非线性前,使量子计算成为可能
Atsushi Sakaguchi1,2, Shunya Konno3, Fumiya Hanamura3
1Department of Applied Physics, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan. atsushi.sakaguchi@riken.jp.
Nature communications
|July 12, 2023
概括
研究人员展示了量子计算的快速,灵活的非线性前. 这种基本的测量技术使用非高斯状态将过量噪声减少10%,从而推进了容错量子计算.
科学领域:
- 量子信息科学 量子信息科学
- 光学量子计算 量子计算
- 量子计算是一种量子计算.
背景情况:
- 可扩展的量子计算是通过基于测量的方法进行的.
- 光学时间域复杂化为可扩展性提供了一个有希望的路线.
- 容错性和通用性需要先进的前技术.
研究的目的:
- 为了证明量子计算的快速和灵活的非线性前.
- 实现用于容错和通用量子计算的基本测量.
- 为了减少光学量子计算中的测量过剩噪声.
主要方法:
- 实现非线性电光输送向前.
- 使用非高斯辅助状态进行测量.
- 采用光学时间域多重复合来实现可扩展性.
主要成果:
- 展示了一个快速灵活的非线性前机制.
- 在测量过量噪声方面实现了10%的降低.
- 验证了非线性前在量子计算中的重要作用.
结论:
- 非线性前对于容错和通用量子计算至关重要.
- 非高斯辅助状态显著减少测量噪声.
- 这项工作推动了可扩展光学量子计算机的实现.
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