| Download | - View final version: Realizing Q > 300 000 in diamond microdisks for optomechanics via etch optimization (PDF, 4.0 MiB)
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| DOI | Resolve DOI: https://doi.org/10.1063/1.5053122 |
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| Author | Search for: Mitchell, Matthew1ORCID identifier: https://orcid.org/0000-0002-9949-3858; Search for: Lake, David P.1; Search for: Barclay, Paul E.1ORCID identifier: https://orcid.org/0000-0002-9659-5883 |
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| Affiliation | - National Research Council of Canada. Nanotechnology
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| Format | Text, Article |
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| Subject | photonics; quantum optics; phonons; optics and optical physics; thin films; optomechanics; etching; structural vibrations; quantum information; electrical properties and parameters |
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| Abstract | Nanophotonic structures in single–crystal diamond (SCD) that simultaneously confine and co-localize photons and phonons are highly desirable for applications in quantum information science and optomechanics. Here we describe an optimized process for etching SCD microdisk structures designed for optomechanics applications. This process allows the optical quality factor, Q, of these devices to be enhanced by a factor of 4 over previous demonstrations to Q ∼ 335 000, which is sufficient to enable sideband resolved coherent cavity optomechanical experiments. Through analysis of optical loss and backscattering rates, we find that Q remains limited by surface imperfections. We also describe a technique for altering microdisk pedestal geometry which could enable reductions in mechanical dissipation. |
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| Publication date | 2019-01-11 |
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| Publisher | AIP |
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| Licence | |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | ed25c619-0765-414a-8a76-46401a9b7127 |
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| Record created | 2020-11-27 |
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| Record modified | 2021-02-26 |
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