Pfeifer, Hannes and Ren, Hengjiang and MacCabe, Greg and Painter, Oskar (2017) Two dimensional optomechanical crystals for quantum optomechanics. In: 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE , Piscataway, NJ, p. 1. ISBN 978-1-5090-6736-7. https://resolver.caltech.edu/CaltechAUTHORS:20180622-124453312
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Abstract
Cooling of nanomechanical resonators to their motional ground state [1, 2] triggered recent achievements like non-classical mechanical state preparation [3] or coherent optical to microwave photon conversion [4]. Implementations of such system with optomechanical crystal (OMC) resonators use the co-localization of optical and acoustic modes in a periodically patterned device layer of a silicon-on-insulator (SOI) chip. An initialization of mechanical resonator to low thermal occupations is required by most quantum optomechanical operations. Reaching small thermal mechanical mode occupations and mechanical Q-factors ≳ 10^6 requires pre-cooling to millikelvin temperatures, where even weak optical absorption induces unfavorable local heating [5]. Commonly used one-dimensional nanobeam OMC resonators have significantly smaller thermal connectivity to the cool environment and reduced robustness against undesired heating than their two-dimensional counterparts. On the other hand drawbacks of 2D OMCs were their complex fabrication and weaker interaction strengths of acoustic and optical modes [6]. Here, we present a modified 2D OMC cavity that both exhibits simulated coupling strengths comparable to the previous optomechanical nanobeams and reduces the complexity for nanofabrication compared to previous 2D OMCs.
Item Type: | Book Section | ||||||
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Additional Information: | © 2017 IEEE. | ||||||
Group: | Institute for Quantum Information and Matter, Kavli Nanoscience Institute | ||||||
DOI: | 10.1109/CLEOE-EQEC.2017.8087140 | ||||||
Record Number: | CaltechAUTHORS:20180622-124453312 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180622-124453312 | ||||||
Official Citation: | H. Pfeifer, H. Ren, G. MacCabe and O. Painter, "Two dimensional optomechanical crystals for quantum optomechanics," 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, 2017, pp. 1-1. doi: 10.1109/CLEOE-EQEC.2017.8087140 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 87331 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 22 Jun 2018 21:39 | ||||||
Last Modified: | 15 Nov 2021 20:47 |
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