Strain Simulation of Diamond NV Centers in High Q-Factor Diamond Membranes
- Authors
- Choe, Sunuk; Lee, Donghun
- Issue Date
- 7월-2018
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Diamond NV center; Diamond mechanical oscillator; Strain
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.73, no.1, pp.95 - 99
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 73
- Number
- 1
- Start Page
- 95
- End Page
- 99
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/74421
- DOI
- 10.3938/jkps.73.95
- ISSN
- 0374-4884
- Abstract
- In the field of strain-based hybrid mechanical systems, understanding the local strain profile and realizing strong strain coupling is crucial. Here a theoretical investigation is conducted on hybrid devices consisting of diamond membranes with a high Q-factor and embedded nitrogen-vacancy defect centers. Simulation based on a three-dimensional finite element method reveals microscopic strain distribution in the membrane's basis as well as in the defect's basis. For strong strain coupling, we design diamond phononic crystal devices with a honeycomb lattice, enabling localized strain in a small mode volume and an enhanced Q-factor. The hybrid devices studied in this paper are promising candidates for various quantum applications, including strain-mediated long range spin-spin interaction, multi-mode optomechanics, and topological operations with exceptional points.
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