Cavity Carving of Atomic Bell States
Quantum Physics
2017-05-30 v1
Abstract
We demonstrate entanglement generation of two neutral atoms trapped inside an optical cavity. Entanglement is created from initially separable two-atom states through carving with weak photon pulses reflected from the cavity. A polarization rotation of the photons heralds the entanglement. We show the successful implementation of two different protocols and the generation of all four Bell states with a maximum fidelity of (90+-2)%. The protocol works for any distance between cavity-coupled atoms, and no individual addressing is required. Our result constitutes an important step towards applications in quantum networks, e.g. for entanglement swapping in a quantum repeater.
Keywords
Cite
@article{arxiv.1704.08982,
title = {Cavity Carving of Atomic Bell States},
author = {Stephan Welte and Bastian Hacker and Severin Daiss and Stephan Ritter and Gerhard Rempe},
journal= {arXiv preprint arXiv:1704.08982},
year = {2017}
}
Comments
9 pages, 7 figures including Supplement