08/28/2024, 01:22 PM UTC
无GPS环境下的导航：硅光子学在量子传感技术中的应用Navigating without GPS
➀ 美国桑迪亚国家实验室的研究人员利用硅光子学进行原子干涉测量，这是一种高精度的量子传感技术，可以测量加速度，有望在没有GPS的情况下实现导航。➁ 该团队在缩小原子干涉仪的尺寸、重量和功耗方面取得了显著进展，并提高了激光系统中调制器的性能。➂ 硅光子学的进步可能导致量子惯性测量单元的成本效益大规模生产，为导航、地下资源探测和其他领域开辟新的应用。➀ Researchers at Sandia National Laboratories have utilized silicon photonics for atom interferometry, a quantum sensing technique that measures acceleration with high precision, potentially enabling a quantum compass for navigation without GPS. ➁ The team has made significant strides in miniaturizing the atom interferometer, reducing its size, weight, and power requirements, and improving the performance of the modulators used in the laser system. ➂ The advancements in silicon photonics could lead to cost-effective mass production of quantum inertial measurement units, opening up new applications in navigation, underground resource detection, and other fields.
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