Demonstration of Hybrid High- Q Hexagonal Boron Nitride Microresonators

Das, A; Lee, DJ; Shandilya, PK; Kim, S; Kang, G; Lake, DP; Behera, B; Sukachev, D; Aharonovich, I; Lee, JH; Park, J; Barclay, PE

Demonstration of Hybrid High- Q Hexagonal Boron Nitride Microresonators

Das, A Lee, DJ Shandilya, PK Kim, S

Kang, G Lake, DP Behera, B Sukachev, D Aharonovich, I

Lee, JH Park, J Barclay, PE

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Publisher:: American Chemical Society
Publication Type:: Journal Article
Citation:: ACS Photonics, 2021, 8, (10), pp. 3027-3033
Issue Date:: 2021-10-20

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Field	Value	Language
dc.contributor.author	Das, A
dc.contributor.author	Lee, DJ
dc.contributor.author	Shandilya, PK
dc.contributor.author	Kim, S https://orcid.org/0000-0001-9836-3608
dc.contributor.author	Kang, G
dc.contributor.author	Lake, DP
dc.contributor.author	Behera, B
dc.contributor.author	Sukachev, D
dc.contributor.author	Aharonovich, I https://orcid.org/0000-0003-4304-3935
dc.contributor.author	Lee, JH
dc.contributor.author	Park, J
dc.contributor.author	Barclay, PE
dc.date.accessioned	2022-01-17T01:59:41Z
dc.date.available	2022-01-17T01:59:41Z
dc.date.issued	2021-10-20
dc.identifier.citation	ACS Photonics, 2021, 8, (10), pp. 3027-3033
dc.identifier.issn	2330-4022
dc.identifier.issn	2330-4022
dc.identifier.uri	http://hdl.handle.net/10453/153197
dc.description.abstract	Hexagonal boron nitride (hBN) is a wide bandgap van der Waals material that is emerging as a powerful platform for quantum optics and nanophotonics. In this work, we demonstrate whispering gallery mode silica microresonators hybridized with thin layers of hBN that exhibit high intrinsic optical quality factor >7 × 105 and a linear absorption coefficient of 9.5 cm-1. Measurements of the effect of hBN thickness on optical Q and comparison with a theoretical model allows the linear optical absorption coefficient of the hBN films to be estimated. These high-Q devices will be useful for applications in quantum and nonlinear optics, and their hybridized geometry provides a sensitive platform for evaluating losses in hBN and other 2D materials.
dc.language	en
dc.publisher	American Chemical Society
dc.relation	http://purl.org/au-research/grants/arc/CE200100010
dc.relation.ispartof	ACS Photonics
dc.relation.isbasedon	10.1021/acsphotonics.1c00973
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0205 Optical Physics, 0206 Quantum Physics, 0906 Electrical and Electronic Engineering
dc.title	Demonstration of Hybrid High- Q Hexagonal Boron Nitride Microresonators
dc.type	Journal Article
utslib.citation.volume	8
utslib.for	0205 Optical Physics
utslib.for	0206 Quantum Physics
utslib.for	0906 Electrical and Electronic 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	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-01-17T01:59:40Z
pubs.issue	10
pubs.publication-status	Published
pubs.volume	8
utslib.citation.issue	10

Abstract:

Hexagonal boron nitride (hBN) is a wide bandgap van der Waals material that is emerging as a powerful platform for quantum optics and nanophotonics. In this work, we demonstrate whispering gallery mode silica microresonators hybridized with thin layers of hBN that exhibit high intrinsic optical quality factor >7 × 105 and a linear absorption coefficient of 9.5 cm-1. Measurements of the effect of hBN thickness on optical Q and comparison with a theoretical model allows the linear optical absorption coefficient of the hBN films to be estimated. These high-Q devices will be useful for applications in quantum and nonlinear optics, and their hybridized geometry provides a sensitive platform for evaluating losses in hBN and other 2D materials.

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http://hdl.handle.net/10453/153197