Recent Submissions

  • Physical model for subsurface silicon writing 

    Tokel O.; Turnali A.; Pavlov I.; Ilday F.O. (Institute of Electrical and Electronics Engineers Inc., 2016)
    We have recently reported a direct laser writing method enabling buried structures deep inside silicon. Here we study the formation of these subsurface structures. We take advantage of Nonlinearity Engineering to understand ...
  • All-fiber burst mode laser system integrated with OCT for cataract surgery 

    Kesim D.K.; Kalaycioglu H.; Kerse C.; Ilday F.O. (Institute of Electrical and Electronics Engineers Inc., 2016)
    We demonstrate a burst-mode Yb all-fiber femtosecond laser system integrated with OCT for cataract surgery and aim to enhance further the procedure with lower collateral tissue damage, cleaner, efficient cuts with compact ...
  • Generation of 1.2-nJ, 62-fs, chirp-free pulses directly from a Yb-doped fiber oscillator 

    Teamir T.G.; Ilday F.O. (Institute of Electrical and Electronics Engineers Inc., 2016)
    1.2-nJ, 62-fs, linear-chirp-free pulses are generated directly from a mode-locked fiber oscillator through optimized interaction of second- and third-order dispersion with self-phase modulation. © 2015 IEEE.
  • Highly stable periodic structures using nonlinear laser lithography 

    Yavuz O.; Pavlov I.; Tokel O.; Ergecen E.; Rizaoglu A.; Ilday F.O. (Institute of Electrical and Electronics Engineers Inc., 2016)
    Nonlinear laser lithography (NLL) emerged as a novel surface structuring method allowing long-range periodic order. We present mathematical formalism for NLL, analysis of structure stability to perturbations and a way to ...
  • Ultrafast micromachining of Cu and Si at ultra-high repetition rates with pulse bursts 

    Kerse C.; Kalaycioglu H.; Elahi P.; Yavuz K.; Mirza I.; Bulgakova N.M.; Ilday F.O. (Institute of Electrical and Electronics Engineers Inc., 2016)
    We report a novel ultrafast burst mode fiber laser system, which can deliver pulses at ultra-high repetition rates in order to systematically investigate micromachining efficiency on copper and silicon samples. © 2015 IEEE.
  • NS-SRAM: Neighborhood Solidarity SRAM for Reliability Enhancement of SRAM Memories 

    Alouani I.; Ahangari H.; Ozturk O.; Niar S. (Institute of Electrical and Electronics Engineers Inc., 2016)
    Technology shift and voltage scaling increased the susceptibility of Static Random Access Memories (SRAMs) to errors dramatically. In this paper, we present NS-SRAM, for Neighborhood Solidarity SRAM, a new technique to ...
  • FPGA implementation of a fault-tolerant application-specific NoC design 

    Yesil S.; Tosun S.; Ozturk O. (Institute of Electrical and Electronics Engineers Inc., 2016)
    Today's integrated circuits are more susceptible to permanent link failures than before as a result of diminishing technology sizes. Even a single link failure can make an entire chip useless. Single link failure problem ...
  • Register file reliability enhancement through adjacent narrow-width exploitation 

    Ahangari H.; Alouani I.; Ozturk O.; Niar S.; Rivenq A. (Institute of Electrical and Electronics Engineers Inc., 2016)
    Due to the increasing vulnerability of CMOS circuits, new generations of microprocessors require an inevitable focus on reliability issues. As the Register File (RF) constitutes a critical element within the processor ...
  • A delayed consensus algorithm in networks of anticipatory agents 

    Atay F.M.; Irofti D. (Institute of Electrical and Electronics Engineers Inc., 2016)
    We introduce and analyze a delayed consensus algorithm as a model for interacting agents using anticipation of their neighbors' states to improve convergence to consensus. We derive a necessary and sufficient condition for ...
  • Respiratory rate monitoring using infrared sensors 

    Erden F.; Cetin A.E. (Institute of Electrical and Electronics Engineers Inc., 2016)
    Respiratory rate is an essential parameter in many practical applications such as patient and elderly people monitoring. In this paper, a novel contact-free system is introduced to detect the human breathing activity. The ...
  • All-fiber laser systems that can operate in burst mode 

