E. Simsek Email
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Conference papers and presentations.

PDFs are linked where available. A few recent and upcoming presentations will be added posted later. See the journal publications page or the complete CV for the rest of the record, including invited talks and colloquia.

91 papers
Recent & Upcoming — PDF Not Yet Posted
01

A Self-Stabilized Master-Slave Architecture for Chip-Scale Dual Frequency Combs

R. Islam, et al.
submitted to SPIE Photonics West 2027, San Francisco, CA · 2027 (submitted)
PDF not yet
posted
02

Inferring Microring Cross-Section Geometry from Integrated Dispersion Measurement with Machine Learning

E. Simsek, S.-C. Ou, G. Moille, K. Srinivasan
submitted to IEEE Photonics Conference, Denver, CO · 2026 (submitted)
PDF not yet
posted
03

A Quasi-One-Dimensional Electro-Opto-Thermal Drift-Diffusion Model: Quantum Efficiency in MUTC Photodetectors

I. M. Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, C. R. Menyuk
Optica Advanced Photonics Congress, Long Beach, CA · 2026
PDF not yet
posted
04

Design and Characterization of Thick Silicon Nitride Microresonators from AIM Photonics

L. Courtright, A. Niang, P. Hedlesky, P. O'Mullan, E. Simsek, G. Carter, J. Eakin, T. Mahmood, J. Cahill, W. Zhou, D. Petkie, C. R. Menyuk
IEEE RAPID Conference, Miramar Beach, FL · 2026
PDF not yet
posted
05

Self-Trapping of Dissipative Kerr Solitons for Low-Noise Frequency Combs

R. Islam, et al.
accepted for a poster presentation, SPIE Optics and Photonics · 2026
PDF not yet
posted
06

Physics-Based Numerical Optimization of Normally Excited MUTC Photodetectors Achieving 60-GHz 3-dB Bandwidth

R. Islam, C. R. Menyuk, E. Simsek
accepted for a poster presentation, SPIE Optics and Photonics · 2026
PDF not yet
posted
At UMBC — 2021–2026
01

Physics-Based Numerical Optimization of Normally Illuminated MUTC Photodetectors Achieving 50-GHz 3-dB Bandwidth

R. Islam, C. R. Menyuk, E. Simsek
SPIE Optics and Photonics, San Diego, CA · 2026
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02

Dispersion Metrology with Neural Networks

E. Simsek, R. Islam, S.-C. Ou, G. Moille, K. Srinivasan
SPIE Optics and Photonics, San Diego, CA · 2026
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03

Predicting Plasmonic Enhancement of Photoluminescence with a Multi-Scale and Multi-Physics Numerical Method

R. Islam, Q. H. Liu, E. Simsek
SPIE Optics and Photonics, San Diego, CA · 2026
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04

Dimensional Metrology for Microcombs with Neural Networks

E. Simsek, S.-C. Ou, G. Moille, K. Srinivasan
CLEO, Charlotte, NC · 2026
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05

Noise Reduction in Microresonators Using Feedback-Controlled Phase Modulation

R. Islam, P. Shandilya, Y. Song, A. Niang, G. Carter, T. Carruthers, M. Loncar, C. R. Menyuk, E. Simsek
CLEO, Charlotte, NC · 2026
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06

Long-Wave Infrared Frequency Comb Generator for Chemical Agent and Explosive Precursor Detection

E. Simsek, P. Shandilya, R. Islam, S. Akter, C. R. Menyuk
SPIE Defense + Security, National Harbor, MD · 2026
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07

One-Stop-Shop for Modeling Optical Frequency Comb Generation

E. Simsek, A. Niang, R. Islam, P. Shandilya, L. Courtright, G. M. Carter, C. R. Menyuk
ICEAA, Palermo, Italy · 2025
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08

Improving Object Classification Accuracy from Electromagnetic Data Using Attention Mechanisms

E. Simsek, H. R. Manyam
ICEAA, Palermo, Italy · 2025
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09

Excito-Plasmonic Phototransistors with Improved Thermal Management

E. Simsek, R. Islam, C. Menyuk
Plasmonica Workshop, Modena, Italy · 2025
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10

