Photodynamics of quantum emitters in hexagonal boron nitride revealed by low-temperature spectroscopy

Sontheimer, B; Braun, M; Nikolay, N; Sadzak, N; Aharonovich, I; Benson, O

Photodynamics of quantum emitters in hexagonal boron nitride revealed by low-temperature spectroscopy

Sontheimer, B

Braun, M Nikolay, N Sadzak, N Aharonovich, I

Benson, O

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Publication Type:: Journal Article
Citation:: Physical Review B, 2017, 96 (12)
Issue Date:: 2017-09-18

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Field	Value	Language
dc.contributor.author	Sontheimer, B https://orcid.org/0000-0001-5963-7282	en_US
dc.contributor.author	Braun, M	en_US
dc.contributor.author	Nikolay, N	en_US
dc.contributor.author	Sadzak, N	en_US
dc.contributor.author	Aharonovich, I https://orcid.org/0000-0003-4304-3935	en_US
dc.contributor.author	Benson, O	en_US
dc.date.issued	2017-09-18	en_US
dc.identifier.citation	Physical Review B, 2017, 96 (12)	en_US
dc.identifier.issn	2469-9950	en_US
dc.identifier.uri	http://hdl.handle.net/10453/124632
dc.description.abstract	© 2017 American Physical Society. Quantum emitters in hexagonal boron nitride (hBN) have recently emerged as promising bright single photon sources. In this Rapid Communication we investigate in detail their optical properties at cryogenic temperatures. In particular, we perform temperature-resolved photoluminescence studies and measure photon coherence times from the hBN emitters. The obtained value of 81(1)ps translates to a width of ∼6.5GHz which is higher than the Fourier transform limited value of ∼32MHz. To account for the photodynamics of the emitter, we perform ultrafast spectral diffusion measurements that partially account for the coherence times. Our results provide important insight into the relaxation processes in quantum emitters in hBN which is mandatory to evaluate their applicability for quantum information processing.	en_US
dc.relation	http://purl.org/au-research/grants/arc/DE130100592
dc.relation.ispartof	Physical Review B	en_US
dc.relation.isbasedon	10.1103/PhysRevB.96.121202	en_US
dc.title	Photodynamics of quantum emitters in hexagonal boron nitride revealed by low-temperature spectroscopy	en_US
dc.type	Journal Article
utslib.citation.volume	12	en_US
utslib.citation.volume	96	en_US
utslib.for	0202 Atomic, Molecular, Nuclear, Particle and Plasma 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	open_access
pubs.issue	12	en_US
pubs.publication-status	Published	en_US
pubs.volume	96	en_US

Abstract:

© 2017 American Physical Society. Quantum emitters in hexagonal boron nitride (hBN) have recently emerged as promising bright single photon sources. In this Rapid Communication we investigate in detail their optical properties at cryogenic temperatures. In particular, we perform temperature-resolved photoluminescence studies and measure photon coherence times from the hBN emitters. The obtained value of 81(1)ps translates to a width of ∼6.5GHz which is higher than the Fourier transform limited value of ∼32MHz. To account for the photodynamics of the emitter, we perform ultrafast spectral diffusion measurements that partially account for the coherence times. Our results provide important insight into the relaxation processes in quantum emitters in hBN which is mandatory to evaluate their applicability for quantum information processing.

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