2 papers
physics.optics2022
Negative refractive index in dielectric crystals containing stoichiometric rare-earth ions
Matthew C. Berrington, Henrik M. Rønnow, Matthew J. Sellars +1
We investigate the prospect of achieving negative permittivity and permeability at optical frequencies in a dielectric crystal containing stoichiometric rare-earth ions. We derive…
quant-ph2018
Microwave to optical photon conversion via fully concentrated rare-earth ion crystals
Jonathan. R. Everts, Matthew. C. Berrington, Rose. L. Ahlefeldt +1
Most investigations of rare earth ions in solids for quantum information have used rare earth ion doped crystals. Here we analyse the conversion of quantum information from microwa…