Quantum Key Distribution with Vacua or Dim Pulses as Decoy States

Details Quantum Key Distribution with Vacua or Dim Pulses as Decoy States Quantum Key Distribution with Vacua or Dim Pulses as Decoy States

2005-09-11

arxiv.org/abs/quant-ph/0509076v1

Proceedings of IEEE ISIT(International Symposium on Information Theory) 2004, p. 137 (IEEE Press. 2004)

Physics

Quantum Physics

This Abstract was published in June 2004 as a conference proceeding of IEEE ISIT 2004. Here, we proposed for the first time th

Scientific paper

Recently, Hwang has proposed a decoy state method in quantum key distribution
(QKD). In Hwang's proposal, the average photon number of the decoy state is
about two. Here, we propose a new decoy state scheme using vacua or very weak
coherent states as decoy states and discuss its advantages.

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