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Quantum Error Correction Fault Tolerance

All-optical cat-code quantum error correction

DOAJ
Authors: Jacob Hastrup, Ulrik Lund Andersen

Year

2022

Paper ID

35413

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

90

Citations

35

Abstract

The cat code is a promising encoding scheme for bosonic quantum error correction as it allows for correction against losses—the dominant error mechanism in most bosonic systems. However, it has remained unclear how the required syndrome measurement and recovery can be implemented in the optical regime. Here, we introduce a teleportation-based error-correction scheme for the cat code, using elements suitable for an optical setting. The scheme detects and corrects single-photon losses while restoring the amplitude of the cat states, thereby greatly suppressing the accumulation of errors in lossy channels.

Why This Paper Matters

  • This paper contributes to the Quantum Error Correction & Fault Tolerance research area in the Quantum Articles archive.
  • It adds a 2022 reference point for readers tracking recent quantum research.
  • The cat code is a promising encoding scheme for bosonic quantum error correction as it allows for correction against losses—the dominant error mechanism in most bosonic systems.

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