Robust creation of entanglement between remote memory qubits

Preprint

8 June 2007

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.quant-ph/0609154

Abstract

In this Letter we propose a robust quantum repeater architecture building on the original DLCZ protocol [L.M. Duan \textit{et al.}, Nature \textbf{414}, 413 (2001)]. The architecture is based on two-photon Hong-Ou-Mandel-type interference which relaxes the long distance stability requirements by about 7 orders of magnitude, from sub wavelength for the single photon interference required by DLCZ to the coherence length of the photons. Our proposal provides an exciting possibility for robust and realistic long distance quantum communication.

Keywords

ROBUST CREATION
ROBUST QUANTUM
MEMORY QUBITS
REMOTE MEMORY
ARCHITECTURE
PHOTON
QUBITS
DLCZ

All Related Versions

Version 1, 2006-09-20, ArXiv
Version 2, 2007-06-08, ArXiv
Published version: Physical Review Letters, 98 (24), 240502.

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