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Updated: Jul 29, 2026

Quasi-light Storage for Optical Data Packets
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基于超明亮纠的量子密钥分布在404公里的光纤上

Shi-Chang Zhuang1,2,3, Bo Li1,2,3, Ming-Yang Zheng3,4

  • 1University of Science and Technology of China, Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, Hefei 230026, China.

Physical review letters
|June 27, 2025
PubMed
概括

研究人员开发了一种超明亮的极化纠光子源,用于量子通信. 这个源能够在404公里范围内实现高速,远距离的量子密钥分布,为大规模量子网络铺平了道路.

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Energy Stored In A Coaxial Cable01:31

Energy Stored In A Coaxial Cable

A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic field inside...