标题： 广义量子中继图态 显示英文标题

标题： Generalized Quantum Repeater Graph States

摘要： 全光子量子中继器对于建立长距离量子纠缠是必不可少的。 在中继节点中，可靠地执行量子纠缠交换是可扩展量子通信的关键组成部分。 为解决线性光学中概率性贝尔态测量带来的挑战，这通常会导致信息丢失，已经提出了各种方法以确保分配单个ebit的容损性。 我们已将之前关于具有复杂连通性的中继图态的工作进行了推广，使得在有限速率下以高概率有效地建立可用的ebit成为可能。 我们证明了我们的新方案在灵活性方面显著优于之前的工作，并讨论了这种资源态的生成开销。 这些发现为容损量子网络的可扩展性和可靠性提供了新的见解。 显示英文摘要

摘要： All-photonic quantum repeaters are essential for establishing long-range quantum entanglement. Within repeater nodes, reliably performing entanglement swapping is a key component of scalable quantum communication. To tackle the challenge of probabilistic Bell state measurement in linear optics, which often leads to information loss, various approaches have been proposed to ensure the loss tolerance of distributing a single ebit. We have generalized previous work regarding repeater graph states with elaborate connectivity, enabling the efficient establishment of exploitable ebits at a finite rate with high probability. We demonstrate that our new scheme significantly outperforms the previous work with much flexibility and discuss the generation overhead of such resource states. These findings offer new insights into the scalability and reliability of loss-tolerant quantum networks.