Coupling Spin Defects in Hexagonal Boron Nitride to Monolithic Bullseye Cavities

Fröch, JE; Spencer, LP; Kianinia, M; Totonjian, DD; Nguyen, M; Gottscholl, A; Dyakonov, V; Toth, M; Kim, S; Aharonovich, I

Coupling Spin Defects in Hexagonal Boron Nitride to Monolithic Bullseye Cavities

Fröch, JE Spencer, LP Kianinia, M

Totonjian, DD Nguyen, M Gottscholl, A Dyakonov, V Toth, M

Kim, S Aharonovich, I

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Publisher:: American Chemical Society
Publication Type:: Journal Article
Citation:: Nano Letters: a journal dedicated to nanoscience and nanotechnology, 2021, 21, (15), pp. 6549-6555
Issue Date:: 2021-07-21

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Field	Value	Language
dc.contributor.author	Fröch, JE
dc.contributor.author	Spencer, LP
dc.contributor.author	Kianinia, M https://orcid.org/0000-0003-4073-1492
dc.contributor.author	Totonjian, DD
dc.contributor.author	Nguyen, M
dc.contributor.author	Gottscholl, A
dc.contributor.author	Dyakonov, V
dc.contributor.author	Toth, M https://orcid.org/0000-0003-1564-4899
dc.contributor.author	Kim, S
dc.contributor.author	Aharonovich, I https://orcid.org/0000-0003-4304-3935
dc.date.accessioned	2022-01-17T01:49:05Z
dc.date.available	2022-01-17T01:49:05Z
dc.date.issued	2021-07-21
dc.identifier.citation	Nano Letters: a journal dedicated to nanoscience and nanotechnology, 2021, 21, (15), pp. 6549-6555
dc.identifier.issn	1530-6984
dc.identifier.issn	1530-6992
dc.identifier.uri	http://hdl.handle.net/10453/153196
dc.description.abstract	Color centers in hexagonal boron nitride (hBN) are becoming an increasingly important building block for quantum photonic applications. Herein, we demonstrate the efficient coupling of recently discovered spin defects in hBN to purposely designed bullseye cavities. We show that boron vacancy spin defects couple to the monolithic hBN cavity system and exhibit a 6.5-fold enhancement. In addition, by comparative finite-difference time-domain modeling, we shed light on the emission dipole orientation, which has not been experimentally demonstrated at this point. Beyond that, the coupled spin system exhibits an enhanced contrast in optically detected magnetic resonance readout and improved signal-to-noise ratio. Thus, our experimental results, supported by simulations, constitute a first step toward integration of hBN spin defects with photonic resonators for a scalable spin–photon interface.
dc.format	Print-Electronic
dc.language	eng
dc.publisher	American Chemical Society
dc.relation	http://purl.org/au-research/grants/arc/DP190101058
dc.relation	http://purl.org/au-research/grants/arc/CE200100010
dc.relation.ispartof	Nano Letters: a journal dedicated to nanoscience and nanotechnology
dc.relation.isbasedon	10.1021/acs.nanolett.1c01843
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Nanoscience & Nanotechnology
dc.title	Coupling Spin Defects in Hexagonal Boron Nitride to Monolithic Bullseye Cavities
dc.type	Journal Article
utslib.citation.volume	21
utslib.location.activity	United States
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Strength - MTEE - Research Centre Materials and Technology for Energy Efficiency
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-01-17T01:49:02Z
pubs.issue	15
pubs.publication-status	Published
pubs.volume	21
utslib.citation.issue	15

Abstract:

Color centers in hexagonal boron nitride (hBN) are becoming an increasingly important building block for quantum photonic applications. Herein, we demonstrate the efficient coupling of recently discovered spin defects in hBN to purposely designed bullseye cavities. We show that boron vacancy spin defects couple to the monolithic hBN cavity system and exhibit a 6.5-fold enhancement. In addition, by comparative finite-difference time-domain modeling, we shed light on the emission dipole orientation, which has not been experimentally demonstrated at this point. Beyond that, the coupled spin system exhibits an enhanced contrast in optically detected magnetic resonance readout and improved signal-to-noise ratio. Thus, our experimental results, supported by simulations, constitute a first step toward integration of hBN spin defects with photonic resonators for a scalable spin–photon interface.

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http://hdl.handle.net/10453/153196