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Browsing Elektonik-Elektronik Mühendisliği by Author "Kurt, H."

Browsing Elektonik-Elektronik Mühendisliği by Author "Kurt, H."

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  • Bor, E.; Babayigit, C.; Kurt, H.; Turduev, M. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018)
    In this manuscript, an evolutionary algorithm is applied to design a mode order converter photonic crystal structure for achieving transformation of the propagating fundamental mode to the higher order mode. In order to ...
  • Babayigit, C.; Evren, Aydin S.; Bor, E.; Kurt, H.; Turduev, M. (AMER PHYSICAL SOC, ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA, 2019)
    In this study, the design of a directional cloaking based on the Luneburg lens system is proposed and its operating principle is experimentally verified. The cloaking concept is analytically investigated via geometrical ...
  • Botey, M.; Herrero, R.; Turduev, M.; Giden, I.; Kurt, H.; Staliunas, K. (SPRINGER-VERLAG BERLIN, HEIDELBERGER PLATZ 3, D-14197 BERLIN, GERMANY, 2016)
    We propose a 2-dimensonal PT-symmetric photonic honeycomb structure that supports chiral Block-like modes being its excitation input and frequency dependent. We show that while the fundamental resonant frequency excites ...
  • Turduev, M.; Bor, E.; Kurt, H. (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2017)
    In this letter, we numerically designed and experimentally demonstrated a compact photonic structure for the subwavelength focusing of light using all-dielectric absorption-free and nonmagnetic scattering objects distributed ...
  • Bor, E.; Turduev, M.; Kurt, H. (NATURE PUBLISHING GROUP, MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLAND, 2016)
    Photonic structure designs based on optimization algorithms provide superior properties compared to those using intuition-based approaches. In the present study, we numerically and experimentally demonstrate subwavelength ...
  • Mizeikis, V.; Hayran, Z.; Kurt, H.; Turduev, M.; Gaileviecius, D.; Malinauskas, M.; Juodkazis, S.; Staliunas, K. (Institute of Electrical and Electronics Engineers Inc., 2019)
    We describe fabrication and properties of 3D photonic crystals with chirped lattice period using Direct Laser Write lithography in photoresists, and report on the optical properties of the fabricated structures. Experimental ...
  • Evren, Aydin S.; Babayigi, C.; Bor, E.; Kurt, H.; Turduev, M. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018)
    n this study, we propose a method based on graded-index medium in order to cloak scatterer objects. We use discretized Luneburg lenses as a graded-index medium and the proposed structure consists of four discretized Luneburg ...
  • Babayigit, C.; Bor, E.; Kurt, H.; Staliunas, K.; Turduev, M. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018)
    This study presents an optimal design of directional optical cloaking device based on evolutionary optimization approach. A cylindrical shaped perfectly electric conductor (PEC) material is selected as an object to be ...
  • Turduev, M.; Hayran, Z.; Kurt, H. (AMER INST PHYSICS, 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA, 2016)
    Sub-wavelength focusing of light holds great potential in various applications of science and engineering, including nanolithography, optical microscopy, optical measurements, and data storage. In the present paper, we ...
  • Yilmaz, Y. A.; Hayran, Z.; Yildiz, F.; Kilinc, T. O.; Karabacak, C.; Bor, E.; Kurt, H. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2017)
    A compact low-cost multicolor germanium (Ge) infrared photodetector is designed by utilizing the guided-mode resonance condition of a one-dimensional grating with adiabatically tuned (or so-called chirped) in-plane ...
  • Gailevicius, D.; Hayran, Z.; Turduev, M.; Kurt, H.; Juodkazis, S.; Malinauskas, M.; Mizeikis, V.; Staliunas, K. (SPIE-INT SOC OPTICAL ENGINEERING, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA, 2017)
    We propose a high sensitivity photodetection tool at near-infrared frequencies, based on a principle of slowed- and stopped-light in chirped photonic micro/nano-structures. The main goal is to substantially increase the ...
  • Gumus, M.; Giden, I. H.; Turduev, M.; Kurt, H. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2017)
  • Turduev, Mirbek; Grineviciute, L.; Babayiğit, C.; Gailevicius, D.; Purlys, V.; Tolenis, T.; Kurt, H.; Staliunas, K. (IEEE, 2020)
    We propose a novel method of fabrication of Photonic Crystal Spatial Filters using a Vapor Deposition method on microstructured surfaces. Such spatial filters-layers of around 10 micron thickness, are very useful for ...
  • Turduev, M.; Bor, E.; Yasa, U. G.; Kurt, H. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018)
    In this study, we introduce a novel approach for designing an unidirectional transmission device by using a photonic crystal (PC) structure that exhibits the properties of epsilon-mu-near-zero media. The selected PC structure ...
  • Turduev, M.; Bor, E.; Kurt, H. (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2017)
    The paper proposes a new design of an inhomogeneous artificially created photonic crystal lens structure consisting of annular dielectric rods to efficiently focus both transverse electric and transverse magnetic polarizations ...
  • Yasa, U. G.; Giden, I. H.; Turduev, M.; Kurt, H. (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2017)
    We present an intrinsic polarization splitting characteristic of low-symmetric photonic crystals (PCs) formed by unit-cells with C-2 rotational symmetry. This behavior emerges from the polarization sensitive self-collimation ...
  • Hayran, Z.; Turduev, M.; Botey, M.; Staliunas, K.; Kurt, H. (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2016)
    Photonic crystal waveguides supporting band gap guided modes hold great potential to tailor the group velocity of propagating light. We propose and explore different wavelength demultiplexer design approaches that utilize ...
  • Yilmaz, Y. A.; Tandogan, S. E.; Hayran, Z.; Giden, I. H.; Turduev, M.; Kurt, H. (AMER INST PHYSICS, 1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA, 2017)
    Integrated photonic systems require efficient, compact, and broadband solutions for strong light coupling into and out of optical waveguides. The present work investigates an efficient optical power transferring the problem ...

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