Dielectric Waveguides

E. Simsek
COMPUMAG, Naples, Italy · 2025
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11

Adjoint Method Supported Topology Optimization for Electromagnetic/Photonic Inverse Design

E. Simsek, S. H. Oishe, R. Islam
ACES, Orlando, FL · 2025
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12

Finite-Differences-Based Solvers for Wave Propagation in Dielectric Waveguides and Rings

E. Simsek
ACES, Orlando, FL · 2025
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13

Effective Heat Dissipation from Plasmon Enhanced Monolayer WSe₂ Phototransistors

R. Islam, C. R. Menyuk, E. Simsek
IEEE Photonics Conference, Rome, Italy · 2024
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14

Broadband Substrate Optimization with Adjoint Method and Green's Functions

S. H. Oishe, R. Islam, C. R. Menyuk, E. Simsek
IEEE Photonics Conference, Rome, Italy · 2024
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15

Sources of Nonlinearity in Phase Noise of MUTC Photodetectors at Comb-Line Frequencies

I. M. Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, C. R. Menyuk
IEEE Photonics Conference, Rome, Italy · 2024
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16

A Compact Numerical Model for Photodetectors Made from Two-Dimensional Materials

E. Simsek, R. Islam
SPIE Optics + Photonics, San Diego, CA · 2024
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17

Resolution Enhancement with Machine Learning

E. Simsek, E. Cho
SPIE Optics + Photonics, San Diego, CA · 2024
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18

Thermal Characterization of Modified Uni-Traveling Carrier Photodetectors: Insights into Temperature-Dependent Performance Metrics

E. Simsek, C. R. Menyuk
SPIE Optics + Photonics, San Diego, CA · 2024
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19

Heat Management and Quantum Efficiency Enhancement of Phototransistors Made from Two-Dimensional Materials

R. Islam, I. Md Anjum, C. R. Menyuk, E. Simsek
Optica Sensing Congress, Toulouse, France · 2024
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20

Thermal Analysis of Photodetectors in Steady-State

I. M. Anjum, A. S. Hastings, D. A. Tulchinsky, K. J. Williams, C. R. Menyuk, E. Simsek
Optica Sensing Congress, Toulouse, France · 2024
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21

Numerical Modeling of Photodetectors Made from Two-Dimensional Materials

E. Simsek, R. Islam, C. Menyuk
IEEE AP-S / URSI Radio Science Meeting, Florence, Italy · 2024
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22

Enhancement of Non-Destructive Measurement Resolution with Neural Networks

E. Simsek, E. Cho
IEEE AP-S / URSI Radio Science Meeting, Florence, Italy · 2024
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23

Electromagnetic Classification

E. Simsek
IEEE AP-S / URSI Radio Science Meeting, Florence, Italy · 2024
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24

Modeling Two-Dimensional Material-Based Photodetectors with Finite-Difference Methods

R. Islam, E. Simsek
ACES Conference, Orlando, FL · 2024
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25

Object Classification Using Electromagnetic Data and Neural Networks

E. Simsek, R. Islam
ACES Conference, Orlando, FL · 2024
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26

Optimized MUTC Photodetector for Lower Phase Noise at Comb-Line Frequencies Below 40 GHz

I. Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, C. R. Menyuk
Frontiers in Optics + Laser Science (FiO LS), Tacoma, WA · 2023
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27

Dual-Objective Numerical Optimization of MUTC Photodetectors for Frequency Comb Applications

I. Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, C. R. Menyuk
IEEE RAPID Conference, Miramar Beach, FL · 2023
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28

Attention Mechanisms for Broadband Feature Prediction

E. Simsek, M. Soroush, G. Moille, K. Srinivasan, C. R. Menyuk
SPIE Optical Engineering + Applications, San Diego, CA · 2023
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29

Designing Silicon-Germanium Photodetectors with Numerical Optimization: The Tradeoffs and Limits

E. Simsek, C. R. Menyuk
SPIE Active Photonic Platforms, San Diego, CA · 2023
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30

