Laser wavelength upconversion with optical parametric oscillators using simultaneously phase-matched crystals

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buir.advisorAytür, Orhan
dc.contributor.authorKartaloğlu, Tolga
dc.date.accessioned2016-01-08T20:19:42Z
dc.date.available2016-01-08T20:19:42Z
dc.date.issued2002
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionAnkara : The Department of Electrical and Electronics Engineering and the Institute of Engineering and Sciences of Bilkent Univ., 2002.en_US
dc.descriptionThesis (Ph. D.) -- Bilkent University, 2002.en_US
dc.descriptionIncludes bibliographical references leaves 108-118.en_US
dc.description.abstractIn this thesis, we present our work on optical parametric oscillators that employ a single nonlinear crystal that is simultaneously-phase-matched for second-harmonic or sum-frequency generation in order to obtain frequency upconversion of laser radiation. We achieved simultaneous phase matching of optical parametric amplification together with second harmonic generation or sum frequency generation in bulk KT10P04 and KTi0 As04 crystals, and in an aperiodically-poled LiNbOs crystal. We demonstrated very efficient frequency conversion of pulsed and continuous-wave lasers to higher frequencies with power conversion efficiencies reaching 40%. In addition, we present our work on an intracavity-doubled optical parametric oscillator that employs a periodicallypoled KT10P 04 crystal for optical parametric amplification and an intracavity (3- Ba2B04 crystal for second harmonic generation. In this thesis, we also introduce a method for designing aperiodic grating structures for simultaneous phase matching in poled nonlinear crystals. In contrast to periodic grating structures, a grating structure designed using our method allows one to achieve simultaneous quasi-phase matching of two arbitrarily chosen nonlinear interactions with freely adjustable coupling coefficients.en_US
dc.description.degreePh.D.en_US
dc.description.statementofresponsibilityKartaloğlu, Tolgaen_US
dc.format.extentxv, 119 leaves, illustrationsen_US
dc.identifier.urihttp://hdl.handle.net/11693/18480
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectNonlinear frequency conversionen_US
dc.subjectOptical parametric oscillatorsen_US
dc.subjectParametric devicesen_US
dc.subjectSecond harmonic generationen_US
dc.subjectSum frequency generationen_US
dc.subjectQuasi-phase matchingen_US
dc.subjectAperiodically-poleden_US
dc.subject.lccTK7872.O7 K371 2002en_US
dc.subject.lcshOscillators, Electric.en_US
dc.subject.lcshOscillators, Crystal.en_US
dc.subject.lcshParametric devices.en_US
dc.titleLaser wavelength upconversion with optical parametric oscillators using simultaneously phase-matched crystalsen_US
dc.typeThesisen_US

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