Generating maximal entanglement between spectrally distinct solid-state emitters
Abstract
We show how to create maximal entanglement between spectrally distinct solid-state emitters embedded in a waveguide interferometer. By revealing the rich underlying structure of multi-photon scattering in emitters, we show that a two-photon input state can generate deterministic maximal entanglement even for emitters with significantly different transition energies and line-widths. The optimal frequency of the input is determined by two competing processes: which-path erasure and interaction strength. We find that smaller spectral overlap can be overcome with higher photon numbers, and quasi-monochromatic photons are optimal for entanglement generation. Our work provides a new methodology for solid-state entanglement generation, where the requirement for perfectly matched emitters can be relaxed in favour of optical state optimisation.
Cite
@article{arxiv.1901.03631,
title = {Generating maximal entanglement between spectrally distinct solid-state emitters},
author = {David L. Hurst and Kristoffer B. Joanesarson and Jake Iles-Smith and Jesper Mørk and Pieter Kok},
journal= {arXiv preprint arXiv:1901.03631},
year = {2019}
}
Comments
Main text: 6 pages, 4 figures. Supplemental information: 10 pages, 3 figures