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Nonlinear dynamics of two-color optical vortices in lithium niobate crystals

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Dreischuh, Alexander; Neshev, Dragomir; Kolev, Vesselin Z; Saltiel, Solomon; Samoc, Marek; Krolikowski, Wieslaw; Kivshar, Yuri

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We study experimentally the nonlinear dynamics of two-color optical vortex beams in the presence of second-harmonic generation combined with the effects of photo- and thermal refraction, as well as self- and induced-phase modulation.We use an iron-doped lithium niobate crystal as a nonlinear medium for the vortex propagation and observe experimentally, depending on the laser wavelength, a decay of a double-charge vortex, splitting and reshaping of background beam, pattern formation, and...[Show more]

dc.contributor.authorDreischuh, Alexander
dc.contributor.authorNeshev, Dragomir
dc.contributor.authorKolev, Vesselin Z
dc.contributor.authorSaltiel, Solomon
dc.contributor.authorSamoc, Marek
dc.contributor.authorKrolikowski, Wieslaw
dc.contributor.authorKivshar, Yuri
dc.date.accessioned2009-06-04T05:36:09Z
dc.date.accessioned2010-12-20T06:05:57Z
dc.date.available2009-06-04T05:36:09Z
dc.date.available2010-12-20T06:05:57Z
dc.identifier.citationOptics Express 16.8 (2008): 5406-5420
dc.identifier.issn1094-4087
dc.identifier.urihttp://hdl.handle.net/10440/407
dc.identifier.urihttp://digitalcollections.anu.edu.au/handle/10440/407
dc.description.abstractWe study experimentally the nonlinear dynamics of two-color optical vortex beams in the presence of second-harmonic generation combined with the effects of photo- and thermal refraction, as well as self- and induced-phase modulation.We use an iron-doped lithium niobate crystal as a nonlinear medium for the vortex propagation and observe experimentally, depending on the laser wavelength, a decay of a double-charge vortex, splitting and reshaping of background beam, pattern formation, and controllable nonlinear rotation of a vortex pair.
dc.format15 pages
dc.publisherOptical Society of America
dc.rights"OSA will grant the authors permission to deposit the publisher’s pdf from their Optics Express articles into the repository with the proper citation (reference number or journal /volume/page/year citation)." - from email received from Authorized Agent, The Optical Society, 27/05/10
dc.sourceOptics Express
dc.source.urihttp://www.opticsinfobase.org/DirectPDFAccess/A9B6D3C2-BDB9-137E-CE2914E7541E7E9F_157062.pdf?da=1&id=157062&seq=0&CFID=39997365&CFTOKEN=32868506
dc.subjectNonlinear optics, transverse effects in
dc.subjectNonlinear optics
dc.subjectFrequency conversion
dc.subjectSelf-action effects
dc.subjectPhotorefractive nonlinear optics
dc.titleNonlinear dynamics of two-color optical vortices in lithium niobate crystals
dc.typeJournal article
local.description.notesAffiliation in article: Dreischuh, Alexander and Saltiel, Solomon, also with Sofia University, Faculty of Physics, Bulgaria.
local.identifier.citationvolume16
dcterms.dateAccepted2008-03-31
dc.date.issued2008-04-03
local.identifier.absfor020501
local.identifier.ariespublicationu9201385xPUB66
local.type.statusPublished Version
local.contributor.affiliationDreischuh, Alexander, Research School of Physical Sciences and Engineering, Non-Linear Physics Centre
local.contributor.affiliationNeshev, Dragomir, Research School of Physical Sciences and Engineering, Non-Linear Physics Centre
local.contributor.affiliationKolev, Vesselin Z, Research School of Physical Sciences and Engineering, Laser Physics Centre
local.contributor.affiliationSaltiel, Solomon, Research School of Physical Sciences and Engineering, Non-Linear Physics Centre
local.contributor.affiliationSamoc, Marek, Research School of Physical Sciences and Engineering, Laser Physics Centre
local.contributor.affiliationKrolikowski, Wieslaw, Research School of Physical Sciences and Engineering, Laser Physics Centre
local.contributor.affiliationKivshar, Yuri S, Research School of Physical Sciences and Engineering, Non-Linear Physics Centre
local.bibliographicCitation.issue8
local.bibliographicCitation.startpage5406
local.bibliographicCitation.lastpage5420
local.identifier.doi10.1364/OE.16.005406
dc.date.updated2015-12-08T07:37:46Z
local.identifier.scopusID2-s2.0-42149164947
local.identifier.thomsonID000255120300027
CollectionsANU Research Publications

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