Publication:
Formation of reconfigurable optical channel waveguides and beam splitters on top of proton-implanted lithium niobate crystals using spatial dark soliton-like structures

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cris.virtual.departmentExperimentalphysik und Materialwissenschaften
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cris.virtual.departmentbrowseExperimentalphysik und Materialwissenschaften
cris.virtual.departmentbrowseExperimentalphysik und Materialwissenschaften
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dc.contributor.authorTan, Yang
dc.contributor.authorChen, Feng
dc.contributor.authorWang, Xue Lin
dc.contributor.authorWang, Lei
dc.contributor.authorShandarov, V. M.
dc.contributor.authorKip, Detlef
dc.date.issued2008-05
dc.description.abstractWe report on the formation of reconfigurable optical channel waveguides (including straight stripes and Y-branches) on top of iron-doped lithium niobate crystals. The sample surface is first implanted by 500 keV protons to form a planar waveguide showing a propagation loss of ∼1.6 dB cm-1 after modest post-implantation annealing. Afterwards, the sample surface is illuminated with well-defined stripe patterns (straight channels, beam splitters) of green light using lithographic masks. Due to the photovoltaic effect in lithium niobate resulting in negative index changes in illuminated regions, waveguide layers are formed in the non-illuminated regions perpendicular to the planar waveguide in the same way as it occurs in the dark spatial soliton regime. In this way two-dimensional waveguides are formed in the overlap region on top of the crystal that may be used for reconfigurable optical interconnections and splitters. © 2008 IOP Publishing Ltd.
dc.description.versionNA
dc.identifier.doi10.1088/0022-3727/41/10/102001
dc.identifier.issn1361-6463
dc.identifier.issn0022-3727
dc.identifier.scopus2-s2.0-43049100403
dc.identifier.urihttps://openhsu.ub.hsu-hh.de/handle/10.24405/14010
dc.language.isoen
dc.publisherIOP Publishing
dc.relation.journalJournal of physics. D, Applied physics
dc.relation.orgunitTechnische Universität Clausthal
dc.rights.accessRightsmetadata only access
dc.titleFormation of reconfigurable optical channel waveguides and beam splitters on top of proton-implanted lithium niobate crystals using spatial dark soliton-like structures
dc.typeResearch article
dcterms.bibliographicCitation.originalpublisherplaceBristol
dspace.entity.typePublication
hsu.uniBibliographyNein
oaire.citation.issue10
oaire.citation.volume41
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