论文标题
从原子链到纳米纤维的手性光子发射对手性光子发射的测量反馈控制
Measurement-feedback control of chiral photon emission from an atom chain into a nanofiber
论文作者
论文摘要
我们从理论上研究了基于测量的反馈控制激光驱动的一维原子链与纳米纤维连接的。接口导致原子发射器之间的全部相互作用，并引起手性，即光子的方向发射到纳米纤维的首选引导模式中。在设置中，我们考虑的是，通过光子计数或通过同性恋检测光电流四元素进行的带导光的测量通过调节驱动激光场的调制将其馈入系统。我们研究了这种反馈方案如何影响引导光场的光子计数速率和四倍。此外，我们分析了反馈如何改变原子链的多体稳态。我们的结果提供了一些有关如何通过最先进的实验设置来实现的光明网络中如何控制和工程动力学的见解。
We theoretically investigate measurement-based feedback control of a laser-driven one-dimensional atomic chain interfaced with a nanofiber. The interfacing leads to all-to-all interactions among the atomic emitters and induces chirality, i.e. the directional emission of photons into a preferred guided mode of the nanofiber. In the setting we consider, the measurement of guided light -- conducted either by photon counting or through homodyne detection of the photocurrent quadratures -- is fed back into the system through a modulation of the driving laser field. We investigate how this feedback scheme influences the photon counting rate and the quadratures of the guided light field. Moreover, we analyse how feedback alters the many-body steady state of the atom chain. Our results provide some insights on how to control and engineer dynamics in light-matter networks realizable with state-of-the-art experimental setups.
