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Conical Diffraction and Composite Lieb Bosons in Photonic Lattices

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Diebel, Falko; Leykam, Daniel; Kroesen, S; Denz, Cornelia; Desyatnikov, Anton S

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Pseudospin describes how waves are distributed between different “internal” degrees of freedom or microscopic states, such as polarizations, sublattices, or layers. Here, we experimentally demonstrate and explain wave dynamics in a photonic Lieb lattice, which hosts an integer pseudospin s=1 conical intersection. We study the most striking differences displayed by integer pseudospin states: pseudospin-dependent conical diffraction and the generation of higher charged optical vortices.

dc.contributor.authorDiebel, Falko
dc.contributor.authorLeykam, Daniel
dc.contributor.authorKroesen, S
dc.contributor.authorDenz, Cornelia
dc.contributor.authorDesyatnikov, Anton S
dc.date.accessioned2018-11-29T22:53:13Z
dc.date.available2018-11-29T22:53:13Z
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/1885/152410
dc.description.abstractPseudospin describes how waves are distributed between different “internal” degrees of freedom or microscopic states, such as polarizations, sublattices, or layers. Here, we experimentally demonstrate and explain wave dynamics in a photonic Lieb lattice, which hosts an integer pseudospin s=1 conical intersection. We study the most striking differences displayed by integer pseudospin states: pseudospin-dependent conical diffraction and the generation of higher charged optical vortices.
dc.format.mimetypeapplication/pdf
dc.publisherAmerican Physical Society
dc.sourcePhysical Review Letters
dc.titleConical Diffraction and Composite Lieb Bosons in Photonic Lattices
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume116
dc.date.issued2016
local.identifier.absfor020300 - CLASSICAL PHYSICS
local.identifier.absfor020500 - OPTICAL PHYSICS
local.identifier.absfor049999 - Earth Sciences not elsewhere classified
local.identifier.ariespublicationU3488905xPUB16940
local.type.statusPublished Version
local.contributor.affiliationDiebel, Falko, Westfalische Wilhelms-Universitat
local.contributor.affiliationLeykam, Daniel, College of Science, ANU
local.contributor.affiliationKroesen, S, Westfalische Wilhelms-Universitat Munster
local.contributor.affiliationDenz, Cornelia, Westfalische Wilhelms-University
local.contributor.affiliationDesyatnikov, Anton S, College of Science, ANU
local.bibliographicCitation.issue18
local.bibliographicCitation.startpage183902
local.bibliographicCitation.lastpage183902
local.identifier.doi10.1103/PhysRevLett.116.183902
dc.date.updated2018-11-29T07:51:23Z
local.identifier.scopusID2-s2.0-84966441156
local.identifier.thomsonID000375667800001
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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