Attention Mechanisms for Broadband Feature Prediction for Electromagnetic and Photonic Applications

E. Simsek, M. Soroush, G. Moille, K. Srinivasan, C. R. Menyuk
CLEO/Europe-EQEC, Munich, Germany · 2023
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31

Designing Silicon-Germanium Photodetectors with Numerical Optimization: The Trade-off Between Quantum Efficiency and Phase Noise

R. Islam, I. Md Anjum, C. R. Menyuk, E. Simsek
CLEO/Europe-EQEC, Munich, Germany · 2023
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32

Designing Energy Efficient Neural Networks According to Device Operation Principles

E. Simsek
PIERS, Prague, Czechia · 2023
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33

Designing Nonlinear Optoelectronic Devices with Numerical Optimization: Lessons Learned

E. Simsek, I. Md Anjum, C. R. Menyuk
PIERS, Prague, Czechia · 2023
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34

Solving Drift Diffusion Equations on Non-Uniform Spatial and Temporal Domains

E. Simsek, I. Md Anjum, C. R. Menyuk
PIERS, Prague, Czechia · 2023
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35

Non-Uniform Time-Stepping and Windowing for Fast Simulation of Photodetectors

E. Simsek, I. Md Anjum, T. F. Carruthers, C. R. Menyuk
ACES Symposium, Monterey, CA (invited) · 2023
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36

Efficient and Accurate Calculation of Photodetector RF Output Power

E. Simsek, I. Md Anjum, T. F. Carruthers, C. R. Menyuk, D. A. Tulchinsky, K. J. Williams, J. C. Campbell
IEEE Photonics Conference, Vancouver, Canada · 2022
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37

Design and Analysis of Low Bias, Low Phase Noise Photodetectors for Frequency Comb Applications Using Particle Swarm Optimization

I. Md Anjum, E. Simsek, S. E. J. Mahabadi, T. F. Carruthers, C. R. Menyuk
IEEE Int'l Topical Meeting on Microwave Photonics · 2022
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38

Non-Uniform Time-Stepping for Fast Simulation of Photodetectors Under High-Peak-Power, Ultra-Short Optical Pulses

E. Simsek, I. Md Anjum, T. F. Carruthers, C. R. Menyuk
Int'l Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) · 2022
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39

Designing Photodetectors with Machine Learning

E. Simsek, I. Md Anjum, T. F. Carruthers, C. R. Menyuk
Advanced Photonics Conference, Maastricht, Netherlands (invited) · 2022
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40

ODEMI: One Dimensional Electromagnetic Inversion Dataset to Study Machine Learning and Lessons Learned

E. Simsek
Photonics and Electromagnetics Research Symposium (PIERS), Hangzhou · 2021
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41

A Robust Drift-Diffusion Equations Solver Enabling Accurate Simulation of Photodetectors

E. Simsek, S. E. J. Mahabadi, I. Md Anjum, C. R. Menyuk
PIERS, Hangzhou · 2021
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42

Calculation of the Phase Noise at Comb-Line Frequencies in a Frequency Comb

I. Md Anjum, S. E. J. Mahabadi, E. Simsek, C. R. Menyuk
Frontiers in Optics · 2021
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43

Photodetector Performance Prediction with Machine Learning

E. Simsek, S. E. J. Mahabadi, T. F. Carruthers, C. R. Menyuk
Frontiers in Optics · 2021
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44

Thinner and Faster Photodetectors Producing Lower Phase Noise

E. Simsek, S. E. J. Mahabadi, I. Md Anjum, C. R. Menyuk
IEEE Photonics Conference · 2021
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45

Fast Evaluation of Refractive Index with Machine Learning

E. Simsek
Photonics and Electromagnetics Research Symposium (PIERS), Rome, Italy · 2019
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46

Plasmonic Enhancement in Anisotropic Thin Films of Rhenium Disulphide (ReS₂)

B. Mukherjee, S. Roy, E. Simsek, S. Ghosh, V. G. Achanta, S. Lodha
IEEE Photonics Conference, Reston, VA · 2018
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47

