论文标题
芯片级灾难性误差的分布式量子误差校正
Distributed quantum error correction for chip-level catastrophic errors
论文作者
论文摘要
量子误差校正是扩展量子计算机的关键。宇宙射线事件通过引起芯片级灾难性错误，严重影响量子计算机的操作，从本质上消除了芯片中编码的信息。在这里，我们提出了一种分布式错误校正方案，以通过在单独的芯片上引入量子擦除误差校正代码来应对此类事件的毁灭性效果。我们表明，我们的方案是针对CHIP级灾难性错误的容错的，并使用具有微波链路的超导量尺寸讨论了其实验实现。我们的分析表明，在最新的实验中，可以抑制这些错误的速率，从每10秒1到每月不到1。
Quantum error correction holds the key to scaling up quantum computers. Cosmic ray events severely impact the operation of a quantum computer by causing chip-level catastrophic errors, essentially erasing the information encoded in a chip. Here, we present a distributed error correction scheme to combat the devastating effect of such events by introducing an additional layer of quantum erasure error correcting code across separate chips. We show that our scheme is fault tolerant against chip-level catastrophic errors and discuss its experimental implementation using superconducting qubits with microwave links. Our analysis shows that in state-of-the-art experiments, it is possible to suppress the rate of these errors from 1 per 10 seconds to less than 1 per month.
