Modeling of ion-exchanged glass waveguide structures

Glass waveguide devices fabricated by ion exchange have evolved to the point where conventional assumptions of waveguide symmetry and mutual independence are no longer valid. We describe a modeling tool that allows for the presence of an arbitrary, nonhomogeneous electric field distribution during t...

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Bibliographic Details
Published inJournal of non-crystalline solids Vol. 347; no. 1-3; pp. 18 - 26
Main Authors West, Brian R., Madasamy, Pratheepan, Peyghambarian, N., Honkanen, S.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.11.2004
Elsevier
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions
Superconductivity
42.82.Et
O120
I210
66.30.Dn
02.70.−c
F135
61.43.Fs
Field distribution
Material processing
Electric field effects
Glass
Proximity effect
Modelling
Glass structure
Ion exchange
Ion distribution
Exchange interactions
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Summary:Glass waveguide devices fabricated by ion exchange have evolved to the point where conventional assumptions of waveguide symmetry and mutual independence are no longer valid. We describe a modeling tool that allows for the presence of an arbitrary, nonhomogeneous electric field distribution during the ion exchange process. An asymmetric waveguide produced by selective field-assisted burial is modeled and discussed. A directional coupler fabricated by field-assisted thermal ion exchange and subsequent field-assisted burial is modeled, and it is shown that a proximity effect exists in which the waveguides exert a mutual influence upon each other during processing.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-3093
1873-4812
DOI:10.1016/j.jnoncrysol.2004.09.013