Entanglement-Assisted Quantum Error Correction with Linear Optics
arXiv:0705.4314 · doi:10.1103/PhysRevA.76.052308
Abstract
We construct a theory of continuous-variable entanglement-assisted quantum error correction. We present an example of a continuous-variable entanglement-assisted code that corrects for an arbitrary single-mode error. We also show how to implement encoding circuits using passive optical devices, homodyne measurements, feedforward classical communication, conditional displacements, and off-line squeezers.
8 pages, 1 figure, major expansion of paper with detailed example
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- Quantum optical coherence can survive photon losses: a continuous-variable quantum erasure correcting code
- Encoding One Logical Qubit Into Six Physical Qubits
- Quantum Coding with Entanglement
- Coherent Communication with Linear Optics
- Protecting Quantum Information with Entanglement and Noisy Optical Modes
- Bounds on concatenated entanglement-assisted quantum error-correcting codes