Noise enhancing the classical information capacity of a quantum channel

Details Noise enhancing the classical information capacity of a quantum channel Noise enhancing the classical information capacity of a quantum channel

2003-11-19

arxiv.org/abs/quant-ph/0311126v1

Phys. Lett. A 321, 1-5 (2004)

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

We present a simple model of quantum communication where a noisy quantum
channel may benefit from the addition of further noise at the decoding stage.
We demonstrate enhancement of the classical information capacity of an
amplitude damping channel, with a predetermined detection threshold, by the
addition of noise in the decoding measurement.

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