Acta Optica Sinica, Volume. 31, Issue 5, 527001(2011)
Coding and Correcting Circuits for Two-Quantum Errors
Under the non-measuring circuits, it is used the truth table method to propose the concept of two quantum error-correcting circuits and then a circuit which can code and correct one-qubit error、two-qubits error is construeted. This quantum circuit can correct one-qubit error and two-qubits error at the same time, break through the former limit that the circuit can only correct one-qubit error. A coding circuit is recommended to encod auxiliary bits of inputing information and judge the different input-bits quantum states according to different auxiliaries. During the process of designing 7-qubits error correction circuit, a modular thinking is advanced based on the 5-qubits error-correction circuits which can simplify the multi-qubits error-correction circuit design process.
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Lü Hongjun, Xie Guangjun. Coding and Correcting Circuits for Two-Quantum Errors[J]. Acta Optica Sinica, 2011, 31(5): 527001
Category: Quantum Optics
Received: Jul. 5, 2010
Accepted: --
Published Online: May. 9, 2011
The Author Email: Hongjun Lü (lvhongjun1958@sina.com)