Quantum Repeater with Encoding

Details Quantum Repeater with Encoding Quantum Repeater with Encoding

2008-09-22

arxiv.org/abs/0809.3629v2

Phys. Rev. A 79, 032335 (2009)

Physics

Quantum Physics

11 pages, 5 figures (add new section III with an explicit example and new appendix A)

Scientific paper

10.1103/PhysRevA.79.032335

We propose a new approach to implement quantum repeaters for long distance quantum communication. Our protocol generates a backbone of encoded Bell pairs and uses the procedure of classical error correction during simultaneous entanglement connection. We illustrate that the repeater protocol with simple Calderbank-Shor-Steane (CSS) encoding can significantly extend the communication distance, while still maintaining a fast key generation rate.

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