Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas

Phonon polaritons (PhPs)—light coupled to lattice vibrations—with in-plane hyperbolic dispersion exhibit ray-like propagation with large wave vectors and enhanced density of optical states along certain directions on a surface. As such, they have raised a surge of interest, promising unprecedented m...

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Autores: Martín-Sánchez, Javier, Duan, Jiahua, Taboada-Gutiérrez, Javier, Álvarez-Pérez, Gonzalo, Voronin, Kirill V., Prieto, Iván, Ma, Weiliang, Bao, Qiaoliang, Volkov, Valentyn S., Alonso-González, Pablo
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2021
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/259106
Acceso en línea:http://hdl.handle.net/10261/259106
Access Level:acceso abierto
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dc.title.none.fl_str_mv Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
title Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
spellingShingle Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
Martín-Sánchez, Javier
title_short Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
title_full Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
title_fullStr Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
title_full_unstemmed Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
title_sort Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
dc.creator.none.fl_str_mv Martín-Sánchez, Javier
Duan, Jiahua
Taboada-Gutiérrez, Javier
Álvarez-Pérez, Gonzalo
Voronin, Kirill V.
Prieto, Iván
Ma, Weiliang
Bao, Qiaoliang
Volkov, Valentyn S.
Alonso-González, Pablo
author Martín-Sánchez, Javier
author_facet Martín-Sánchez, Javier
Duan, Jiahua
Taboada-Gutiérrez, Javier
Álvarez-Pérez, Gonzalo
Voronin, Kirill V.
Prieto, Iván
Ma, Weiliang
Bao, Qiaoliang
Volkov, Valentyn S.
Alonso-González, Pablo
author_role author
author2 Duan, Jiahua
Taboada-Gutiérrez, Javier
Álvarez-Pérez, Gonzalo
Voronin, Kirill V.
Prieto, Iván
Ma, Weiliang
Bao, Qiaoliang
Volkov, Valentyn S.
Alonso-González, Pablo
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
European Commission
European Research Council
Principado de Asturias
Ministry of Science and Higher Education of the Russian Federation
Eusko Jaurlaritza
Ministerio de Economía y Competitividad (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
description Phonon polaritons (PhPs)—light coupled to lattice vibrations—with in-plane hyperbolic dispersion exhibit ray-like propagation with large wave vectors and enhanced density of optical states along certain directions on a surface. As such, they have raised a surge of interest, promising unprecedented manipulation of infrared light at the nanoscale in a planar circuitry. Here, we demonstrate focusing of in-plane hyperbolic PhPs propagating along thin slabs of α-MoO3. To that end, we developed metallic nanoantennas of convex geometries for both efficient launching and focusing of the polaritons. The foci obtained exhibit enhanced near-field confinement and absorption compared to foci produced by in-plane isotropic PhPs. Foci sizes as small as λp/4.5 = λ0/50 were achieved (λp is the polariton wavelength and λ0 is the photon wavelength). Focusing of in-plane hyperbolic polaritons introduces a first and most basic building block developing planar polariton optics using in-plane anisotropic van der Waals materials.
publishDate 2021
dc.date.none.fl_str_mv 2021
2022
2022
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dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/259106
url http://hdl.handle.net/10261/259106
dc.language.none.fl_str_mv Inglés
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-110308GA-I00
info:eu-repo/grantAgreement/EC/H2020/715496
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2017-88358-C3-3-R
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info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MDM-2016-0618
https://doi.org/10.1126/sciadv.abj0127
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dc.publisher.none.fl_str_mv American Association for the Advancement of Science
publisher.none.fl_str_mv American Association for the Advancement of Science
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spelling Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennasMartín-Sánchez, JavierDuan, JiahuaTaboada-Gutiérrez, JavierÁlvarez-Pérez, GonzaloVoronin, Kirill V.Prieto, IvánMa, WeiliangBao, QiaoliangVolkov, Valentyn S.Alonso-González, PabloPhonon polaritons (PhPs)—light coupled to lattice vibrations—with in-plane hyperbolic dispersion exhibit ray-like propagation with large wave vectors and enhanced density of optical states along certain directions on a surface. As such, they have raised a surge of interest, promising unprecedented manipulation of infrared light at the nanoscale in a planar circuitry. Here, we demonstrate focusing of in-plane hyperbolic PhPs propagating along thin slabs of α-MoO3. To that end, we developed metallic nanoantennas of convex geometries for both efficient launching and focusing of the polaritons. The foci obtained exhibit enhanced near-field confinement and absorption compared to foci produced by in-plane isotropic PhPs. Foci sizes as small as λp/4.5 = λ0/50 were achieved (λp is the polariton wavelength and λ0 is the photon wavelength). Focusing of in-plane hyperbolic polaritons introduces a first and most basic building block developing planar polariton optics using in-plane anisotropic van der Waals materials.J.M.-S. acknowledges financial support from the Ramón y Cajal Program of the Government of Spain and FSE (RYC2018-026196-I) and the Spanish Ministry of Science and Innovation (State Plan for Scientific and Technical Research and Innovation grant number PID2019-110308GA-I00). P.A.-G. acknowledges support from the European Research Council under starting grant no. 715496, 2DNANOPTICA, and the Spanish Ministry of Science and Innovation (State Plan for Scientific and Technical Research and Innovation grant number PID2019-111156GB-I00). J.T.-G. acknowledges support through the Severo Ochoa Program from the Government of the Principality of Asturias (PA-18-PF-BP17-126). G.A.-P. acknowledges support through the Severo Ochoa Program from the Government of the Principality of Asturias (PA-20-PF-BP19-053). K.V.V. and V.S.V. acknowledge the financial support from the Ministry of Science and Higher Education of the Russian Federation (agreement no. 075-15-2021-606). A.Y.N. acknowledges the Spanish Ministry of Science, Innovation, and Universities (national projects MAT2017-88358-C3-3-R and PID2020-115221GB-C42) and the Basque Department of Education (PIBA-2020-1-0014). R.H. acknowledges financial support from the Spanish Ministry of Science, Innovation, and Universities (national project number RTI2018-094830-B-100 and project number MDM-2016-0618 of the Marie de Maeztu Units of Excellence Program) and the Basque Government (grant number IT1164-19).Peer reviewedAmerican Association for the Advancement of ScienceMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)European CommissionEuropean Research CouncilPrincipado de AsturiasMinistry of Science and Higher Education of the Russian FederationEusko JaurlaritzaMinisterio de Economía y Competitividad (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202220222021info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/259106reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RYC2018-026196-Iinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-110308GA-I00info:eu-repo/grantAgreement/EC/H2020/715496info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-111156GB-I00info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MAT2017-88358-C3-3-Rinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-115221GB-C42info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-094830-B-I00info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/MDM-2016-0618https://doi.org/10.1126/sciadv.abj0127Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2591062026-05-22T06:33:51Z
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