Background-Free Near-Infrared Biphoton Emission from Single GaAs Nanowires.

Saerens, G; Dursap, T; Hesner, I; Duong, NMH; Solntsev, AS; Morandi, A; Maeder, A; Karvounis, A; Regreny, P; Chapman, RJ; Danescu, A; Chauvin, N; Penuelas, J; Grange, R

Background-Free Near-Infrared Biphoton Emission from Single GaAs Nanowires.

Saerens, G Dursap, T Hesner, I Duong, NMH Solntsev, AS Morandi, A Maeder, A Karvounis, A Regreny, P Chapman, RJ Danescu, A Chauvin, N Penuelas, J Grange, R

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Publisher:: AMER CHEMICAL SOC
Publication Type:: Journal Article
Citation:: Nano Lett, 2023, 23, (8), pp. 3245-3250
Issue Date:: 2023-04-26

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Field	Value	Language
dc.contributor.author	Saerens, G
dc.contributor.author	Dursap, T
dc.contributor.author	Hesner, I
dc.contributor.author	Duong, NMH
dc.contributor.author	Solntsev, AS
dc.contributor.author	Morandi, A
dc.contributor.author	Maeder, A
dc.contributor.author	Karvounis, A
dc.contributor.author	Regreny, P
dc.contributor.author	Chapman, RJ
dc.contributor.author	Danescu, A
dc.contributor.author	Chauvin, N
dc.contributor.author	Penuelas, J
dc.contributor.author	Grange, R
dc.date.accessioned	2024-02-07T04:09:30Z
dc.date.available	2024-02-07T04:09:30Z
dc.date.issued	2023-04-26
dc.identifier.citation	Nano Lett, 2023, 23, (8), pp. 3245-3250
dc.identifier.issn	1530-6984
dc.identifier.issn	1530-6992
dc.identifier.uri	http://hdl.handle.net/10453/175418
dc.description.abstract	The generation of photon pairs from nanoscale structures with high rates is still a challenge for the integration of quantum devices, as it suffers from parasitic signals from the substrate. In this work, we report type-0 spontaneous parametric down-conversion at 1550 nm from individual bottom-up grown zinc-blende GaAs nanowires with lengths of up to 5 μm and diameters of up to 450 nm. The nanowires were deposited on a transparent ITO substrate, and we measured a background-free coincidence rate of 0.05 Hz in a Hanbury-Brown-Twiss setup. Taking into account transmission losses, the pump fluence, and the nanowire volume, we achieved a biphoton generation of 60 GHz/Wm, which is at least 3 times higher than that of previously reported single nonlinear micro- and nanostructures. We also studied the correlations between the second-harmonic generation and the spontaneous parametric down-conversion intensities with respect to the pump polarization and in different individual nanowires.
dc.format	Print-Electronic
dc.language	eng
dc.publisher	AMER CHEMICAL SOC
dc.relation	http://purl.org/au-research/grants/arc/DE180100070
dc.relation.ispartof	Nano Lett
dc.relation.isbasedon	10.1021/acs.nanolett.3c00026
dc.rights	info:eu-repo/semantics/openAccess
dc.subject.classification	Nanoscience & Nanotechnology
dc.title	Background-Free Near-Infrared Biphoton Emission from Single GaAs Nanowires.
dc.type	Journal Article
utslib.citation.volume	23
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/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access	*
dc.date.updated	2024-02-07T04:09:29Z
pubs.issue	8
pubs.publication-status	Published
pubs.volume	23
utslib.citation.issue	8

Abstract:

The generation of photon pairs from nanoscale structures with high rates is still a challenge for the integration of quantum devices, as it suffers from parasitic signals from the substrate. In this work, we report type-0 spontaneous parametric down-conversion at 1550 nm from individual bottom-up grown zinc-blende GaAs nanowires with lengths of up to 5 μm and diameters of up to 450 nm. The nanowires were deposited on a transparent ITO substrate, and we measured a background-free coincidence rate of 0.05 Hz in a Hanbury-Brown-Twiss setup. Taking into account transmission losses, the pump fluence, and the nanowire volume, we achieved a biphoton generation of 60 GHz/Wm, which is at least 3 times higher than that of previously reported single nonlinear micro- and nanostructures. We also studied the correlations between the second-harmonic generation and the spontaneous parametric down-conversion intensities with respect to the pump polarization and in different individual nanowires.

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http://hdl.handle.net/10453/175418