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Diamond photonics platform enabled by femtosecond laser writing

Diamond photonics platform enabled by femtosecond laser writing
Diamond photonics platform enabled by femtosecond laser writing
Diamond is a promising platform for sensing and quantum processing owing to the remarkable properties of the nitrogen-vacancy (NV) impurity. The electrons of the NV center, largely localized at the vacancy site, combine to form a spin triplet, which can be polarized with 532 nm laser light, even at room temperature. The NV’s states are isolated from environmental perturbations making their spin coherence comparable to trapped ions. An important breakthrough would be in connecting, using waveguides, multiple diamond NVs together optically. However, still lacking is an efficient photonic fabrication method for diamond akin to the photolithographic methods that have revolutionized silicon photonics. Here, we report the first demonstration of three dimensional buried optical waveguides in diamond, inscribed by focused femtosecond high repetition rate laser pulses. Within the waveguides, high quality NV properties are observed, making them promising for integrated magnetometer or quantum information systems on a diamond chip.
2045-2322
Sotillo, Belen
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Bharadwaj, Vibhav
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Hadden, J.P.
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Sakakura, Masaaki
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Chiappini, Andrea
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Fernandez, Toney Teddy
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Longhi, Stefano
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Jedrkiewicz, Ottavia
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Shimotsuma, Yasuhiko
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Criante, Luigino
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Osellame, Roberto
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Galzerano, Gianluca
cc0caf7b-e961-41cc-98c8-86ab73265b80
Ferrari, Maurizio
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Miura, Kiyotaka
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Ramponi, Roberta
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Barclay, Paul E
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Eaton, Shane Michael
a201545d-7fba-4cab-9f2b-c3db4e2c2181
Sotillo, Belen
e69d8abe-2f01-4321-bc70-c645ac8e2ef9
Bharadwaj, Vibhav
c91f347d-251f-4a02-9c95-4e9bb9740cf7
Hadden, J.P.
1e84ae47-e38a-4b93-857c-a619833d7aa7
Sakakura, Masaaki
3bb15bbd-d590-4cba-ab5a-862dc7acd054
Chiappini, Andrea
01130459-5afd-44c1-8770-7f4670529b42
Fernandez, Toney Teddy
017d885b-b541-41b9-885a-6d5bd0389fdf
Longhi, Stefano
f95604e0-ee28-4a90-94f8-7c4d6a68288d
Jedrkiewicz, Ottavia
5bb7a77b-b054-404f-a3a4-9f48f0577153
Shimotsuma, Yasuhiko
0664279b-def2-41d4-a5ec-207ce02013a7
Criante, Luigino
947090d4-dd04-404e-856b-b8623be19cdc
Osellame, Roberto
b0ef5741-488b-42ae-934a-1a3eb424a203
Galzerano, Gianluca
cc0caf7b-e961-41cc-98c8-86ab73265b80
Ferrari, Maurizio
24e36638-37ee-40bf-b4d6-a6c5ec9c47c6
Miura, Kiyotaka
5dbc9159-ace0-4dd9-b18d-36f87ae78c47
Ramponi, Roberta
2651461b-750a-43cc-96df-817f55fe26ad
Barclay, Paul E
dfdb51e2-a83d-45cb-a995-ad51c974c77d
Eaton, Shane Michael
a201545d-7fba-4cab-9f2b-c3db4e2c2181

Sotillo, Belen, Bharadwaj, Vibhav, Hadden, J.P., Sakakura, Masaaki, Chiappini, Andrea, Fernandez, Toney Teddy, Longhi, Stefano, Jedrkiewicz, Ottavia, Shimotsuma, Yasuhiko, Criante, Luigino, Osellame, Roberto, Galzerano, Gianluca, Ferrari, Maurizio, Miura, Kiyotaka, Ramponi, Roberta, Barclay, Paul E and Eaton, Shane Michael (2016) Diamond photonics platform enabled by femtosecond laser writing. Scientific Reports, 6. (doi:10.1038/srep35566).

Record type: Article

Abstract

Diamond is a promising platform for sensing and quantum processing owing to the remarkable properties of the nitrogen-vacancy (NV) impurity. The electrons of the NV center, largely localized at the vacancy site, combine to form a spin triplet, which can be polarized with 532 nm laser light, even at room temperature. The NV’s states are isolated from environmental perturbations making their spin coherence comparable to trapped ions. An important breakthrough would be in connecting, using waveguides, multiple diamond NVs together optically. However, still lacking is an efficient photonic fabrication method for diamond akin to the photolithographic methods that have revolutionized silicon photonics. Here, we report the first demonstration of three dimensional buried optical waveguides in diamond, inscribed by focused femtosecond high repetition rate laser pulses. Within the waveguides, high quality NV properties are observed, making them promising for integrated magnetometer or quantum information systems on a diamond chip.

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More information

Accepted/In Press date: 3 October 2016
Published date: 17 October 2016

Identifiers

Local EPrints ID: 431033
URI: https://eprints.soton.ac.uk/id/eprint/431033
ISSN: 2045-2322
PURE UUID: 7f088c65-0e67-4324-9120-6be2117759b9

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Date deposited: 22 May 2019 16:30
Last modified: 22 May 2019 16:30

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Contributors

Author: Belen Sotillo
Author: Vibhav Bharadwaj
Author: J.P. Hadden
Author: Andrea Chiappini
Author: Toney Teddy Fernandez
Author: Stefano Longhi
Author: Ottavia Jedrkiewicz
Author: Yasuhiko Shimotsuma
Author: Luigino Criante
Author: Roberto Osellame
Author: Gianluca Galzerano
Author: Maurizio Ferrari
Author: Kiyotaka Miura
Author: Roberta Ramponi
Author: Paul E Barclay
Author: Shane Michael Eaton

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