Field Effect Transistors Deploying Anisotropic Two-Dimensional Materials for Light Generation and Detection

E. Simsek, M. Yuan, Q. H. Liu
Frontiers in Optics + Laser Science (FIO+LS), Washington, DC · 2018
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Before UMBC — 2004–2018
01

Solving Schrödinger Equation for Excitons in Multilayered Media

E. Simsek
IEEE APS-URSI, Fajardo, Puerto Rico · 2016
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02

Light-Matter Interactions in Complex Media with 2D Materials, Metamaterials, and Quantum Dots

B. Mukherjee, E. Simsek
IEEE APS-URSI, Fajardo, Puerto Rico · 2016
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03

Photoconductivity of Interconnected Nanowires and Their Electromagnetic-Circuit Co-Simulation

B. Mukherjee, E. Simsek, B. Varghese, M. Zheng, E. S. Tok, C. H. Sow
USNC-URSI Radio Science Meeting, Fajardo, PR · 2016
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04

Enhanced Absorption with Quantum Dots, Metal Nanoparticles, and 2D Materials

E. Simsek, B. Mukherjee, A. Guchhait, Y. T. Chan
SPIE Photonics West, San Francisco, CA · 2016
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05

Keeping 2D Materials Visible Even Buried in SoI Wafers

E. Simsek, B. Mukherjee
SPIE Photonics West, San Francisco, CA · 2016
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06

Controlling Exciton Population in 2D Transition Metal Dichalcogenides

F. Tseng, E. Simsek, D. Gunlycke
Graphene Canada, Montreal · 2015
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07

Theory and Applications of Strongly Bound Excitons in Layered Transition-Metal Dichalcogenides

F. Tseng, D. Gunlycke, E. Simsek
IEEE Photonics Conference, Reston, VA · 2015
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08

Plasmonics Enhanced Average Absorption of Monolayer MoS₂ in vis-NIR

B. Mukherjee, E. Simsek
IEEE Photonics Conference, Reston, VA · 2015
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09

Exciton Physics in Transition-Metal Dichalcogenides at the Atomic Scale

D. Gunlycke, F. Tseng, E. Simsek
Advanced Photonics, Boston, MA · 2015
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10

Quantitative and Qualitative Studies of Femtosecond Laser Nanopatterning of Graphene

R. Sahin, E. Simsek, S. Akturk
CLEO/Europe-EQEC, Munich, Germany · 2015
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11

Enhancing Scattering and Absorption in Two-Dimensional Layered Material Systems with Surface Plasmons and Periodicity

B. Mukherjee, E. Simsek
ACES, Williamsburg, VA · 2015
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12

Estimation of Depletion- or Injection-Induced Changes in Reservoir Stresses Using Time-Lapse Sonic Data

E. Simsek, B. K. Sinha
IEEE International Ultrasonics Symposium, Chicago, IL · 2014
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13

On the Development of a New Multi-Physics Solver for Atomically Thin Layered Material Systems

E. Simsek
IEEE APS-URSI, Memphis, TN · 2014
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14

A Hybrid Spectral Integral–Finite Element Method for Layered Media Including Graphene-Like Atomically Thin Layered Materials

E. Simsek
IEEE APS-URSI, Memphis, TN · 2014
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15

Electromagnetic Wave Propagation Through and Reflection from Metal Nano Stripes Fabricated with Femtosecond Laser Ablation

R. Sahin, Y. Morova, E. Simsek, S. Akturk
IEEE APS-URSI, Memphis, TN · 2014
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16

A Performance Comparison of ITO and Graphene-Based Electro-Optic Modulators

C. Ye, K. Sikandar, Z. Li, E. Simsek, V. Sorger
IEEE APS-URSI, Memphis, TN · 2014
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17

Nanometer-Scale Structuring of Gold Thin-Films and Graphene by Femtosecond Laser Bessel Beams

R. Sahin, E. Simsek, S. Akturk
CLEO, San Jose, CA · 2014
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18

Graphene: A Two Dimensional Material in Three Dimensional Structures

E. Simsek
IEEE APS-URSI, Orlando, FL · 2013
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19

Double Surface Plasmon Resonances Obtained with Bessel-Beam-Written Nanoslits Arrays

