Stabilizer Quantum Error Correction with Qubus Computation

Details Stabilizer Quantum Error Correction with Qubus Computation Stabilizer Quantum Error Correction with Qubus Computation

2006-12-12

arxiv.org/abs/quant-ph/0612097v1

Phys. Rev. A 76, 012303 (2007)

Physics

Quantum Physics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevA.76.012303

In this paper we investigate stabilizer quantum error correction codes using controlled phase rotations of strong coherent probe states. We explicitly describe two methods to measure the Pauli operators which generate the stabilizer group of a quantum code. First, we show how to measure a Pauli operator acting on physical qubits using a single coherent state with large average photon number, displacement operations, and photon detection. Second, we show how to measure the stabilizer operators fault-tolerantly by the deterministic preparation of coherent cat states along with one-bit teleportations between a qubit-like encoding of coherent states and physical qubits.

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