Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride

Optoelectronics: guided hyperbolic phonon-polaritons in h-BN boost mid-infrared graphene photodetectors h-BN hyperbolic phonon-polaritons can be probed electrically in a van der Waals photodetector by guiding them towards a graphene junction. A team led by F.H.L. Koppens at ICFO developed a nano-opt...

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Autores principales:	Achim Woessner, Romain Parret, Diana Davydovskaya, Yuanda Gao, Jhih-Sheng Wu, Mark B. Lundeberg, Sébastien Nanot, Pablo Alonso-González, Kenji Watanabe, Takashi Taniguchi, Rainer Hillenbrand, Michael M. Fogler, James Hone, Frank H. L. Koppens
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/4206d5c787744aa29c785dfb5c8299dd
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spelling	oai:doaj.org-article:4206d5c787744aa29c785dfb5c8299dd2021-12-02T13:41:45ZElectrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride10.1038/s41699-017-0031-52397-7132https://doaj.org/article/4206d5c787744aa29c785dfb5c8299dd2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41699-017-0031-5https://doaj.org/toc/2397-7132Optoelectronics: guided hyperbolic phonon-polaritons in h-BN boost mid-infrared graphene photodetectors h-BN hyperbolic phonon-polaritons can be probed electrically in a van der Waals photodetector by guiding them towards a graphene junction. A team led by F.H.L. Koppens at ICFO developed a nano-optoelectronic device whereby light from a laser beam, shone on a heterostructure of monolayer graphene encapsulated in h-BN, is converted to hyperbolic phonon-polaritons. Once the latter are launched at the edge of a metallic bottom split gate, they propagate as highly confined and directional rays towards graphene, where they are absorbed. This results in the generation of hot carriers which diffuse spatially towards the graphene junction, giving rise to an inhomogeneous temperature distribution which, in turn, leads to a strong photo-response. Besides enhanced responsivity and room temperature operation, this mid-infrared photodetector possesses tunable frequency selectivity, making it appealing for imaging and sensing applications.Achim WoessnerRomain ParretDiana DavydovskayaYuanda GaoJhih-Sheng WuMark B. LundebergSébastien NanotPablo Alonso-GonzálezKenji WatanabeTakashi TaniguchiRainer HillenbrandMichael M. FoglerJames HoneFrank H. L. KoppensNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492ChemistryQD1-999ENnpj 2D Materials and Applications, Vol 1, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999
spellingShingle	Materials of engineering and construction. Mechanics of materials TA401-492 Chemistry QD1-999 Achim Woessner Romain Parret Diana Davydovskaya Yuanda Gao Jhih-Sheng Wu Mark B. Lundeberg Sébastien Nanot Pablo Alonso-González Kenji Watanabe Takashi Taniguchi Rainer Hillenbrand Michael M. Fogler James Hone Frank H. L. Koppens Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
description	Optoelectronics: guided hyperbolic phonon-polaritons in h-BN boost mid-infrared graphene photodetectors h-BN hyperbolic phonon-polaritons can be probed electrically in a van der Waals photodetector by guiding them towards a graphene junction. A team led by F.H.L. Koppens at ICFO developed a nano-optoelectronic device whereby light from a laser beam, shone on a heterostructure of monolayer graphene encapsulated in h-BN, is converted to hyperbolic phonon-polaritons. Once the latter are launched at the edge of a metallic bottom split gate, they propagate as highly confined and directional rays towards graphene, where they are absorbed. This results in the generation of hot carriers which diffuse spatially towards the graphene junction, giving rise to an inhomogeneous temperature distribution which, in turn, leads to a strong photo-response. Besides enhanced responsivity and room temperature operation, this mid-infrared photodetector possesses tunable frequency selectivity, making it appealing for imaging and sensing applications.
format	article
author	Achim Woessner Romain Parret Diana Davydovskaya Yuanda Gao Jhih-Sheng Wu Mark B. Lundeberg Sébastien Nanot Pablo Alonso-González Kenji Watanabe Takashi Taniguchi Rainer Hillenbrand Michael M. Fogler James Hone Frank H. L. Koppens
author_facet	Achim Woessner Romain Parret Diana Davydovskaya Yuanda Gao Jhih-Sheng Wu Mark B. Lundeberg Sébastien Nanot Pablo Alonso-González Kenji Watanabe Takashi Taniguchi Rainer Hillenbrand Michael M. Fogler James Hone Frank H. L. Koppens
author_sort	Achim Woessner
title	Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
title_short	Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
title_full	Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
title_fullStr	Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
title_full_unstemmed	Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
title_sort	electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/4206d5c787744aa29c785dfb5c8299dd
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Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride

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