Coupled-waveguide Fabry-Perot resonator

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dc.contributor.authorChang, Cheng-Chunen
dc.contributor.committeechairSafaai-Jazi, Ahmaden
dc.contributor.committeememberJacobs, Iraen
dc.contributor.committeememberPoon, Ting-Chungen
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T21:46:53Zen
dc.date.adate2009-10-06en
dc.date.available2014-03-14T21:46:53Zen
dc.date.issued1992-12-04en
dc.date.rdate2009-10-06en
dc.date.sdate2009-10-06en
dc.description.abstractNarrowband spectral filters find important applications in optical fiber communication systems, particularly in wavelength demultiplexers and single-frequency semiconductor lasers. Conventional Fabry-Perot resonators provide a narrow spectral width but lack the capability of mode discrimination. A new coupled-waveguide Fabry-Perot resonator made of two parallel waveguides with reflecting mirrors at the ends is proposed for application as narrowband tuned spectral filter in single-mode diode lasers and wavelength demultiplexers. The interference of counter propagating waves from reflection by end mirrors and the coupling of waves between the two parallel guides contribute to the operation of this resonator structure. Thus, the device exhibits the attributes of both Fabry-Perot resonator and directional coupler. The coupled-mode theory of parallel waveguides is employed to analyze the proposed structure. Spectral characteristics are derived from the governing coupled-mode equations and related boundary conditions. Two geometries consisting of identical waveguides, as well as nonidentical waveguides, are examined. The spectral characteristics of the proposed resonator demonstrate that significant improvement in mode discrimination capability and longitudinal mode spacing over the conventional Fabry-Perot resonator is achieved. Numerical results for several example cases are presented and the influence of various parameters on spectral properties are investigated.en
dc.description.degreeMaster of Scienceen
dc.format.extentviii, 80 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-10062009-020056en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-10062009-020056/en
dc.identifier.urihttp://hdl.handle.net/10919/45008en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1992.C523.pdfen
dc.relation.isformatofOCLC# 27689294en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1992.C523en
dc.subject.lcshElectric resonatorsen
dc.subject.lcshFabry-Perot interferometersen
dc.titleCoupled-waveguide Fabry-Perot resonatoren
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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