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Quantum Algorithms
Exploring classical correlations in noise to recover quantum information using local filtering
arXiv
Authors: Daniel E. Jones, Brian T. Kirby, Gabriele Riccardi, Cristian Antonelli, Michael Brodsky
Year
2020
Paper ID
21980
Status
Preprint
Abstract Read
~2 min
Abstract Words
75
Citations
N/A
Abstract
A general quantum channel consisting of a decohering and a filtering element carries one qubit of an entangled photon pair. As we apply a local filter to the other qubit, some mutual quantum information between the two qubits is restored depending on the properties of the noise mixed into the signal. We demonstrate a drastic difference between channels with bit-flip and phase-flip noise and further suggest a scheme for maximal recovery of the quantum information.
Why This Paper Matters
- It adds a 2020 reference point for readers tracking recent quantum research.
- A general quantum channel consisting of a decohering and a filtering element carries one qubit of an entangled photon pair.
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