论文标题
参数化协议通过分散原子相互作用实现光学域中的海森堡极限
Parametrized protocol achieving the Heisenberg limit in the optical domain via dispersive atom-light interactions
论文作者
论文摘要
腔体QED系统中的强和集体原子光相互作用在量子增强测量中执行多种益处。在这里，我们研究了已提出的时间反向协议，以感知光场的较小位移，并报告该方案的敏感性，可以加快速度以达到Heisenberg限制（HL）。我们显示该方案的全体性单位参数化过程，并且只需要选择适当的初始状态即可追求适当的初始敏感性。该方案可以铺平一种实验可行的方法，以实现具有非经典状态的Heisenberg限制的计量。
The strong and collective atom-light interactions in cavity-QED systems perform manifold benefits in quantum-enhanced measurements. Here, we study the time-reversal protocol that has been proposed to sense small displacements of the light field, and report the sensitivity of the scheme that could be speeded up to attain the Heisenberg limit (HL).We show the holonomic unitary parametrization process of the scheme and one only need to choose appropriate initial states to pursue the ultimate sensitivity. The scheme may pave an experimentally feasible way to achieve Heisenberg-limited metrology with nonclassical states.
