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Article: All-angle negative refraction of highly squeezed plasmon and phonon polaritons in graphene-boron nitride heterostructures

TitleAll-angle negative refraction of highly squeezed plasmon and phonon polaritons in graphene-boron nitride heterostructures
Authors
KeywordsGraphene-boron nitride heterostructure
Negative refraction
Phonon polariton
Plasmon polariton
Issue Date2017
Citation
Proceedings of the National Academy of Sciences of the United States of America, 2017, v. 114, n. 26, p. 6717-6721 How to Cite?
AbstractA fundamental building block for nanophotonics is the ability to achieve negative refraction of polaritons, because this could enable the demonstration of many unique nanoscale applications such as deep-subwavelength imaging, superlens, and novel guiding. However, to achieve negative refraction of highly squeezed polaritons, such as plasmon polaritons in graphene and phonon polaritons in boron nitride (BN) with their wavelengths squeezed by a factor over 100, requires the ability to flip the sign of their group velocity at will, which is challenging. Here we reveal that the strong coupling between plasmon and phonon polaritons in graphene-BN heterostructures can be used to flip the sign of the group velocity of the resulting hybrid (plasmon-phonon-polariton) modes. We predict allangle negative refraction between plasmon and phonon polaritons and, even more surprisingly, between hybrid graphene plasmons and between hybrid phonon polaritons. Graphene-BN heterostructures thus provide a versatile platform for the design of nanometasurfaces and nanoimaging elements.
Persistent Identifierhttp://hdl.handle.net/10722/317052
ISSN
2023 Impact Factor: 9.4
2023 SCImago Journal Rankings: 3.737
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLin, Xiao-
dc.contributor.authorYang, Yi-
dc.contributor.authorRivera, Nicholas-
dc.contributor.authorLópez, Josué J.-
dc.contributor.authorShen, Yichen-
dc.contributor.authorKaminer, Ido-
dc.contributor.authorChen, Hongsheng-
dc.contributor.authorZhang, Baile-
dc.contributor.authorJoannopoulos, John D.-
dc.contributor.authorSoljačic, Marin-
dc.date.accessioned2022-09-19T06:18:41Z-
dc.date.available2022-09-19T06:18:41Z-
dc.date.issued2017-
dc.identifier.citationProceedings of the National Academy of Sciences of the United States of America, 2017, v. 114, n. 26, p. 6717-6721-
dc.identifier.issn0027-8424-
dc.identifier.urihttp://hdl.handle.net/10722/317052-
dc.description.abstractA fundamental building block for nanophotonics is the ability to achieve negative refraction of polaritons, because this could enable the demonstration of many unique nanoscale applications such as deep-subwavelength imaging, superlens, and novel guiding. However, to achieve negative refraction of highly squeezed polaritons, such as plasmon polaritons in graphene and phonon polaritons in boron nitride (BN) with their wavelengths squeezed by a factor over 100, requires the ability to flip the sign of their group velocity at will, which is challenging. Here we reveal that the strong coupling between plasmon and phonon polaritons in graphene-BN heterostructures can be used to flip the sign of the group velocity of the resulting hybrid (plasmon-phonon-polariton) modes. We predict allangle negative refraction between plasmon and phonon polaritons and, even more surprisingly, between hybrid graphene plasmons and between hybrid phonon polaritons. Graphene-BN heterostructures thus provide a versatile platform for the design of nanometasurfaces and nanoimaging elements.-
dc.languageeng-
dc.relation.ispartofProceedings of the National Academy of Sciences of the United States of America-
dc.subjectGraphene-boron nitride heterostructure-
dc.subjectNegative refraction-
dc.subjectPhonon polariton-
dc.subjectPlasmon polariton-
dc.titleAll-angle negative refraction of highly squeezed plasmon and phonon polaritons in graphene-boron nitride heterostructures-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1073/pnas.1701830114-
dc.identifier.pmid28611222-
dc.identifier.scopuseid_2-s2.0-85021434234-
dc.identifier.volume114-
dc.identifier.issue26-
dc.identifier.spage6717-
dc.identifier.epage6721-
dc.identifier.eissn1091-6490-
dc.identifier.isiWOS:000404108400047-

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