Dipole azimuthons and vortex charge flipping in nematic liquid crystals

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dc.contributor.authorIzdebskaya, Yana V
dc.contributor.authorDesyatnikov, Anton S
dc.contributor.authorAssanto, Gaetano
dc.contributor.authorKivshar, Yuri
dc.date.accessioned2016-04-26T03:19:46Z
dc.date.available2016-04-26T03:19:46Z
dc.date.issued2011-10-24
dc.date.updated2016-06-14T09:18:44Z
dc.description.abstractWe demonstrate self-trapped laser beams carrying phase singularities in nematic liquid crystals. We experimentally observe the astigmatic transformation of vortex beams into spiraling dipole azimuthons accompanied by power-dependent charge-flipping of the on-axis phase singularity. The latter topological reactions involve triplets of vortex lines and resemble pitchfork bifurcations.
dc.description.sponsorshipWe acknowledge support from the Australian Research Council and thank G. Molina-Terriza, E. Abramochkin, and W. Krolikowski for useful discussions.en_AU
dc.format10 pages
dc.identifier.issn1094-4087en_AU
dc.identifier.urihttp://hdl.handle.net/1885/101118
dc.publisherOptical Society of America
dc.rights© 2011 Optical Society of America
dc.sourceOptics express
dc.subjectSpatial solitons
dc.subjectOptical vortices
dc.subjectLiquid crystals
dc.titleDipole azimuthons and vortex charge flipping in nematic liquid crystals
dc.typeJournal article
dcterms.accessRightsOpen Accessen_AU
dcterms.dateAccepted2011-10-05
local.bibliographicCitation.issue22en_AU
local.bibliographicCitation.lastpage21466en_AU
local.bibliographicCitation.startpage21457en_AU
local.contributor.affiliationIzdebskaya, Yana, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Nonlinear Physics Centre, The Australian National Universityen_AU
local.contributor.affiliationDesyatnikov, Anton S, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Nonlinear Physics Centre, The Australian National Universityen_AU
local.contributor.affiliationAssanto, Gaetano, University Roma Tre, Italyen_AU
local.contributor.affiliationKivshar, Yuri, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Nonlinear Physics Centre, The Australian National Universityen_AU
local.contributor.authoremailAnton.Desyatnykov@anu.edu.auen_AU
local.contributor.authoruidu4150773en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor020501en_AU
local.identifier.absseo970102en_AU
local.identifier.ariespublicationu9201385xPUB362en_AU
local.identifier.citationvolume19en_AU
local.identifier.doi10.1364/OE.19.021457en_AU
local.identifier.essn1094-4087en_AU
local.identifier.scopusID2-s2.0-80054909130
local.identifier.thomsonID000296568100034
local.identifier.uidSubmittedByu3488905en_AU
local.publisher.urlhttp://www.osa.org/en_AU
local.type.statusPublished Versionen_AU

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