|
related topics |
{photon, photons, single} |
{key, protocol, security} |
{qubit, qubits, gate} |
{alice, bob, state} |
{trap, ion, state} |
{time, systems, information} |
{spin, pulse, spins} |
{time, wave, function} |
|
Quantum key distribution network with wavelength addressing
Xiao-Fan Mo, Tao Zhang, Fang-Xing Xu, Zheng-Fu Han, Guang-Can Guo
abstract: Most traditional applications of quantum cryptography are point-to-point
communications, in which only two users can exchange keys. In this letter, we
present a network scheme that enable quantum key distribution between
multi-user with wavelength addressing. Considering the current state of
wavelength division multiplexing technique, dozens or hundreds of users can be
connected to such a network and directly exchange keys with each other. With
the scheme, a 4-user demonstration network was built up and key exchanges were
performed.
- oai_identifier:
- oai:arXiv.org:quant-ph/0610096
- categories:
- quant-ph
- comments:
- 11 pages, 3 figures
- arxiv_id:
- quant-ph/0610096
- created:
- 2006-10-12
- updated:
- 2006-10-14
Full article ▸
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