E. Simsek and S. H. Oishe, "A Multi-Objective Permittivity Optimization for Object Classification at the Speed of Light,” IOP Machine Learning: Science and Technology, vol. X, no. Y, 2025. [Download][DOI: 10.1088/2632-2153/ae139b]
Ergun Simsek, Alioune Niang, Raonaqul Islam, Logan Courtright, Pradyoth Shandilya,
Gary M. Carter, and Curtis R. Menyuk , "A mixed-field formulation for modeling dielectric ring resonators
and its application in optical frequency comb generation,” Scientific Reports, vol. 15, 35098 (2025). [Download][DOI: 10.1038/s41598-025-18869-z]
E. Simsek, "Practical Vectorial Mode Solver for Dielectric Waveguides Based on Finite Differences,” Optics Letters, vol. 50, no. 12, pp. 4102–4105 (2025). [Download][DOI: 10.1364/OL.550820]
R. Islam, I. Anjum, C. R. Menyuk, and E. Simsek, "2D Material-Based Plasmonic Phototransistors Under Strong Optical Excitations," Journal of Computational Electronics, vol. 24, no. 104, 2025. [Download][DOI: 10.1007/s10825-025-02348-9]
I. M. Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, C. R. Menyuk,
J. C. Campbell, D. A. Tulchinsky, and K. J. Williams. Sources of nonlinearity and mitigation of phase noise in mutc photodetectors at comb-line frequencies. Optics Express, vol. 33, no, 11, 24130–24140, 2025. [Download][DOI: 10.1364/OE.562682]
Ergun Simsek and Harish Reddy Manyam, "Classification with electromagnetic waves," IET Microwaves, Antennas, and Propagation, Oct. 2024.
[Download][DOI: 10.1049/mia2.12522]
Ergun Simsek, Raonaqul Islam, Sumya Oishe, Curtis R. Menyuk, "Substrate Optimization with Adjoint Method and Layered Medium Green's Functions," JOSA B, vol. 41, no. 10, pp. 2259–2265, 2024.
[Download][DOI: 10.1364/JOSAB.532752]
Raonaqul Islam, Ishraq Md. Anjum, Curtis R. Menyuk, and Ergun Simsek, "Study of an MoS2 phototransistor using a compact numerical method enabling detailed analysis of 2D material phototransistors," Scientific Reports, vol. 14, no. 15269, 2024.
[Download][DOI: 10.1038/s41598-024-66171-1]
Ergun Simsek, Alexander S. Hastings, David A. Tulchinsky, Keith J. Williams, and Curtis R. Menyuk, "A Simple Numerical Model to Estimate the Temperature Distributions Over Photodetectors in Steady-State," IEEE Photonics Journal, vol. 16, no. 3, June 2024.
[Download][DOI: 10.1109/JPHOT.2024.3397857]
E. K. Cho and E. Simsek, "Enhancing the Resolution of Local Near-Field Probing Measurements with Machine Learning," IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 3, pp. 1515–1519, March 2024.
[Download][DOI: 10.1109/TMTT.2023.3312036]
I. Md Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, C. R. Menyuk, J. C. Campbell, D. A. Tulchinsky, K. J. Williams, "Use of Evolutionary Optimization Algorithms for the Design and Analysis of Low Bias, Low Phase Noise Photodetectors," Journal of Lightwave Technology, vol. 41, no. 23, pp. 7285–7291, Dec. 2023.
[Download][DOI: 10.1109/JLT.2023.3330099]
E. Simsek, I. Md Anjum, T. F. Carruthers, C. R. Menyuk, J. C. Campbell, D. A. Tulchinsky, K. J. Williams, "Fast Evaluation of RF Power Spectrum of Photodetectors with Windowing Functions," IEEE Trans. on Electron Devices, vol. 70, no. 7, pp. 3643-3648,July 2023.
[Download][DOI: 10.1109/TED.2023.3275553]
M. Soroush, E. Simsek, G. Moille, K. Srinivasan, and C. R. Menyuk, "Predicting broadband resonator-waveguide coupling for microresonator frequency combs through fully connected and recurrent neural networks and attention mechanism," ACS Photonics, 6, 1795–1805, 2023.
