Painting Nonclassical States of Spin or Motion with Shaped Single Photons
Painting Nonclassical States of Spin or Motion with Shaped Single Photons
复制标题
用成形单光子绘制非经典的旋转或运动状态
DOI：
10.1103/physrevlett.121.123602
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发表时间：
2018
影响因子：
8.6
通讯作者：
Schleier-Smith, Monika H.
中科院分区：
文献类型：
--
作者：
Davis, Emily J.;Wang, Zhaoyou;Safavi-Naeini, Amir H.;Schleier-Smith, Monika H.
我们提出了一种鲁棒的方案，用于借助单个光子生成自旋或运动的宏观叠加态。即使存在光子损失，塑造光子的波包也能够高保真地制备非经典物质态。光电探测预示着成功，使得该方案能够在弱相干场下实施。我们分析了制备集体原子自旋或耦合到光学谐振器的机械振荡器的薛定谔猫态的应用。该方法可推广到准备相干态的任意叠加，从而实现完全的量子控制。我们通过展示如何准备迪克或福克状态以及迪克或福克基础上的叠加来说明这种多功能性。
We propose a robust scheme for generating macroscopic superposition states of spin or motion with the aid of a single photon. Shaping the wave packet of the photon enables high-fidelity preparation of nonclassical states of matter even in the presence of photon loss. Success is heralded by photodetection, enabling the scheme to be implemented with a weak coherent field. We analyze applications to preparing Schrödinger cat states of a collective atomic spin or of a mechanical oscillator coupled to an optical resonator. The method generalizes to preparing arbitrary superpositions of coherent states, enabling full quantum control. We illustrate this versatility by showing how to prepare Dicke or Fock states, as well as superpositions in the Dicke or Fock basis.