chin, Lip Ket, Wu, J. H., Chen, T. N., Yang, Z. C., Hao, Y. L., Liu, Aiqun
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2017
Subjects:
Online Access:https://hdl.handle.net/10356/86880
http://hdl.handle.net/10220/44217
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-868802020-03-07T13:57:30Z Torsional frequency mixing and sensing in optomechanical resonators Huang, Jianguo Cai, H. Gu, Y. D. Chin, Lip Ket Wu, J. H. Chen, T. N. Yang, Z. C. Hao, Y. L. Liu, Aiqun School of Electrical and Electronic Engineering Optomechanics Acoustic Noise In this letter, a torsional optomechanical resonator for torque sensing and torsional mechanical frequency mixing is experimentally demonstrated. The torsional mechanical resonator is embedded into a split optical racetrack resonator, which provides high sensitivity in measuring torsional mechanical motion. Using this high sensitivity, torsional mechanical frequency mixing is observed without regenerative mechanical motion. The displacement noise floor of the torsional mechanical resonator is 50 fm/Hz0.5, which demonstrates a resonant torque sensitivity of 3.58 × 10−21 N m/Hz0.5. This demonstration will benefit potential applications for on-chip RF signal modulation using optical mechanical resonators. NRF (Natl Research Foundation, S’pore) Published version 2017-12-28T06:23:29Z 2019-12-06T16:30:50Z 2017-12-28T06:23:29Z 2019-12-06T16:30:50Z 2017 Journal Article Huang, J. G., Cai, H., Gu, Y. D., Chin, L. K., Wu, J. H., Chen, T. N., et al. (2017). Torsional frequency mixing and sensing in optomechanical resonators. Applied Physics Letters, 111(11), 111102-. 0003-6951 https://hdl.handle.net/10356/86880 http://hdl.handle.net/10220/44217 10.1063/1.4986811 en Applied Physics Letters © 2017 The Authors (Published by AIP Publishing). This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of The Authors (Published by AIP Publishing). The published version is available at: [http://dx.doi.org/10.1063/1.4986811]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. 5 p. application/pdf
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
topic Optomechanics
Acoustic Noise
spellingShingle Optomechanics
Acoustic Noise
Huang, Jianguo
Cai, H.
Gu, Y. D.
Chin, Lip Ket
Wu, J. H.
Chen, T. N.
Yang, Z. C.
Hao, Y. L.
Liu, Aiqun
Torsional frequency mixing and sensing in optomechanical resonators
description In this letter, a torsional optomechanical resonator for torque sensing and torsional mechanical frequency mixing is experimentally demonstrated. The torsional mechanical resonator is embedded into a split optical racetrack resonator, which provides high sensitivity in measuring torsional mechanical motion. Using this high sensitivity, torsional mechanical frequency mixing is observed without regenerative mechanical motion. The displacement noise floor of the torsional mechanical resonator is 50 fm/Hz0.5, which demonstrates a resonant torque sensitivity of 3.58 × 10−21 N m/Hz0.5. This demonstration will benefit potential applications for on-chip RF signal modulation using optical mechanical resonators.
author2 School of Electrical and Electronic Engineering
author_facet School of Electrical and Electronic Engineering
Huang, Jianguo
Cai, H.
Gu, Y. D.
Chin, Lip Ket
Wu, J. H.
Chen, T. N.
Yang, Z. C.
Hao, Y. L.
Liu, Aiqun
format Article
author Huang, Jianguo
Cai, H.
Gu, Y. D.
Chin, Lip Ket
Wu, J. H.
Chen, T. N.
Yang, Z. C.
Hao, Y. L.
Liu, Aiqun
author_sort Huang, Jianguo
title Torsional frequency mixing and sensing in optomechanical resonators
title_short Torsional frequency mixing and sensing in optomechanical resonators
title_full Torsional frequency mixing and sensing in optomechanical resonators
title_fullStr Torsional frequency mixing and sensing in optomechanical resonators
title_full_unstemmed Torsional frequency mixing and sensing in optomechanical resonators
title_sort torsional frequency mixing and sensing in optomechanical resonators
publishDate 2017
url https://hdl.handle.net/10356/86880
http://hdl.handle.net/10220/44217
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