3 papers
physics.optics2026
Refractive index retrieval of 3D printed materials for photonic applications
Joseph Arnold Riley, Christian Johnson-Richards, Noel Healy +1
The advent of additive manufacturing has opened opportunities to rapidly prototype devices and products ranging from automotive and aerospace applications to micro/nanoscale metast…
physics.optics2024
Topological Valley Photonic Waveguides: Scattering matrix evaluation for linear computing
Christian Johnson-Richards, Alex Yakovlev, Victor Pacheco-Peña
Topological boundary modes utilizing valley mode waveguides have opened opportunities in, for instance, the design of high transmission waveguides with tolerance to geometrical def…
physics.class-ph2023
Perfect Splitting in Rectangular Waveguide Junctions for Analogue Computing
William Rogers, Christian Johnson-Richards, Alex Yakovlev +1
It has been recently shown how computing operations such as high-speed switching, routing, and solving partial differential equations can be performed by exploiting perfect splitti…