|
related topics |
{key, protocol, security} |
{let, theorem, proof} |
{alice, bob, state} |
{measurement, state, measurements} |
{photon, photons, single} |
{error, code, errors} |
{states, state, optimal} |
{operator, operators, space} |
{cos, sin, state} |
{information, entropy, channel} |
{bell, inequality, local} |
|
Unconditional Security of Practical Quantum Key Distribution
H. J. Hupkes
abstract: We present an extension of the first proof for the unconditional security of
the BB84 quantum key distribution protocol which was given by Mayers. We remove
the constraint that a perfect BB84 quantum source is required and the proof
given here covers a range of practical quantum sources. Nothing is assumed
about the detector except that the efficiency with which signals are detected
is basis independent.
- oai_identifier:
- oai:arXiv.org:quant-ph/0402170
- categories:
- quant-ph
- comments:
- 36 pages
- arxiv_id:
- quant-ph/0402170
- created:
- 2004-02-23
Full article ▸
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