Quantum Error Correction of Continuous Variable States against Gaussian Noise

TL;DR

This paper presents a continuous variable quantum error correction protocol capable of mitigating Gaussian noise from linear loss on Gaussian states, utilizing linear optics and photon counting, with analysis of theoretical bounds and practical performance.

Contribution

It introduces a novel error correction protocol for continuous variable quantum states that can be implemented with existing optical technology.

Findings

Protocol can correct Gaussian noise induced by linear loss.

Theoretical bounds of the error correction are analyzed.

Expected performance with current technology is evaluated.

Abstract

We describe a continuous variable error correction protocol that can correct the Gaussian noise induced by linear loss on Gaussian states. The protocol can be implemented using linear optics and photon counting. We explore the theoretical bounds of the protocol as well as the expected performance given current knowledge and technology.