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Letter

Nature Physics 5, 541–546 (1 August 2009) | doi:10.1038/nphys1309

Quantum error correction beyond qubits

Takao Aoki , Go Takahashi , Tadashi Kajiya , Jun-ichi Yoshikawa , Samuel L. Braunstein , Peter van Loock & Akira Furusawa

Quantum computation and communication rely on the ability to manipulate quantum states robustly and with high fidelity. To protect fragile quantum-superposition states from corruption through so-called decoherence noise, some form of error correction is needed.