Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/86880
Title: Torsional frequency mixing and sensing in optomechanical resonators
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
Keywords: Optomechanics
Acoustic Noise
Issue Date: 2017
Source: 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-.
Series/Report no.: Applied Physics Letters
Abstract: 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.
URI: https://hdl.handle.net/10356/86880
http://hdl.handle.net/10220/44217
ISSN: 0003-6951
DOI: 10.1063/1.4986811
Rights: © 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.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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