Tunable Fiber-Cavity Enhanced Photon Emission from Defect Centers in hBN

Häußler, S; Bayer, G; Waltrich, R; Mendelson, N; Li, C; Hunger, D; Aharonovich, I; Kubanek, A

Tunable Fiber-Cavity Enhanced Photon Emission from Defect Centers in hBN

Häußler, S Bayer, G Waltrich, R Mendelson, N Li, C Hunger, D Aharonovich, I

Kubanek, A

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Publisher:: Wiley
Publication Type:: Journal Article
Citation:: Advanced Optical Materials, 2021, 9, (17), pp. 1-8
Issue Date:: 2021-09-01

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Field	Value	Language
dc.contributor.author	Häußler, S
dc.contributor.author	Bayer, G
dc.contributor.author	Waltrich, R
dc.contributor.author	Mendelson, N
dc.contributor.author	Li, C
dc.contributor.author	Hunger, D
dc.contributor.author	Aharonovich, I https://orcid.org/0000-0003-4304-3935
dc.contributor.author	Kubanek, A
dc.date.accessioned	2022-01-18T05:34:41Z
dc.date.available	2022-01-18T05:34:41Z
dc.date.issued	2021-09-01
dc.identifier.citation	Advanced Optical Materials, 2021, 9, (17), pp. 1-8
dc.identifier.issn	2195-1071
dc.identifier.issn	2195-1071
dc.identifier.uri	http://hdl.handle.net/10453/153269
dc.description.abstract	Realization of quantum photonic devices requires coupling single quantum emitters to the mode of optical resonators. In this work, a hybrid system consisting of defect centers in few-layer hexagonal boron nitride (hBN) grown by chemical vapor deposition and a fiber-based Fabry–Pérot cavity is presented. The sub 10-nm thickness of hBN and its smooth surface enable efficient integration into the cavity mode. This hybrid platform is operated over a broad spectral range larger than 30 nm and its tuneability is used to explore different coupling regimes. Consequently, very large cavity-assisted signal enhancement up to 50-fold and strongly narrowed linewidths are achieved, which is owing to cavity funneling, a record for hBN-cavity systems. Additionally, an excitation and readout scheme is implemented for resonant excitation that allows to establish cavity-assisted photoluminescence excitation (PLE) spectroscopy. This work marks an important milestone for the deployment of 2D materials coupled to fiber-based cavities in practical quantum technologies.
dc.language	en
dc.publisher	Wiley
dc.relation	http://purl.org/au-research/grants/arc/DP180100077
dc.relation.ispartof	Advanced Optical Materials
dc.relation.isbasedon	10.1002/adom.202002218
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	0205 Optical Physics, 0906 Electrical and Electronic Engineering, 0912 Materials Engineering
dc.title	Tunable Fiber-Cavity Enhanced Photon Emission from Defect Centers in hBN
dc.type	Journal Article
utslib.citation.volume	9
utslib.for	0205 Optical Physics
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	0912 Materials Engineering
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
utslib.copyright.status	open_access	*
pubs.consider-herdc	false
dc.date.updated	2022-01-18T05:34:40Z
pubs.issue	17
pubs.publication-status	Published
pubs.volume	9
utslib.citation.issue	17

Abstract:

Realization of quantum photonic devices requires coupling single quantum emitters to the mode of optical resonators. In this work, a hybrid system consisting of defect centers in few-layer hexagonal boron nitride (hBN) grown by chemical vapor deposition and a fiber-based Fabry–Pérot cavity is presented. The sub 10-nm thickness of hBN and its smooth surface enable efficient integration into the cavity mode. This hybrid platform is operated over a broad spectral range larger than 30 nm and its tuneability is used to explore different coupling regimes. Consequently, very large cavity-assisted signal enhancement up to 50-fold and strongly narrowed linewidths are achieved, which is owing to cavity funneling, a record for hBN-cavity systems. Additionally, an excitation and readout scheme is implemented for resonant excitation that allows to establish cavity-assisted photoluminescence excitation (PLE) spectroscopy. This work marks an important milestone for the deployment of 2D materials coupled to fiber-based cavities in practical quantum technologies.

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http://hdl.handle.net/10453/153269