Efficient quantum repeater based on deterministic Rydberg gates

verfasst von

Bo Zhao, Markus Müller, Klemens Hammerer, Peter Zoller

Abstract

We propose an efficient quantum repeater architecture with mesoscopic atomic ensembles, where the Rydberg blockade is employed for deterministic local entanglement generation, entanglement swapping, and entanglement purification. Compared to a conventional atomic-ensemble-based quantum repeater, the entanglement distribution rate is improved by up to two orders of magnitude with the help of the deterministic Rydberg gate. This quantum repeater scheme is robust and fast, and thus opens up a way for practical long-distance quantum communication.

Externe Organisation(en)

Universität Innsbruck
Austrian Academy of Sciences

Typ

Artikel

Journal

Physical Review A - Atomic, Molecular, and Optical Physics

Band

81

ISSN

1050-2947

Publikationsdatum

21.05.2010

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Atom- und Molekularphysik sowie Optik

Elektronische Version(en)

https://doi.org/10.1103/PhysRevA.81.052329 (Zugang: Unbekannt)