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dc.contributor.authorAlfaro-Mozaz, Francisco J.es_ES
dc.contributor.authorRodrigo, Sergio G.es_ES
dc.contributor.authorAlonso-González, Pabloes_ES
dc.contributor.authorVélez, Saüles_ES
dc.contributor.authorDolado, Irenees_ES
dc.contributor.authorCasanova, Félixes_ES
dc.contributor.authorHueso, Luis E.es_ES
dc.contributor.authorMartín-Moreno, Luises_ES
dc.contributor.authorHillenbrand, Raineres_ES
dc.contributor.authorNikitin, Alexey Y.es_ES
dc.date.accessioned2019-05-16T11:08:45Z-
dc.date.available2019-05-16T11:08:45Z-
dc.date.issued2019-
dc.identifier.citationNature Communications 10: 42 (2019)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/181515-
dc.description.abstractPhotonic crystals (PCs) are periodically patterned dielectrics providing opportunities to shape and slow down the light for processing of optical signals, lasing and spontaneous emission control. Unit cells of conventional PCs are comparable to the wavelength of light and are not suitable for subwavelength scale applications. We engineer a nanoscale hole array in a van der Waals material (h-BN) supporting ultra-confined phonon polaritons (PhPs)—atomic lattice vibrations coupled to electromagnetic fields. Such a hole array represents a polaritonic crystal for mid-infrared frequencies having a unit cell volume of 10−5λ30 (with λ0 being the free-space wavelength), where PhPs form ultra-confined Bloch modes with a remarkably flat dispersion band. The latter leads to both angle- and polarization-independent sharp Bragg resonances, as verified by far-field spectroscopy and near-field optical microscopy. Our findings could lead to novel miniaturized angle- and polarization-independent infrared narrow-band couplers, absorbers and thermal emitters based on van der Waals materials and other thin polar materials.es_ES
dc.description.sponsorshipThe authors acknowledge financial support from the European Commission under the Graphene Flagship (GrapheneCore2), the Spanish Ministry of Economy and Competitiveness (national projects MAT2017-88358-C3,MAT 2015-65159-R, MAT2014-53432-C5, FIS2014-60195-JIN), the Basque government (PhD fellowship PRE-2016-1-0150) and the European Research Council under the starting grants SPINTROS (Grant no. 257654) and 2DNANOPTICA (Grant no. 715496).es_ES
dc.language.isoenges_ES
dc.publisherSpringer Naturees_ES
dc.relationMAT2017-88358-C3/AEI/10.13039/501100011033-
dc.relationMICIU/ICTI2017-2020/MAT2017-88358-C3es_ES
dc.relationMINECO/ICTI2013-2016/MAT2015-65159-Res_ES
dc.relationMINECO/ICTI2013-2016/MAT2014-53432-C5es_ES
dc.relationMINECO/ICTI2013-2016/FIS2014-60195-JINes_ES
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/785219es_ES
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/257654es_ES
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/715496es_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.titleDeeply subwavelength phonon-polaritonic crystal made of a van der Waals materiales_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1038/s41467-018-07795-6-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1038/s41467-018-07795-6es_ES
dc.identifier.e-issn2041-1723-
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/es_ES
dc.contributor.funderAgencia Estatal de Investigación (España)-
dc.contributor.funderEusko Jaurlaritzaes_ES
dc.contributor.funderEuropean Commissiones_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderEuropean Research Counciles_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000781es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003086es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100011033es_ES
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