Decoherence-Free Subspaces in Quantum Key Distribution

Details Decoherence-Free Subspaces in Quantum Key Distribution Decoherence-Free Subspaces in Quantum Key Distribution

2003-04-10

arxiv.org/abs/quant-ph/0304075v2

Physics

Quantum Physics

A few minor errors corrected; accepted for publication in PRL

Scientific paper

10.1103/PhysRevLett.91.087901

We demonstrate that two recent innovations in the field of practical quantum key distribution (one-way autocompensation and passive detection) are closely related to the methods developed to protect quantum computations from decoherence. We present a new scheme that combines these advantages, and propose a practical implementation of this scheme that is feasible using existing technology.

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