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Design of tunable GHz-frequency optomechanical crystal resonators

Pfeifer, Hannes and Paraïso, Taofiq and Zang, Leyun and Painter, Oskar (2016) Design of tunable GHz-frequency optomechanical crystal resonators. Optics Express, 24 (11). pp. 11407-11419. ISSN 1094-4087. http://resolver.caltech.edu/CaltechAUTHORS:20160406-085327170

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Abstract

We present a silicon optomechanical nanobeam design with a dynamically tunable acoustic mode at 10.2 GHz. The resonance frequency can be shifted by 90 kHz/V^2 with an on-chip capacitor that was optimized to exert forces up to 1 µN at 10 V operation voltage. Optical resonance frequencies around 190 THz with Q-factors up to 2.2 × 10^6 place the structure in the well-resolved sideband regime with vacuum optomechanical coupling rates up to g_0/2π = 353 kHz. Tuning can be used, for instance, to overcome variation in the device-to-device acoustic resonance frequency due to fabrication errors, paving the way for optomechanical circuits consisting of arrays of optomechanical cavities.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1603.05721arXivDiscussion Paper
http://dx.doi.org/10.1364/OE.24.011407DOIArticle
https://www.osapublishing.org/oe/abstract.cfm?uri=oe-24-11-11407PublisherArticle
ORCID:
AuthorORCID
Painter, Oskar0000-0002-1581-9209
Additional Information:© 2016 OSA. Received 21 Mar 2016; revised 4 May 2016; accepted 9 May 2016; published 17 May 2016. The authors would like to thank Matthew H. Matheny for valuable discussions on the benefits of dimerization of acoustic modes in phononic crystals. This work was supported by the AFOSR Hybrid Nanophotonics MURI, the Alexander von Humboldt Foundation, the Max Planck Society, and the Kavli Nanoscience Institute at Caltech.
Group:Institute for Quantum Information and Matter, IQIM, Kavli Nanoscience Institute
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Alexander von Humboldt FoundationUNSPECIFIED
Max Planck SocietyUNSPECIFIED
Kavli Nanoscience InstituteUNSPECIFIED
Classification Code:OCIS codes: (230.1040) Acousto-optical devices; (230.5298) Photonic crystals; (120.4880) Optomechanics
Record Number:CaltechAUTHORS:20160406-085327170
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160406-085327170
Official Citation:Hannes Pfeifer, Taofiq Paraïso, Leyun Zang, and Oskar Painter, "Design of tunable GHz-frequency optomechanical crystal resonators," Opt. Express 24, 11407-11419 (2016)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:65955
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:06 Apr 2016 18:05
Last Modified:01 Jul 2016 15:52

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