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Elektonik-Elektronik Mühendisliği

Elektonik-Elektronik Mühendisliği

 

Recent Submissions

  • Yıldız, Hüseyin Uğur; Tekin, Nazlı; Güngör, Vehbi Çağrı (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC445 HOES LANE, PISCATAWAY, NJ 08855-4141, 2021-07-01)
    In Wireless Sensor Networks (WSNs), energy-efficiency and reliability are two critical requirements for attaining a long-term stable communication performance. Using error control (EC) methods is a promising technique to ...
  • Gökçe, Muhsin Caner (GAZI UNIV, 2021)
    Oceanic turbulence caused by salinity and temperature fluctuations underwater affects the characteristics of a transmit laser beam resulting in turbulence-induced intensity fluctuations (i.e., scintillation) at the receiver. ...
  • Turduev, Mirbek; Grineviciute, Lina; Babayiğit, Ceren; Gailevicius, Darius; Peckus, Martynas; Tolenis, Tomas; Vengris, Mikas; Kurt, Hamza; Staliunas, Kestutis (2021-03)
    Spatial filtering is an important mechanism to improve the spatial quality of laser beams. Typically, a confocal arrangement of lenses with a diaphragm in the focal plane is used for intracavity spatial filtering. Such ...
  • Gökçe, Muhsin C.; Ata, Yalçın; Baykal, Yahya (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2020-03)
    The performance of M-ary pulse position modulated (PPM) optical wireless communication (OWC) systems in atmospheric weak turbulence medium is evaluated by using adaptive optics corrections. Piston, tilt, defocus and coma ...
  • Turduev, Mirbek; Bor, Emre; Yasa, Utku Görkem; Kurt, Hamza (OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA, 2020-04)
    In this Letter, we numerically and experimentally demonstrate the carpet cloaking effect by a rectangular lattice two-dimensional photonic crystal (PC) exhibiting a semi-Dirac cone (SDC) dispersion phenomenon. The proposed ...
  • Gökçqe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2020-05)
    In strong oceanic turbulence, the performance of M-ary phase shift keying subcarrier intensity-modulated optical wireless communication (OWC) links is investigated in terms of the bit-error-rate (BER) by considering the ...
  • Bor, Emre; Turduev, Mirbek; Neşeli, Berkay; Kurt, Hamza (OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA, 2020-05)
    In this paper, we present the numerical and experimental demonstration of a wavelength demultiplexer (WDM) based on the photonic crystal (PC), in which the waveguide has a tapered width. Owing to the tapered waveguide, ...
  • Gökçe, Muhsin C.; Baykal, Yahya; Ata, Yalçın (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2020-07)
    An adaptive optics correction arising from the sum of tilt, focus, astigmatism and coma components is applied to the bit error rate (BER) of M-ary pulse-position-modulated (PPM) oceanic optical wireless communication ...
  • Gökçe, Muhsin Caner; Ata, Yalçın; Baykal, Yahya (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2020-08)
    We investigated the effect of anisotropic non-Kolmogorov atmospheric turbulence on the performance of the optical wireless systems whenM-ary Pulse Position Modulation (PPM) is applied to a Gaussian beam. The performance ...
  • Turduev, Mirbek; Yu, Shaoliang; Qiu, Xiaoming; Zuo, Haijie; Gu, Tian; Hu, Juejun (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA, 2020-08)
    We propose and experimentally demonstrate a broadband, polarization-diverse compact bending design for low-index-contrast waveguides, where light is re-directed via total internal reflection (TIR) on an air-trench quadratic ...
  • Yazgan, Erdem; Arican, Galip Orkun; Akcam, Nursel (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2021-02)
    This article presents a Ku-band Low Noise Amplifier (LNA) Monolithic Microwave Integrated Circuit (MMIC) and RF front-end module for space applications. LNA MMIC was developed with utilizing 0.07 mu m GaAs m-HEMT process. ...
  • Karaca, Mehmet (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA, 2020-12)
    In this letter, we consider the problem of joint user scheduling and dynamic pilot allocation in a Time-Division Duplex (TDD) based Massive MIMO network under varying traffic condition. One of the main problems with Massive ...
  • Arikan, Kutluk Bilge; Sadeghi, Amir Noabahar; Ozbek, Mehmet Efe (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2020-12)
    In an oil well drilling tower, the Bottom Hole Assembly (BHA) data is needed to optimize the controllable variables such as weight on bit and bit rotational speed for obtaining the optimum drilling rate. In order to acquire ...
  • Yıldırım, Bumin K.; Bor, Emre; Turduev, Mirbek; Kurt, Hamza (IOP PUBLISHING LTD, TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND, 2020-12)
    In this study, we present the numerical design and experimental demonstration of an all-dielectric low refractive index polarization-insensitive multilevel diffractive lens (MDL) at microwave frequencies. The proposed MDL ...
  • Yazgan, Erdem; Ekici, Saim (Taylor & Franchis INC,530 Walnut Street, Ste 850,Philadelphia, PA, 19106 USA, 2020-12)
    The aim of this work is to analyze the effect of tuning screws located at the cross iris of a dual-mode vacuum filled cylindrical waveguide filter. Dual-mode waveguide filters with and without cross iris screws are designed ...
  • Babayiğit, Ceren; Boztuğ, Çiçek; Kurt, Hamza; Turduev, Mirbek (Institute of Electrical and Electronics Engineers Inc., 2020-03)
    In this manuscript, we propose and design two different Fabry-Pérot microtube cavity refractometer configurations operating at mid-infrared (mid-IR) wavelengths. The designed refractometers' topologies are based on ...
  • Turduev, Mirbek; Tutgun, Mediha; Yılmaz, Döne; Yeltik, Aydan; Kurt, Hamza (Elsevier B.V., 2020-07)
    Inverse-design algorithms can be used to design compact and high-performance complex photonic structures. In this study, we propose the design of an all-dielectric optical resonator based on the concept of the parallel ...
  • Gökçe, Muhsin Caner; Baykal, Yahya; Ata, Yalçın (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2020-02)
    Laser array beam propagating through mouse liver tissue is investigated. The turbulence power spectrum of the liver tissue is employed in the extended Huygens-Fresnel method to obtain an optical intensity profile and beam ...
  • Turduev, Mirbek; Kurt, Hamza; Bor, Emre; Neşeli, Berkay (IEEE Computer Society, 2019)
    In this study, we propose the design of photonic crystals with linearly tapered waveguide such that waveguide width is gradually varied. Four drop-channels are included to implement wavelength demultiplexing applications. ...
  • Gailevičius, Darius; Grinevičiūtė, Lina; Babayiğit, Ceren; Bor, Emre; Turduev, Mirbek; Purlys, Vytautas; Tolenis, Tomas; Kurt, Hamza; Staliūnas, Kȩstutis (Institute of Electrical and Electronics Engineers Inc., 2019)
    The idea of the angular, or equivalently - spatial, filtering by photonic crystals (PhCs) is based on a selective diffraction of the light propagating through the double-periodic photonic structure. The angular components ...

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