Analysis of dielectric waveguide bends and curved coupler structures using finite difference beam propagation method

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buir.advisorAltıntaş, Ayhan
dc.contributor.authorOfli, Erdem
dc.date.accessioned2016-01-08T20:15:12Z
dc.date.available2016-01-08T20:15:12Z
dc.date.issued1997
dc.descriptionAnkara : The Department of Electrical and Electronics Engineering and the Institute of Engineering and Sciences of Bilkent Univ., 1997.en_US
dc.descriptionThesis (Master's) -- -Bilkent University, 1997.en_US
dc.descriptionIncludes bibliographical references leaves 49-52en_US
dc.description.abstractIn this thesis, implicit finite difference beam propagation method based on Crank Nicholson discretization procedure is implemented and applied to the analysis of propagation of optical beams in an orthogonal bend and a curved coupler structure. The efficiency factor which accounts for the power loss as a result of the bend is calculated for different waveguide width values and compiired with analytic solutions in the analysis of the orthogonal bend. Also, the effect of the rotation of the etched semiconductor-air interface from its ideal position is examined. In the curved coupler analysis, the bend loss and the variation of lower transfer ratios for different values of minimum distance that separates the branches of the structure are investigated and compared with analytic solutions. On both structure, the evolution of the Gaussian beam in the positive ^-direction is obtained.en_US
dc.description.provenanceMade available in DSpace on 2016-01-08T20:15:12Z (GMT). No. of bitstreams: 1 1.pdf: 78510 bytes, checksum: d85492f20c2362aa2bcf4aad49380397 (MD5)en
dc.description.statementofresponsibilityOfli, Erdemen_US
dc.format.extent52 leavesen_US
dc.identifier.urihttp://hdl.handle.net/11693/17987
dc.language.isoEnglishen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBeam Propagation Methoden_US
dc.subjectPhotonic Integrated Circuitsen_US
dc.subjectWaveguide Couplersen_US
dc.subjectOptical Waveguide Bendsen_US
dc.subject.lccQA247.45 .O35 1997en_US
dc.subject.lcshDivision algebras.en_US
dc.subject.lcshGaussian sums.en_US
dc.subject.lcshWave guides.en_US
dc.titleAnalysis of dielectric waveguide bends and curved coupler structures using finite difference beam propagation methoden_US
dc.typeThesisen_US
thesis.degree.disciplineElectrical and Electronic Engineering
thesis.degree.grantorBilkent University
thesis.degree.levelMaster's
thesis.degree.nameMS (Master of Science)

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