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Proceedings Paper

680-890nm spectral range of nickel-nitrogen and nickel-silicon complex single centres in diamond
Author(s): Stefania Castelletto; Andrew Edmonds
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Paper Abstract

Fluorescent emitters in nanodiamonds are considered to be a valuable resource for emerging fields such as quantum communication, quantum photonics and biological imaging. In this paper we report a wide range of narrow bandwidth spectral emission lines arising from different color centers at room temperature. We associate the zero phonon lines, observed using confocal microscopy, with previously identified nickel-related centers in high pressure high temperature diamond, with a Si/Ni complex and silicon vacancy defects. In particular we show the first observation of a 850 nm emission in diamond with single photon signature, indicating the potential for diamond to harbor infrared single-photon sources. Index Terms diamond defects, single-photon emission, confocal microscopy.

Paper Details

Date Published: 15 October 2012
PDF: 8 pages
Proc. SPIE 8518, Quantum Communications and Quantum Imaging X, 85180R (15 October 2012); doi: 10.1117/12.958606
Show Author Affiliations
Stefania Castelletto, Macquarie Univ. (Australia)
Andrew Edmonds, Macquarie Univ. (Australia)

Published in SPIE Proceedings Vol. 8518:
Quantum Communications and Quantum Imaging X
Ronald E. Meyers; Yanhua Shih; Keith S. Deacon, Editor(s)

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