Coupling and phase analysis of cavity structures in two-dimensional photonic crystals

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage085108-7en_US
dc.citation.issueNumber8en_US
dc.citation.spage085108-1en_US
dc.citation.volumeNumber71en_US
dc.contributor.authorGuven, K.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.date.accessioned2019-02-13T07:07:23Z
dc.date.available2019-02-13T07:07:23Z
dc.date.issued2005en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractAn experimental and numerical study of the coupling properties of cavity waveguides and the phase advancement through the coupled cavity waveguides in two-dimensional photonic crystals is presented. We find that the resonance frequency is insensitive to the confinement strength for cavity and for finite size defects. We obtain the coupling constant as a function of the distance between two cavities within the tight-binding formalism experimentally, and show the exponential decay of the coupling strength. By measuring the phase spectra of coupled cavity waveguides sCCW’sd, we clearly demonstrate that the phase shift across the guiding band is equal to Np, where N is the number of cavities in the waveguide. This essential behavior is employed to analyze the transmission response of CCW-based Mach-Zehnder interferometer structures introduced recently.en_US
dc.description.provenanceSubmitted by Merve Nalbant (merve.nalbant@bilkent.edu.tr) on 2019-02-13T07:07:23Z No. of bitstreams: 1 Coupling_and_phase_analysis_of_cavity_structures_in_two-dimensional_photonic_crystals.pdf: 877054 bytes, checksum: e72915265254a2a2695d3512865945fb (MD5)en
dc.description.provenanceMade available in DSpace on 2019-02-13T07:07:23Z (GMT). No. of bitstreams: 1 Coupling_and_phase_analysis_of_cavity_structures_in_two-dimensional_photonic_crystals.pdf: 877054 bytes, checksum: e72915265254a2a2695d3512865945fb (MD5) Previous issue date: 2005en
dc.identifier.doi10.1103/PhysRevB.71.085108en_US
dc.identifier.eissn2469-9969
dc.identifier.issn2469-9950
dc.identifier.urihttp://hdl.handle.net/11693/49377
dc.language.isoEnglishen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttps://doi.org/10.1103/PhysRevB.71.085108en_US
dc.source.titlePhysical Review B: covering condensed matter and materials physicsen_US
dc.titleCoupling and phase analysis of cavity structures in two-dimensional photonic crystalsen_US
dc.typeArticleen_US

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