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具有分层量子频率论界限的光子计量学
量子克拉默-拉奥界限(QCRB)在有限数据场景下存在不足,本文通过混合经典-量子框架引入广义无偏性约束,构建了收敛于QCRB的分层频繁主义界限,并在光子平台验证了单量子相位估计的实验方案。 量子计量学是一门研究如何利用量子资源(如纠缠和相干性 ...
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