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Polarization Independent Focusing of Light by Gradually Modulated Annular Photonic Structure

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dc.contributor.author Tellioglu, Buse
dc.contributor.author Bor, Emre
dc.contributor.author Turduev, Mirbek
dc.contributor.author Kurt, Hamza
dc.date.accessioned 2019-06-27T07:17:36Z
dc.date.available 2019-06-27T07:17:36Z
dc.date.issued 2016
dc.identifier.isbn 9781509014675
dc.identifier.issn 2162-7339
dc.identifier.uri http://hdl.handle.net/20.500.12485/223
dc.description.abstract In this manuscript, we propose the design of an inhomogeneous artificially modeled graded photonic crystal (PC) medium to control and enrich the polarization insensitive focusing ability of light by using annular type all-dielectric materials. To obtain the graded annular PC structure, the lattice spacing along the transverse direction is modulated according to a parabolic function. The inner and outer radii of the annular PCs are optimized to attain frequency response of the graded structure. Even though the frequency responses of the transmission spectrum for different radial parameters exhibit different oscillation patterns for both TE and TM polarizations, optimum radii are determined where overlapping high transmission region is observed. Light focusing characteristics at those overlapping frequency regions are systematically and quantitatively investigated. Polarization insensitive focusing is achieved for bandwidth corresponding to similar to 6%. The designed structure can be used in integrated nanophotonics as a compact optical element with flat surfaces operating at both polarizations with high power transmission efficiency. en_US
dc.language.iso en en_US
dc.publisher IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA en_US
dc.subject Engineering en_US
dc.subject Telecommunications en_US
dc.subject Engineering, Electrical & Electronic en_US
dc.subject Optics en_US
dc.title Polarization Independent Focusing of Light by Gradually Modulated Annular Photonic Structure en_US
dc.type Other en_US
dc.relation.journal 2016 18th International Conference on Transparent Optical Networks (ICTON)
dc.contributor.authorID 0000-0002-3334-0808
dc.contributor.authorID 0000-0002-1262-3761
dc.identifier.startpage 1
dc.identifier.endpage 4


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