Nonlocality degradation of two-mode squeezed vacuum in absorbing optical fibers

Details Nonlocality degradation of two-mode squeezed vacuum in absorbing optical fibers Nonlocality degradation of two-mode squeezed vacuum in absorbing optical fibers

2002-01-25

arxiv.org/abs/quant-ph/0201114v1

Physics

Quantum Physics

4 pages, 4 figures

Scientific paper

Transfer of nonlocal two-mode squeezed vacuum state through symmetrical and
asymmetrical lossy channel is analysed and we demonstrate that the nonlocality
is more robust against losses, than it has been previously suggested. It can be
important for security of continuous-variable quantum cryptography employing
entangled states.

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