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dc.contributor.authorYasa, Utku Gorkem
dc.contributor.authorTurduev, Mirbek
dc.contributor.authorGiden, Ibrahim Halil
dc.contributor.authorKurt, Hamza
dc.identifier.citationYasa, U. G., Turduev, M., Giden, I. H., & Kurt, H. (2017). High extinction ratio polarization beam splitter design by low-symmetric photonic crystals. Journal of Lightwave Technology, 35(9), 1677-1683.en_US
dc.description.abstractA novel concept of polarization beam splitting with high polarization extinction ratio is proposed based on the polarization sensitive self-collimation feature of symmetry reduced photonic crystals. The idea utilizes self-collimation mechanism and rotated isofrequency contours arising due to the deliberately implemented symmetry reduction in the photonic structure. Square lattice of low-symmetric rectangular air holes in dielectric background are numerically analyzed in both frequency and time domains. The operating bandwidth of the device is Delta lambda = 53 nm. At lambda = 1.55 mu m, polarization extinction ratios are similar to 23 and similar to 18 dB for transverse electric and transverse magnetic ports, respectively. The investigated device is 46.4 mu m x 12.4 mu m in size and based on a uniform, planar, and homogenous structure. Therefore, there is no need for an additional splitting assistance to separate the two orthogonal polarizations. Possible fabrication imperfections are also analyzed and it is observed that polarization extinction ratios stay above 17 dB when error percentage is around 5.5%. With having these advantages, symmetry reduced photonic crystal-based polarization beam splitters can be a good candidate for optical communication applications.en_US
dc.description.sponsorshipThe work of U. G. Yasa and I. H. Giden was supported by the Scientific and Technological Research Council of Turkey (TUBITAK) under Project 115R036. The work of H. Kurt was supported in part by the Scientific and Technological Research Council of Turkey (TUBITAK) under Project 115R036 and in part by Turkish Academy of Sciences.en_US
dc.publisherIEEE-Inst Electrical Electronics Engineers Incen_US
dc.subjectPhotonic crystalsen_US
dc.subjectphotonic integrated circuitsen_US
dc.subjectpolarization beam splittersen_US
dc.titleHigh Extinction Ratio Polarization Beam Splitter Design by Low-Symmetric Photonic Crystalsen_US
dc.relation.journalJournal Of Lightwave Technologyen_US
dc.contributor.departmentTOBB ETU, Faculty of Engineering, Department of Electrical & Electronics Engineeringen_US
dc.contributor.departmentTOBB ETÜ, Mühendislik Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümütr_TR
dc.relation.tubitakScientific and Technological Research Council of Turkey (TUBITAK) [115R036]en_US
dc.contributor.tobbetuauthorKurt, Hamza
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıtr_TR
dc.relation.otherTurkish Academy of Sciencesen_US

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