论文标题
基于回声的量子记忆的读取时间键质量分析仪
A readout-integrated time-bin qutrit analyzer for echo-based quantum memories
论文作者
论文摘要
我们提出了一种使用几个连续的内存部分读数来投射存储在基于回声的量子内存中的QUTRIT的方法。我们演示了如何使用该方案将投影实现到整个相互无偏基的基础上，因此可以实现任意量子状态的表征。此外，我们通过模拟完整的存储过程并在$^{151} $ eu $ $^{3+} $：y $ $ _2 $ sio $ _5 $中，通过模拟完整的存储过程并执行具有明亮的时间键脉冲的存储实验来研究该协议的集成。在这种情况下，引入和表征了用于快速连续的部分读数的复合脉冲。
We present a method to project time-bin qutrits stored in an echo-based quantum memory using several successive partial readouts of the memory. We demonstrate how this scheme can be used to implement projections onto a full set of mutually unbiased bases and, therefore, enables the characterization of arbitrary quantum states. Further, we study the integration of this protocol for the case of atomic frequency comb spin-wave storage by simulating the full storage process and performing a storage experiment with bright time-bin pulses in $^{151}$Eu$^{3+}$:Y$_2$SiO$_5$. In this context, a compound pulse for implementing partial readouts in quick succession is introduced and characterized.
