Gaussian Error Correction of Quantum States in a Correlated Noisy Channel

Mikael Østergaard Lassen, Adriano Berni, Lars Skovgaard Madsen, Radim Filip, Ulrik Lund Andersen

Research output: Contribution to journalJournal articleResearchpeer-review

391 Downloads (Pure)


Noise is the main obstacle for the realization of fault-tolerant quantum information processing and secure communication over long distances. In this work, we propose a communication protocol relying on simple linear optics that optimally protects quantum states from non-Markovian or correlated noise. We implement the protocol experimentally and demonstrate the near-ideal protection of coherent and entangled states in an extremely noisy channel. Since all real-life channels are exhibiting pronounced non-Markovian behavior, the proposed protocol will have immediate implications in improving the performance of various quantum information protocols.
Original languageEnglish
JournalPhysical Review Letters
Issue number18
Pages (from-to)180502
Publication statusPublished - 2013

Bibliographical note

© 2013 American Physical Society

Fingerprint Dive into the research topics of 'Gaussian Error Correction of Quantum States in a Correlated Noisy Channel'. Together they form a unique fingerprint.

Cite this