[Download][DOI: 10.1021/acsphotonics.3c00054]
E. Simsek, "Machine Learning Exercises on One Dimensional Electromagnetic Inversion," IEEE Transactions on Antennas and Propagation, vol. 69, no. 10, pp. 6797-6805, Oct. 2021.
[Download][DOI: 10.1109/TAP.2021.3069519]
E. Simsek, "Determining optical constants of 2D materials with neural networks from multi-angle reflectometry data,"
IOP Machine Learning: Science and Technology, vol. 1, no. 1, Feb. 2020.
[Download][DOI: 10.1088/2632-2153/ab6d5f]
Presentations at the International Conferences (after joining UMBC)
E. Simsek, A. Niang, R. P. Shandilya, Islam, L. Courtright, G. M. Carter, and C. R. Menyuk, “One-Stop-
Shop for Modeling Optical Frequency Comb Generation,” 26th International Conference on Electromagnetics in Advanced Applications (ICEAA 2025), Palermo, Italy, September 8-12, 2025. [Download]
E. Simsek and H. R. Manyam, “Improving object classification accuracy from electromagnetic data using
attention mechanisms,” 26th International Conference on Electromagnetics in Advanced Applications (ICEAA
2025), Palermo, Italy, September 8-12, 2025.[Download]
E. Simsek, R. Islam, and C. Menyuk, “Excito-Plasmonic Phototransistors with Improved Thermal Management,” Plasmonica Workshop, Modena, Italy, June 25–27, 2025.[Download]
E. Simsek, “Dielectric Waveguides,” 25th International Conference on the Computation of Electromagnetic
Fields (COMPUMAG 2025), Naples, Italy, June 22–26, 2025.[Download]
E. Simsek, S. H. Oishe, and R. Islam, “Adjoint Method Supported Topology Optimization for Electromagnetic/Photonic Inverse Design,” ACES 2025, Orlando, Florida, May 18–21, 2025.[Download]
E. Simsek, “Formulation and Applications of Electromagnetic Waves in Dielectric Waveguides and Rings,”
ACES 2025, Orlando, Florida, May 18–21, 2025.[Download]
Raonaqul Islam, Curtis R. Menyuk, and Ergun Simsek, "Effective Heat Dissipation From Plasmon Enhanced Monolayer WSe2 Phototransistors," IEEE Photonics Conference, 10-14 November 2024, Rome, Italy.
[Download]
Sumya H. Oishe, Raonaqul Islam, Curtis R. Menyuk, and Ergun Simsek, "Broadband Substrate Optimization with Adjoint Method and Green's Functions," IEEE Photonics Conference, 10-14 November 2024, Rome, Italy.
[Download]
Ishraq M. Anjum, Ergun Simsek, Seyed Ehsan Jamali Mahabadi, Thomas F. Carruthers, Curtis R. Menyuk, "Sources of Nonlinearity in Phase Noise of MUTC Photodetectors at Comb-Line Frequencies," IEEE Photonics Conference, 10-14 November 2024, Rome, Italy.
[Download]
E. Simsek and R. Islam, "A Compact Numerical Model for Photodetectors Made from Two-Dimensional Materials," SPIE Optics + Photonics 2024, San Diego, CA, 18–22 August 2024.
[Download]
E. Simsek and E. Cho, "Resolution Enhancement with Machine Learning," SPIE Optics + Photonics 2024, San Diego, CA, 18–22 August 2024.
[Download]
E. Simsek and C. R. Menyuk, "Thermal Characterization of Modified Uni-Traveling Carrier Photodetectors: Insights into Temperature-Dependent Performance Metrics," SPIE Optics + Photonics 2024, San Diego, CA, 18–22 August 2024.
[Download]
R. Islam, I. Md Anjum, C. R. Menyuk, and E. Simsek, "Heat Management and Quantum Efficiency Enhancement of Phototransistors Made from Two-Dimensional Materials," OPTICA Sensing Congress 2024, 15 – 19 July, 2024 in Toulouse, France.
