Hardware-efficient autonomous quantum error correction

Zaki Leghtas, Gerhard Kirchmair, Brian Vlastakis, Robert Schoelkopf, Michel Devoret, Mazyar Mirrahimi · 2013 · Phys. Rev. Lett. 111, 120501 (2013)

| 编号 QE169 | 主题 玻色子码 | 链接 arXiv:1207.0679 |

摘要

摘要保留原文（英文）

摘要取自 arXiv / 出版方元数据，未作翻译，以保证与原文一致。

We propose a new method to autonomously correct for errors of a logical qubit induced by energy relaxation. This scheme encodes the logical qubit as a multi-component superposition of coherent states in a harmonic oscillator, more specifically a cavity mode. The sequences of encoding, decoding and correction operations employ the non-linearity provided by a single physical qubit coupled to the cavity. We layout in detail how to implement these operations in a practical system. This proposal directly addresses the task of building a hardware-efficient and technically realizable quantum memory.

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