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Updated: Jul 9, 2026

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用于大都市规模量子网络的模式锁定激光器的图秒同步

Cory Nunn, Nijil Lal, Ivan Burenkov

    Optics express
    |July 30, 2025
    PubMed
    概括

    两个Ti:蓝宝石激光器使用白精确时间协议在120公里的光纤上同步到皮秒级. 这使得量子网络的远程,不可分辨的光子源成为可能.

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    Electronic Distance Measuring Instruments01:30

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    Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...