[Download]
I. Md Anjum, A. S. Hastings, D. A. Tulchinsky, K. J. Williams, C. R. Menyuk, and E. Simsek, "Thermal Analysis of Photodetectors in Steady-State," OPTICA Sensing Congress 2024, 15 – 19 July, 2024 in Toulouse, France.
[Download]
Ergun Simsek, Raonaqul Islam, Curtis Menyuk, "Numerical Modeling of Photodetectors Made from Two-Dimensional Materials," 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting on 14-19 July 2024 in Florence, Italy.
[Download]
Ergun Simsek and Emerson Cho, "Enhancement of Non-Destructive Measurement Resolution with Neural Networks," 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting on 14-19 July 2024 in Florence, Italy.
[Download]
Ergun Simsek, "Electromagnetic Classification," 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting on 14-19 July 2024 in Florence, Italy.
[Download]
R. Islam and E. Simsek, “Modeling Two-Dimensional Material-Based Photodetectors with Finite- Difference Methods,” ACES 2024 Conference, May 19-23, 2024, Orlando, Florida, USA.
[Download]
E. Simsek and R. Islam, “Object Classification using Electromagnetic Data and Neural Networks,” ACES 2024 Conference, May 19-23, 2024, Orlando, Florida, USA.
[Download]
I. Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, and C. R. Menyuk, "Optimized MUTC Photodetector for Lower Phase Noise at Comb-Line Frequencies Below 40 GHz," 2023 Frontiers in Optics + Laser Science meeting (FiO LS 2023) Oct, 09-12, 2023, Tacoma, WA, USA.
I. Anjum, E. Simsek, S. E. Jamali Mahabadi, T. F. Carruthers, and C. R. Menyuk, “Dual-Objective Numerical Optimization of MUTC Photodetectors for Frequency Comb Applications,” 2023 IEEE Research and Applications of Photonics in Defense (RAPID) Conference, Miramar Beach, FL, USA, Sept. 11–13, 2023.
[Download]
E. Simsek, M. Soroush, G. Moille, K. Srinivasan, C. R. Menyuk, "Attention Mechanisms for Broadband Feature Prediction," SPIE Optical Engineering + Applications 2023, San Diego, California, United States, 20 - 24 August 2023.
[Download]
E. Simsek and C. R. Menyuk, "Designing Silicon-Germanium Photodetectors with Numerical Optimization: The Tradeoffs and Limits," SPIE Active Photonic Platforms (APP) 2023, San Diego, California, United States, 20 - 24 August 2023.
[Download]
E. Simsek, M. Soroush, G. Moille, K. Srinivasan, C. R. Menyuk, "Attention Mechanisms for Broadband Feature Prediction for Electromagnetic and Photonic Applications," 2023 Conference on Lasers and Electro-Optics/Europe – European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023), Munich, Germany, June 26-30, 2023.
[Download]
R. Islam, I. Md Anjum, C. R. Menyuk, and E. Simsek, "Designing Silicon-Germanium Photodetectors with Numerical Optimization: The Tradeoff Between Quantum Efficiency and Phase Noise," 2023 Conference on Lasers and Electro-Optics/Europe – European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023), Munich, Germany, June 26–30, 2023.
