3 papers
physics.comp-ph2020
Wigner-Smith Time Delay Matrix for Electromagnetics: Theory and Phenomenology
Utkarsh R. Patel, Eric Michielssen
Wigner-Smith (WS) time delay concepts have been used extensively in quantum mechanics to characterize delays experienced by particles interacting with a potential well. This paper…
cs.CE2019
A Fast Macromodeling Approach to Efficiently Simulate Inhomogeneous Electromagnetic Surfaces
Utkarsh R. Patel, Piero Triverio, Sean V. Hum
The full-wave simulation of complex electromagnetic surfaces such as reflectarrays and metasurfaces is a challenging problem. In this paper, we present a macromodeling approach to…
physics.comp-ph2018
A Complete Surface Integral Method for Broadband Modeling of 3D Interconnects in Stratified Media
Shashwat Sharma, Utkarsh R. Patel, Sean V. Hum +1
A surface integral equation solver is proposed for fast and accurate simulation of interconnects embedded in stratified media. A novel technique for efficient computation of the mu…