Analysis of screening effects on terahertz photoconductive devices using a fully-coupled multiphysics approach

L Chen, H Bagci - Journal of Lightwave Technology, 2021 - opg.optica.org
The terahertz current generated by a photoconductive device (PCD) saturates as the power
of the input optical pump is increased. This behavior is induced by various screening effects …

A memory-efficient implementation of perfectly matched layer with smoothly varying coefficients in discontinuous Galerkin time-domain method

L Chen, MB Özakın, S Ahmed… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Wrap** a computation domain with a perfectly matched layer (PML) is one of the most
effective methods of imitating/approximating the radiation boundary condition in the Maxwell …

A Coupled Hybridizable Discontinuous Galerkin and Boundary Integral Method for Analyzing Electromagnetic Scattering

R Zhao, M Dong, L Chen, J Hu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A coupled hybridizable discontinuous Galerkin (HDG) and boundary integral (BI) method is
proposed to efficiently analyze electromagnetic scattering from inhomogeneous/composite …

3D concentric electrodes-based alternating current electrohydrodynamics: design, simulation, fabrication, and potential applications for bioassays

RKS Silva, S Rauf, M Dong, L Chen, H Bagci… - Biosensors, 2022 - mdpi.com
Two-dimensional concentric asymmetric microelectrodes play a crucial role in develo**
sensitive and specific biological assays using fluid micromixing generated by alternating …

A locally-implicit discontinuous Galerkin time-domain method to simulate metasurfaces using generalized sheet transition conditions

L Chen, MB Özakin, R Zhao… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The generalized sheet transition conditions (GSTCs) are incorporated into a discontinuous
Galerkin time-domain (DGTD) method to efficiently simulate metasurfaces. The numerical …

Efficient discontinuous Galerkin scheme for analyzing nanostructured photoconductive devices

L Chen, K Sirenko, P Li, H Bagci - Optics Express, 2021 - opg.optica.org
Incorporation of plasmonic nanostructures in the design of photoconductive devices (PCDs)
has significantly improved their optical-to-terahertz conversion efficiency. However, this …

Material absorption-based carrier generation model for modeling optoelectronic devices

L Chen, H Bagci - 2021 - repository.kaust.edu.sa
The generation rate of photocarriers in optoelectronic materials is commonly calculated
using the Poynting vector in the frequency domain. In time-domain approaches where the …

Electromagnetic Scattering Analysis using a Hybridizable Discontinuous Galerkin-Boundary Integral Method

R Zhao, M Dong, L Chen, H Bagci… - 2023 International …, 2023 - ieeexplore.ieee.org
A method that couples the hybridizable discontin-uous Galerkin (HDG) and boundary-
integral (BI) equation is proposed to efficiently and accurately analyze electromagnetic …

[CITATION][C] Método numérico disipativo para el problema electrostático de un sistema bidimensional de dieléctricos y conductores

D Urzagasti - Revista Boliviana de Física, 2022 - Unión Iberoamericana de …