R. Sahin, E. Simsek, S. Akturk
CLEO/Europe-IQEC, Munich, Germany · 2013
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20

Tunable Graphene-Based SPR Sensors

E. Simsek
SPIE Defense, Security, and Sensing, Baltimore, MD · 2013
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21

Hybrid Optical Waveguides

E. Simsek, Q. H. Liu
11th International Workshop on Finite Elements for Microwave Engineering (FEM2012), Estes Park, CO · 2012
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22

A Spectral Integral Method for the Analysis of Nano Wires

E. Simsek, J. Liu, Q. H. Liu
30th URSI General Assembly and Scientific Symposium, Istanbul, Turkey · 2011
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23

Conventional Computational Electromagnetics toward Nanoscale, Optical, and Plasmonic Applications

E. Simsek
Int'l Conference on High Performance Computing & Simulation, Istanbul, Turkey (invited) · 2011
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24

Layered Medium Discrete Dipole Approximation

E. Simsek, B. Sonmez
IET Int'l Conference on Computation in Electromagnetics (CEM), Wroclaw, Poland · 2011
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25

An Efficient Formulation for Harmonic Waves in Multilayered Cylindrical Structures and Its Geophysical Applications

E. Simsek, B. K. Sinha
19th Int'l Geophysical Congress and Exhibition of Turkey, Ankara · 2010
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26

Sonic Logging in Deviated Wellbores in the Presence of a Drill Collar

B. K. Sinha, E. Simsek
80th SEG Annual International Meeting, Denver, CO · 2010
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27

Design of Optical Devices Using Frequency Domain Solvers

E. Simsek, Q. H. Liu
Int'l Symposium on Electromagnetic Theory, Berlin, Germany · 2010
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28

A More Realistic Coupled Dipole Approximation Model for Plasmonic Waveguides

E. Simsek
ECIO, Cambridge, UK · 2010
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29

An Efficient Formulation for Harmonic Waves in Multilayered Cylindrical Structures

E. Simsek, B. K. Sinha
IEEE UFFC Symposium, Rome, Italy · 2009
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30

Integral Equation Solvers and Their Applications in the Optical Regime

E. Simsek, Q. H. Liu
ICEAA, Torino, Italy · 2009
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31

Effective Refractive Index Approximation on the Surface Plasmon Resonance Modes of Metal Nanoparticle Chains and Arrays

E. Simsek
PIERS, Moscow, Russia · 2009
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32

Effects of Inhomogeneous Background to the Surface Plasmon Resonance Modes of Metal Nanoparticle Chains

E. Simsek
IEEE CLEO Europe · 2009
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33

Estimation of Borehole Ellipticity Using Cross-Dipole Dispersions

E. Simsek, B. K. Sinha
78th SEG Annual International Meeting, Las Vegas, NV · 2008
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34

Formation Stress Effects on Wave Propagation in a Fluid-Filled Borehole

B. K. Sinha, E. Simsek
IEEE International Ultrasonics Symposium, New York, NY · 2007
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35

Influence of Breakouts on Borehole Sonic Dispersions

E. Simsek, B. K. Sinha, S. Zeroug, N. Bounoua
77th SEG Annual International Meeting, San Antonio, TX · 2007
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36

Application of the Hybrid Spectral Integral Method with Spectral Element Method

J. Liu, Y. Lin, J. H. Lee, E. Simsek, Q. H. Liu
IEEE APS/URSI, Honolulu, HI · 2007
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37

A Spectral Integral Method (SIM) for Layered Media

E. Simsek, J. Liu, Q. H. Liu
IEEE APS/URSI, Washington, DC · 2005
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38

Fast Computation of Dyadic Green's Function for Layered Media and Its Application in Interconnect Simulations

E. Simsek, Q. H. Liu, J. Liu
IEEE APS/URSI, Monterey, CA · 2004
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Looking for journal articles instead? See the publications page.