Nondeterministic Noiseless Linear Amplification of Quantum Systems

Details Nondeterministic Noiseless Linear Amplification of Quantum Systems Nondeterministic Noiseless Linear Amplification of Quantum Systems

2008-09-01

arxiv.org/abs/0809.0326v1

Quantum Communication Measurement and Computing Proceedings of 9th International Conference, Ed. A.Lvovsky, 155-160 (AIP, New

Physics

Quantum Physics

Scientific paper

We introduce the concept of non-deterministic noiseless linear amplification. We propose a linear optical realization of this transformation that could be built with current technology. We discuss two applications; ideal probabilistic cloning of coherent states and distillation of continuous variable entanglement. For the latter example we demonstrate that highly pure entanglement can be distilled from transmission over a lossy channel.

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