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Updated: Mar 3, 2026

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超导集成按需量子内存与微波脉冲保护
Aleksei R Matanin1,2, Nikita S Smirnov1,2, Anton I Ivanov1
1Bauman Moscow State Technical University, Shukhov Labs, Quantum Park, Moscow 105005, Russia.
Physical review letters
|March 1, 2026
概括
这项研究引入了一种新的集成超导量子内存,用于量子错误校正. 新设计实现了1.51微秒的循环时间和57.5%的存储保真度,为可扩展的量子计算铺平了道路.
科学领域:
- 量子信息科学 量子信息科学
- 超导电路中的超导电路
- 量子计算是一种量子计算.
背景情况:
- 微波量子内存对于量子雷达和量子错误校正至关重要.
- 超导体共振器提供了高效的存储,但面临着芯片上的损失挑战.
- 克服设计和材料限制是集成量子内存的关键.
研究的目的:
- 为集成超导量子内存提供一种新的架构.
- 通过使用动态控制的RF-SQUID合器来证明高效的存储和循环.
- 为了评估设备对量子状态存储的性能.
主要方法:
- 开发了一个集成的超导量子内存架构.
- 使用动态控制的射频超导量子干扰装置 (RF-SQUID) 合元件.
- 在单光子水平激发下测试了存储保真性和脉冲形状的保存.
主要成果:
- 实现了1.51微秒的记忆周期时间.
- 证明了57.5%的存储保真度与脉冲形状的保存.
- 确定阻抗匹配和材料缺陷作为主要限制.
结论:
- 拟议的架构显示了对芯片上的量子位和内存集成的潜力.
- 该设备在低光子群体中以线性运行,兼容量子状态存储.
- 在阻抗匹配和材料的进一步改进可以导致接近单元的存储保真度.
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