# Achieving 500-GHz communication over 1.2 km using an astronomical telescope with a quantum-limited superconducting receiver **Authors:** Wei Miao, Jing Li, Xianjin Deng, Jiaqiang Zhong, Yuan Ren, Daizhong Liu, Junda Jin, Binggang Ju, Yuxuan Miao, Yue He, Weijie Xu, Zhenhui Lin, Yilong Zhang, Qijun Yao, Juan Liu, Changxing Lin, Wen Zhang, Wenying Duan, Dong Liu, Kangmin Zhou, Jie Liu, Zheng Wang, Jinpeng Li, Feng Wu, Boliang Liu, Jixian Sun, Xuguo Zhang, Jibin Li, Haillong Zhang, Liang Guo, Kang Han, Zhenyu Lu, Huiqian Hao, Yuchao Dou, Zhicai Wu, Jia Quan, Yanjie Liu, Miguang Zhao, Weijie Du, Chenggang Shu, Ruiqing Mao, Shengcai Shi PMC · DOI: 10.1093/nsr/nwaf222 · National Science Review · 2025-06-05 ## TL;DR Researchers transmitted video at 500 GHz over 1.2 km using a telescope with a superconducting receiver. ## Contribution Demonstrated 500-GHz communication over 1.2 km using a quantum-limited superconducting SIS receiver. ## Key findings - 500-GHz video transmission was successfully achieved over a 1.2-km distance. - The quantum-limited superconducting SIS receiver enabled high-performance communication. - The setup used an astronomical telescope for long-distance transmission. ## Abstract 500 GHz video transmission over 1.2 km is achieved using an astronomical telescope equipped with a quantum-limited superconducting SIS receiver. ## Full-text entities - **Diseases:** HD (MESH:D008228) - **Chemicals:** water (MESH:D014867) ## Full text _Full body text omitted from this summary view._ Fetch the complete paper as Markdown: https://tomesphere.com/paper/PMC12239196/full.md ## Figures 1 figure with captions in the complete paper: https://tomesphere.com/paper/PMC12239196/full.md ## References 10 references — full list in the complete paper: https://tomesphere.com/paper/PMC12239196/full.md --- Source: https://tomesphere.com/paper/PMC12239196