[Download]
E. Simsek, "Designing Energy Efficient Neural Networks According to Device Operation Principles," 44th PhotonIcs and Electromagnetics Research Symposium (PIERS), Prague, Czechia, July 3–6, 2023.[Download]
E. Simsek, I. Md Anjum, and C. R. Menyuk, "Designing Nonlinear Optoelectronic Devices with Numerical Optimization: Lessons Learned," 44th PhotonIcs and Electromagnetics Research Symposium (PIERS), Prague, Czechia, July 3–6, 2023.[Download]
E. Simsek, I. Md Anjum, and C. R. Menyuk, "Solving Drift Diffusion Equations on Non-uniform Spatial and Temporal Domains,"44th PhotonIcs and Electromagnetics Research Symposium (PIERS), Prague, Czechia, July 3–6, 2023. [Download]
E. Simsek, I. Md Anjum, T. F. Carruthers, and C. R. Menyuk, "Non-Uniform Time-Stepping and Windowing for Fast Simulation of Photodetectors," 2023 International Applied Computational Electromagnetics Society (ACES) Symposium, Monterey, CA, March 26–30, 2023. (invited)[Download]
E. Simsek, I. Md Anjum, T. F. Carruthers, C. R. Menyuk, D. A. Tulchinsky. K. J. Williams, and J. C. Campbell, "Efficient and Accurate Calculation of Photodetector RF Output Power," 2022 IEEE Photonics Conference, Vancoiver, Canada, 13 - 17 November 2022.
[Download]
I. Md Anjum, E. Simsek, S. E. J. Mahabadi, T. F. Carruthers, and C. R. Menyuk, "Design and Analysis of Low Bias, Low Phase Noise Photodetectors for Frequency Comb Applications Using Particle Swarm Optimization," 2022 IEEE International Topical Meeting on Microwave Photonics, Online, 04 - 06 October 2022. [Download]
E. Simsek, I. Md Anjum, T. F. Carruthers, and C. R. Menyuk, "Non-Uniform Time-Stepping For Fast Simulation of Photodetectors Under High-Peak-Power, Ultra-Short Optical Pulses," 22nd International Conference on Numerical Simulation of Optoelectronic Devices, Online, September 12-16, 2022.
[Download]
E. Simsek, I. Md Anjum, T. F. Carruthers, and C. R. Menyuk, "Designing Photodetectors with Machine Learning," Advanced Photonics Conference, Novel Optical Materials and Applications, Maastricht, Netherlands, July 24 -28, 2022.
[Download]
E. Simsek, "ODEMI: One Dimensional Electromagnetic Inversion Dataset to Study Machine Learning and Lessons Learned," Photonics and Electromagnetics Research Symposium, Hangzhou, 21-25 November 2021.
[Download]
E. Simsek, S. E. J. Mahabadi, I. Md Anjum, and C. R. Menyuk, "A Robust Drift-Diffusion Equations Solver Enabling Accurate Simulation of Photodetectors," Photonics and Electromagnetics Research Symposium, Hangzhou, 21-25 November 2021.
[Download]
I. Md Anjum, S. E. J. Mahabadi, E. Simsek, and C. R. Menyuk, "Calculation of the Phase Noise at Comb-Line Frequencies in a Frequency Comb," Frontiers in Optics 2021, Online, 01-04 November 2021.
[Download]
E. Simsek, S. E. J. Mahabadi, T. F. Carruthers, and C. R. Menyuk, "Photodetector Performance Prediction with Machine Learning," Frontiers in Optics 2021, Online, 01-04 November 2021.
[Download]
E. Simsek, S. E. J. Mahabadi, I. Md Anjum, and C. R. Menyuk, "Thinner and Faster Photodetectors Producing Lower Phase Noise," IEEE Photonics Conference 2021, Online, 18 – 21 October 2021.
[Download]
E. Simsek, "Fast Evaluation of Refractive Index with Machine Learning", Photonics and Electromagnetics Research Symposium, Rome, Italy, June 17-20, 2019. [Download]
B. Mukherjee, S. Roy, E. Simsek, S. Ghosh, V. G. Achanta, and S. Lodha, "Plasmonic Enhancement in Anisotropic Thin Films of Rhenium Disulphide (ReS2)," IEEE Photonics Conference 2018, Reston, VA, USA, Sep. 30 - Oct. 4, 2018.
[Download]
E. Simsek, M. Yuan, and Q. H. Liu, "Field Effect Transistors Deploying Anisotropic Two-Dimensional Materials for Light Generation and Detection," 2018 Frontiers in Optics + Laser Science (FIO + LS) Conference, Washington, DC, USA, September 16 - 20, 2018.
[Download]