Homodyne detection of multimode optical signals

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buir.advisorŞaplakoğlu, Gürhan
dc.contributor.authorHaq, Mujtaba Fidaul
dc.date.accessioned2016-01-08T20:09:39Z
dc.date.available2016-01-08T20:09:39Z
dc.date.issued1991
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionAnkara : Department of Electrical and Electronics Engineering and Institute of Engineering and Sciences, Bilkent Univ., 1991.en_US
dc.descriptionThesis (Master's) -- Bilkent University, 1991.en_US
dc.descriptionIncludes bibliographical references leaves 37-38en_US
dc.description.abstractThe feasibility of coherent hoinodyne detection for multimode optical sources is experimentally investigated. By employing the self-homodyne detection, it is observed that a considerable amount of mixing can take place between the signal and local oscillator fields despite the relatively small coherence length of multimode lasers. The experiment was carried out using an a.ll-a.tmosplieric set-up, uecessitating a thorough calculation of power losses due to beam misahgnment. Power losses in the interference term for radial and angular misalignments were calculated for first order Gaussian beams. It is seen that radial misalignment is intolerable lor beam radii ratios smaller than 0.35 whereas angular misalignment becomes intolerable for angular deviations greater than a few tens of milli degrees.en_US
dc.description.degreeM.S.en_US
dc.description.statementofresponsibilityHaq, Mujtaba Fidaulen_US
dc.format.extentvii, 38 leaves, illustrationsen_US
dc.identifier.urihttp://hdl.handle.net/11693/17365
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCoherent detectionen_US
dc.subjectOptical communicationen_US
dc.subjectGaussian beam mis-ahgnmenten_US
dc.subject.lccTK5103.59 .H37 1991en_US
dc.subject.lcshOptical communications.en_US
dc.titleHomodyne detection of multimode optical signalsen_US
dc.typeThesisen_US

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Dept. of Electrical and Electronics Engineering - Master's degree