    Kesim D.K.; Kalaycioglu H.; Akçaalan O.; Ilday F.O. (OSA - The Optical Society, 2016)
    Fiber lasers which operate in burst-mode where densely spaced pulses occur inside bursts repeated at much lower repetition rates can be valuable tool for sensing and imaging. We introduce such lasers and propose possible ...
  • Investigation of native oxide removing from HCPA ALD grown GaN thin films surface utilizing HF solutions 

    Deminskyi P.; Haider A.; Biyikli N.; Ovsianitsky A.; Tsymbalenko A.; Kotov D.; Matkivskyi V.; Liakhova N.; Osinsky V. (Institute of Electrical and Electronics Engineers Inc., 2016)
    The paper consider oxygen contamination of HCPA ALD grown GaN films under an air conditioning and during different time duration. High resolution XPS analysis of HCPA ALD grown GaN films after diluted 1:10 HF(41 %) : H2O ...
  • Effect of substrate temperature and Ga source precursor on growth and material properties of GaN grown by hollow cathode plasma assisted atomic layer deposition 

    Haider A.; Kizir S.; Deminskyi P.; Tsymbalenko O.; Leghari S.A.; Biyikli N.; Alevli M.; Gungor N. (Institute of Electrical and Electronics Engineers Inc., 2016)
    GaN thin films grown by hollow cathode plasma-assisted atomic layer deposition (HCPA-ALD) at two different substrate temperatures (250 and 450 °C) are compared. Effect of two different Ga source materials named as ...
  • A broadband multilevel fast multipole algorithm with incomplete-leaf tree structures for multiscale electromagnetic problems 

    Takrimi M.; Ergül O.; Ertürk V.B. (Institute of Electrical and Electronics Engineers Inc., 2016)
    An efficient, broadband, and accurate multilevel fast multipole algorithm (MLFMA) is proposed to solve a wide range of multiscale electromagnetic problems with orders of magnitude differences in the mesh sizes. Given a ...
  • Short-term propagation measurements and modeling for terrestrial line-of-sight links 

    Goktas P.; Topcu S.; Karasan E.; Altintas A. (Institute of Electrical and Electronics Engineers Inc., 2016)
    This paper presents a propagation prediction technique to predict propagation mechanisms for fixed terrestrial line-of-sight (LOS) radio links, especially proposed for rural environments. We report the results of a short-term ...
  • Low-frequency time-domain characterization for fast and reliable evaluation of microwave transistor performance 

    Bosi G.; Raffo A.; Vadalà V.; Trevisan F.; Vannini G.; Cengiz O.; Sen O.; Ozbay E. (Institute of Electrical and Electronics Engineers Inc., 2016)
    In this paper, we introduce the use of the low-frequency characterization of electron devices as an accurate and economical way to fast gather consistent data about the electron device performance at microwaves in the ...
  • Distributed adaptive filtering with reduced communication load 

    Utlu I.; Kozat S.S. (European Signal Processing Conference, EUSIPCO, 2016)
    We propose novel algorithms for distributed processing in applications constrained by available communication resources, using diffusion strategies that achieve up to three orders-of-magnitude reduction in communication ...
  • Boosted LMS-based piecewise linear adaptive filters 

    Kari D.; Marivani I.; Delibalta I.; Kozat S.S. (European Signal Processing Conference, EUSIPCO, 2016)
    We introduce the boosting notion extensively used in different machine learning applications to adaptive signal processing literature and implement several different adaptive filtering algorithms. In this framework, we ...
  • Online churn detection on high dimensional cellular data using adaptive hierarchical trees 

    Khan F.; Delibalta I.; Kozat S.S. (European Signal Processing Conference, EUSIPCO, 2016)
    We study online sequential logistic regression for churn detection in cellular networks when the feature vectors lie in a high dimensional space on a time varying manifold. We escape the curse of dimensionality by tracking ...
  • Adaptive hierarchical space partitioning for online classification 

    Fatih Kilic O.; Denizcan Vanli N.; Ozkan H.; Delibalta I.; Kozat S.S. (European Signal Processing Conference, EUSIPCO, 2016)
    We propose an online algorithm for supervised learning with strong performance guarantees under the empirical zero-one loss. The proposed method adaptively partitions the feature space in a hierarchical manner and generates ...

View more