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Title: Diamond photonics platform enabled by femtosecond laser writing
Authors: Sotillo, Belén
Bharadwaj, Vibhav
Hadden, J. P.
Sakakura, Masaaki
Chiappini, Andrea
Fernandez, Toney Teddy
Longhi, Stefano
Jedrkiewicz, Ottavia
Shimotsuma, Yasuhiko  kyouindb  KAKEN_id
Criante, Luigino
Osellame, Roberto
Galzerano, Gianluca
Ferrari, Maurizio
Miura, Kiyotaka  kyouindb  KAKEN_id
Ramponi, Roberta
Barclay, Paul E.
Eaton, Shane Michael
Author's alias: 下間, 靖彦
三浦, 清貴
Keywords: Optical properties of diamond
Other photonics
Issue Date: 17-Oct-2016
Publisher: Springer Nature
Journal title: Scientific Reports
Volume: 6
Thesis number: 35566
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.
Rights: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
DOI(Published Version): 10.1038/srep35566
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