Emission and nonradiative decay of nanodiamond NV centers in a low refractive index environment

Inam, FA; Grogan, MDW; Rollings, M; Gaebel, T; Say, JM; Bradac, C; Birks, TA; Wadsworth, WJ; Castelletto, S; Rabeau, JR; Steel, MJ

Emission and nonradiative decay of nanodiamond NV centers in a low refractive index environment

Inam, FA Grogan, MDW Rollings, M Gaebel, T Say, JM Bradac, C

Birks, TA Wadsworth, WJ Castelletto, S Rabeau, JR Steel, MJ

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Publication Type:: Journal Article
Citation:: ACS Nano, 2013, 7 (5), pp. 3833 - 3843
Issue Date:: 2013-05-28

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Field	Value	Language
dc.contributor.author	Inam, FA	en_US
dc.contributor.author	Grogan, MDW	en_US
dc.contributor.author	Rollings, M	en_US
dc.contributor.author	Gaebel, T	en_US
dc.contributor.author	Say, JM	en_US
dc.contributor.author	Bradac, C https://orcid.org/0000-0002-6673-7238	en_US
dc.contributor.author	Birks, TA	en_US
dc.contributor.author	Wadsworth, WJ	en_US
dc.contributor.author	Castelletto, S	en_US
dc.contributor.author	Rabeau, JR	en_US
dc.contributor.author	Steel, MJ	en_US
dc.date.issued	2013-05-28	en_US
dc.identifier.citation	ACS Nano, 2013, 7 (5), pp. 3833 - 3843	en_US
dc.identifier.issn	1936-0851	en_US
dc.identifier.uri	http://hdl.handle.net/10453/117332
dc.description.abstract	The nitrogen vacancy (NV) center is the most widely studied single optical defect in diamond with great potential for applications in quantum technologies. Development of practical single-photon devices requires an understanding of the emission under a range of conditions and environments. In this work, we study the properties of a single NV center in nanodiamonds embedded in an air-like silica aerogel environment which provides a new domain for probing the emission behavior of NV centers in nanoscale environments. In this arrangement, the emission rate is governed primarily by the diamond crystal lattice with negligible contribution from the surrounding environment. This is in contrast to the conventional approach of studying nanodiamonds on a glass coverslip. We observe an increase in the mean lifetime due to the absence of a dielectric interface near the emitting dipoles and a distribution arising from the irregularities in the nanodiamond geometry. Our approach results in the estimation of the mean quantum efficiency (∼0.7) of the nanodiamond NV emitters. © 2013 American Chemical Society.	en_US
dc.relation.ispartof	ACS Nano	en_US
dc.relation.isbasedon	10.1021/nn304202g	en_US
dc.subject.classification	Nanoscience & Nanotechnology	en_US
dc.title	Emission and nonradiative decay of nanodiamond NV centers in a low refractive index environment	en_US
dc.type	Journal Article
utslib.citation.volume	5	en_US
utslib.citation.volume	7	en_US
utslib.for	0204 Condensed Matter Physics	en_US
utslib.for	0205 Optical Physics	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
pubs.organisational-group	/University of Technology Sydney/Strength - IBMD - Initiative for Biomedical Devices
utslib.copyright.status	closed_access
pubs.issue	5	en_US
pubs.publication-status	Published	en_US
pubs.volume	7	en_US

Abstract:

The nitrogen vacancy (NV) center is the most widely studied single optical defect in diamond with great potential for applications in quantum technologies. Development of practical single-photon devices requires an understanding of the emission under a range of conditions and environments. In this work, we study the properties of a single NV center in nanodiamonds embedded in an air-like silica aerogel environment which provides a new domain for probing the emission behavior of NV centers in nanoscale environments. In this arrangement, the emission rate is governed primarily by the diamond crystal lattice with negligible contribution from the surrounding environment. This is in contrast to the conventional approach of studying nanodiamonds on a glass coverslip. We observe an increase in the mean lifetime due to the absence of a dielectric interface near the emitting dipoles and a distribution arising from the irregularities in the nanodiamond geometry. Our approach results in the estimation of the mean quantum efficiency (∼0.7) of the nanodiamond NV emitters. © 2013 American Chemical Society.

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http://hdl.handle.net/10453/117332