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Laser writing of coherent colour centres in diamond
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Chen, Y. C., Salter, P. S., Knauer, S., Weng, L., Frangeskou, Angelo, Stephen, Colin J., Ishmael, Shazeaa N. , Dolan, P. R., Johnson, S., Green, Ben, Morley, Gavin, Newton, Mark E., Rarity, J. G., Booth, M. J. and Smith, J. M. (2017) Laser writing of coherent colour centres in diamond. Nature Photonics, 11 . pp. 77-80. doi:10.1038/nphoton.2016.234
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Official URL: https://doi.org/10.1038/nphoton.2016.234
Abstract
Optically active point defects in crystals have gained widespread attention as photonic systems that can find use in quantum information technologies [1,2]. However challenges remain in the placing of individual defects at desired locations, an essential element of device fabrication. Here we report the controlled generation of single nitrogen-vacancy (NV) centres in diamond using laser writing [3]. The use of aberration correction in the writing optics allows precise positioning of vacancies within the diamond crystal, and subsequent annealing produces single NV centres with up to 45% success probability, within about 200 nm of the desired position. Selected NV centres fabricated by this method display stable, coherent optical transitions at cryogenic temperatures, a pre-requisite for the creation of distributed quantum networks of solid-state qubits. The results illustrate the potential of laser writing as a new tool for defect engineering in quantum technologies.
| Item Type: | Journal Article | |||||||||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | |||||||||||||||
| Divisions: | Faculty of Science > Engineering | |||||||||||||||
| Library of Congress Subject Headings (LCSH): | Photonics, Diamonds -- Industrial applications, Diamond crystals, Lasers | |||||||||||||||
| Journal or Publication Title: | Nature Photonics | |||||||||||||||
| Publisher: | Nature Publishing Group | |||||||||||||||
| ISSN: | 1749-4885 | |||||||||||||||
| Official Date: | 2017 | |||||||||||||||
| Dates: |
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| Date of first compliant deposit: | 29 March 2018 | |||||||||||||||
| Date of first compliant Open Access: | 29 March 2018 | |||||||||||||||
| Volume: | 11 | |||||||||||||||
| Page Range: | pp. 77-80 | |||||||||||||||
| DOI: | 10.1038/nphoton.2016.234 | |||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||
| Publication Status: | Published | |||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||
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