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IBM 发布 Nighthawk r3:520 个可编程量子比特支持 1 万次量子操作

2026-11-12 17:15:26

ChainCatcher 消息,IBM 宣布下一代超导量子处理器 IBM Quantum Nighthawk r3,设计可在 520 个可编程量子比特上准确执行 1 万次量子操作。该处理器包含 2034 个物理量子比特,延续 Nighthawk r2 的方形晶格连接与快速操作架构,并新增 10 个名为 l-couplers 的芯片间互连。IBM 计划于 2027 年将两个 Nighthawk r3 处理器连接为单一 1040 量子比特系统。

目前已投入使用的 Nighthawk r2 配备 120 个可编程量子比特、218 个耦合器和 120 个重置元件,每秒可执行超过 10 万个电路,吞吐量约为 Heron 的 25 倍,合作伙伴工作负载的运行速度最高提升 19 倍,其中 E.ON 报告提升 15 倍。IBM 此前使用 4 个 l-couplers 连接两个 Nighthawk r1 处理器,量子态传输保真度最高达 99.3%,平均为 99%;其连接的两个低温模块在 5 天内降至 15 毫开尔文以下。

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