activity
20142020
most citedFundamental limits to optical response in absorptive systems

173 citations · 309 across the 11 of their papers we have counts for

collaborators

11 papers

physics.med-ph2020

Magnetic-resonance-based electrical property mapping using Global Maxwell Tomography with an 8-channel head coil at 7 Tesla: a simulation study

Ilias I. Giannakopoulos, José E. C. Serrallés, Luca Daniel +4

Objective: Global Maxwell Tomography (GMT) is a recently introduced volumetric technique for noninvasive estimation of electrical properties (EP) from magnetic resonance measuremen…

physics.comp-ph2019

Preconditioning the discrete dipole approximation

Samuel P. Groth, Athanasios G. Polimeridis, Jacob K. White

The discrete dipole approximation (DDA) is a popular numerical method for calculating the scattering properties of atmospheric ice crystals. The standard DDA formulation involves t…

math.NA2019★ 18 cited

Circulant preconditioning in the volume integral equation method for silicon photonics

Samuel P. Groth, Athanasios G. Polimeridis, Alexandra Tambova +1

Recently, the volume integral equation (VIE) approach has been proposed as an efficient simulation tool for silicon photonics applications [J. Lightw. Technol. 36, 3765 (2018)]. Ho…

math.NA2019★ 9 cited

A Fast Volume Integral Equation Solver with Linear Basis Functions for the Accurate Computation of Electromagnetic Fields in MRI

Ioannis P. Georgakis, Ilias I. Giannakopoulos, Mikhail S. Litsarev +1

A stable volume integral equation (VIE) solver based on polarization/magnetization currents is presented, for the accurate and efficient computation of the electromagnetic scatteri…

math.NA2018★ 25 cited

Memory footprint reduction for the FFT-based volume integral equation method via tensor decompositions

Ilias I. Giannakopoulos, Mikhail S. Litsarev, Athanasios G. Polimeridis

We present a method of memory footprint reduction for FFT-based, electromagnetic (EM) volume integral equation (VIE) formulations. The arising Green's function tensors have low mul…

physics.comp-ph2018★ 5 cited

Adiabatic absorbers in photonics simulations with the volume integral equation method

Alexandra Tambova, Samuel P. Groth, Jacob K. White +1

This paper describes the implementation and performance of adiabatic absorbing layers in an FFT-accelerated volume integral equation (VIE) method for simulating truncated nanophoto…