利用挤压福克态进行纠错

IF 2.2 3区物理与天体物理 Q1 PHYSICS, MATHEMATICAL

Quantum Information Processing Pub Date : 2024-10-18 DOI:10.1007/s11128-024-04549-w

S. B. Korolev, E. N. Bashmakova, T. Yu. Golubeva

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引用次数: 0

摘要

论文探讨了基于挤压福克态的量子计算纠错码的构建。研究表明，使用挤压福克态可以满足玻色纠错码的克尼尔-拉夫拉姆（KL）标准。结果表明，第一个挤压福克态比高阶态能更好地纠正粒子丢失和退相错误。在 KL 成本函数的基础上，对所提出的编码与基于挤压薛定谔猫态的编码进行了比较。利用该函数，我们表明，在有粒子损耗和去相的信道中，挤压第一福克态在保护信息方面具有竞争力。

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Error correction using squeezed Fock states

The paper addresses the construction of an error correction code for quantum computations based on squeezed Fock states. It is shown that the use of squeezed Fock states makes it possible to satisfy the Knill-Laflamme (KL) criteria for bosonic error correction codes. It is shown that the first squeezed Fock state corrects both particle loss and dephasing errors better than higher-order states. A comparison of the proposed code with a code based on the squeezed Schrodinger’s cat states is carried out on the basis of the KL cost function. Using this function, we show that the squeezed first Fock state is competitive in protecting information in a channel with particle loss and dephasing.

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来源期刊

Quantum Information Processing 物理-物理：数学物理

CiteScore

4.10

自引率

20.00%

发文量

337

审稿时长

4.5 months

期刊介绍： Quantum Information Processing is a high-impact, international journal publishing cutting-edge experimental and theoretical research in all areas of Quantum Information Science. Topics of interest include quantum cryptography and communications, entanglement and discord, quantum algorithms, quantum error correction and fault tolerance, quantum computer science, quantum imaging and sensing, and experimental platforms for quantum information. Quantum Information Processing supports and inspires research by providing a comprehensive peer review process, and broadcasting high quality results in a range of formats. These include original papers, letters, broadly focused perspectives, comprehensive review articles, book reviews, and special topical issues. The journal is particularly interested in papers detailing and demonstrating quantum information protocols for cryptography, communications, computation, and sensing.