Department of Electrical and Electronics Engineering
Recent Submissions
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A robust, precious‐metal‐free dye‐sensitized photoanode for water oxidation: A nanosecond‐long excited‐state lifetime through a Prussian blue analogue
(Wiley-VCH Verlag, 2020-02)Herein, we establish a simple synthetic strategy affording a heterogeneous, precious metal‐free, dye‐sensitized photoelectrode for water oxidation, which incorporates a Prussian blue (PB) structure for the sensitization ... -
MoS2 phototransistor sensitized by colloidal semiconductor quantum wells
(Wiley-VCH Verlag, 2020-12)A phototransistor built by the assembly of 2D colloidal semiconductor quantum wells (CQWs) on a single layer of 2D transition metal dichalcogenide (TMD) is displayed. This hybrid device architecture exhibits high efficiency ... -
Coreless fiber‐based whispering‐gallery‐mode assisted lasing from colloidal quantum well solids
(Wiley-VCH Verlag, 2020-01)Whispering gallery mode (WGM) resonators are shown to hold great promise to achieve high‐performance lasing using colloidal semiconductor nanocrystals (NCs) in solution phase. However, the low packing density of such ... -
Core-crown quantum nanoplatelets with favorable type-II heterojunctions boost charge separation and photocatalytic NO oxidation on TiO2
(Wiley, 2020-09-22)Functionalization of TiO2 (P25) with oleic acid‐capped CdSe(core)/CdSeTe(crown) quantum‐well nanoplatelets (NPL) yielded remarkable activity and selectivity toward nitrate formation in photocatalytic NOx oxidation and ... -
Ferroelectric based fractal phononic crystals: wave propagation and band structure
(Taylor & Francis, 2020-04)In this study, the band structure and transmission in multiferroic based Sierpinski carpet phononic crystal are investigated based on finite element simulation. In order to obtain the band structure of the phononic crystal ... -
Elastic and optical properties of sillenites: First principle calculations
(Taylor & Francis, 2020-04)In the present paper, we have investigated the electronic structure of some sillenites - Bi12MO20 (M = Ti, Ge, and Si) compounds based on the density functional theory. The mechanical and optical properties of Bi12MO20 ... -
BaTiO3 based photonic time crystal and momentum stop band
(Taylor & Francis, 2020-04)Temporally periodic photonic crystals develop an ω-k dispersion relation with momentum band gaps. While conventional photonic crystals induce forbidden bands in the frequency spectrum of photons, photonic time crystals ... -
Thermally induced bias error due to strain inhomogeneity through the fiber optic gyroscope coil
(OSA - The Optical Society, 2020-11)One of the performance limits of a navigation grade fiber optic gyroscope is the bias error due to the thermal sensitivity of the fiber coil. Thermal stress inside the fiber coil is an important source of the bias error. ... -
Permanent tuning of optical resonant modes of chalcogenide-coated microresonators
(OSA - The Optical Society, 2020-05)Chalcogenide materials are promising for optical resonant mode tuning of whispering gallery mode (WGM) microresonators due to their high nonlinearity. In this study, this phenomenon was demonstrated for Ge2Sb2Te5- coated ... -
A novel method for scheduling of wireless ad hoc networks in polynomial time
(IEEE, 2021)In this article, we address the scheduling problem in wireless ad hoc networks by exploiting the computational advantage that comes when scheduling problems can be represented by claw-free conflict graphs where we consider ... -
Systematic encoding and shortening of PAC codes
(MDPI AG, 2020-11)Polarization adjusted convolutional (PAC) codes are a class of codes that combine channel polarization with convolutional coding. PAC codes are of interest for their high performance. This paper presents a systematic ... -
Large scale compatible fabrication of gold capped titanium dioxide nanoantennas using a shadowing effect for photoelectrochemical water splitting
(Elsevier, 2020)In this paper, a visible light driven plasmonic based photoelectrochemical water splitting (PEC-WS) cell is designed with an elegant two-step fabrication route. First, titanium dioxide (TiO2) nanowires (NWs) were synthesized ... -
Scattering of spin-1/2 particles from a PT-symmetric complex potential
(IOP, 2020-07)In this letter, we study the scattering of spin- 1 2 particles from a spin-independent parity time (PT )-symmetric complex potential, and for the first time, theoretically demonstrate the coexistence of PT -symmetric and ... -
New approach for designing cVEP BCI stimuli based on superposition of edge responses
(Institute of Physics Publishing, 2020-06)The purpose of this study is to develop a new methodology for designing stimulus sequences for Brain Computer Interfaces that utilize code modulated Visually Evoked Potentials (cVEP BCIs), based on experimental results ... -
Dynamic signaling games with quadratic criteria under Nash and Stackelberg equilibria
(Elsevier, 2020-01-22)This paper considers dynamic (multi-stage) signaling games involving an encoder and a decoder who have subjective models on the cost functions. We consider both Nash (simultaneous-move) and Stackelberg (leader–follower) ... -
Controller redesign for delay margin improvement
(Elsevier, 2020-01-09)Two important design objectives in feedback control are steady-state error minimization and delaymargin maximization. For many practical systems it is not possible to have infinite delay margin andzero steady state error ... -
Efficient online learning with improved LSTM neural networks
(Elsevier, 2020-04-14)We introduce efficient online learning algorithms based on the Long Short Term Memory (LSTM) networks that employ the covariance information. In particular, we introduce the covariance of the present and one-time step past ... -
A novel distributed anomaly detection algorithm based on support vector machines
(Elsevier, 2020-01-08)In this paper, we study anomaly detection in a distributed network of nodes and introduce a novel algorithm based on Support Vector Machines (SVMs). We first reformulate the conventional SVM optimization problem for a ... -
Structural parameters and electronic properties of 2D carbon allotrope: Graphene with a kagome lattice structure
(Elsevier, 2020-09-14)In this paper, the electronic properties of a carbon allotrope, graphene with a kagome lattice structure, are investigated. Spin-polarized density functional theory (DFT) calculations with Grimme dispersion corrections ... -
Dwell time-based stabilisation of switched linear delay systems using clock-dependent Lyapunov–Krasovskii functionals
(Taylor and Francis, 2020)Dwell time stability conditions of the switched delay systems are derived using multiple clock-dependent Lyapunov–Krasovskii functionals. The corresponding conditions are approximated by both using piecewise linear functions ...