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Entanglement-Enhanced Communication Networks

机译:纠缠增强通信网络

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Building quantum networks ultimately requires strong use cases. As today's design and use of the Internet solely rests on the interconnection of classical computing devices, the development of hardware should take this dependence on an existing market into account. One might think quantum secure communication would be such a use case, but the entire design of the current Internet is built on the end-to-end argument and may reject the idea of implementing security as a physical layer protocol. On the other hand, higher data rates and reduced latency have been successfully used as key arguments for the conception of new communication standards. We thus argue that exactly these two figures of merit should be used again. We define two new initial stages of development of the quantum Internet, where in the first phase entanglement is only generated and used between network nodes, and in second phase entanglement swapping and thus distribution of entanglement over increasing distances becomes possible. In both phases, we show by simulation how the available new protocols increase the network capacity. Interestingly, following this envisioned approach can serve the needs of current market participants while paving the road for fully quantum applications in the future.
机译:建立量子网络最终需要强大的用例。由于当今Internet的设计和使用完全取决于经典计算设备的互连,因此硬件的开发应考虑到对现有市场的依赖。有人可能会认为量子安全通信就是这样一种用例,但是当前Internet的整个设计都基于端到端的论点,并且可能会拒绝将安全性实现为物理层协议的想法。另一方面,更高的数据速率和减少的等待时间已成功用作新通信标准概念的关键论据。因此,我们认为恰好应该再次使用这两个品质因数。我们定义了量子互联网发展的两个新的初始阶段,在第一阶段,纠缠仅在网络节点之间生成和使用,而在第二阶段,纠缠交换和因此纠缠在越来越远的距离上的分布成为可能。在两个阶段中,我们通过仿真展示了可用的新协议如何增加网络容量。有趣的是,遵循这种设想的方法可以满足当前市场参与者的需求,同时为将来的全量子应用铺平道路。

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