Distributed quantum phase estimation with entangled photons

no code implementations • 23 Feb 2021 • Li-Zheng Liu, Yu-Zhe Zhang, Zheng-Da Li, Rui Zhang, Xu-Fei Yin, Yue-Yang Fei, Li Li, Nai-Le Liu, Feihu Xu, Yu-Ao Chen, Jian-Wei Pan

Distributed quantum metrology can enhance the sensitivity for sensing spatially distributed parameters beyond the classical limits.

Quantum Physics

Demonstration of Topological Data Analysis on a Quantum Processor

no code implementations • 19 Jan 2018 • He-Liang Huang, Xi-Lin Wang, Peter P. Rohde, Yi-Han Luo, You-Wei Zhao, Chang Liu, Li Li, Nai-Le Liu, Chao-Yang Lu, Jian-Wei Pan

Topological data analysis offers a robust way to extract useful information from noisy, unstructured data by identifying its underlying structure.

Topological Data Analysis

Satellite-relayed intercontinental quantum network

no code implementations • 13 Jan 2018 • Sheng-Kai Liao, Wen-Qi Cai, Johannes Handsteiner, Bo Liu, Juan Yin, Liang Zhang, Dominik Rauch, Matthias Fink, Ji-Gang Ren, Wei-Yue Liu, Yang Li, Qi Shen, Yuan Cao, Feng-Zhi Li, Jian-Feng Wang, Yong-Mei Huang, Lei Deng, Tao Xi, Lu Ma, Tai Hu, Li Li, Nai-Le Liu, Franz Koidl, Peiyuan Wang, Yu-Ao Chen, Xiang-Bin Wang, Michael Steindorfer, Georg Kirchner, Chao-Yang Lu, Rong Shu, Rupert Ursin, Thomas Scheidl, Cheng-Zhi Peng, Jian-Yu Wang, Anton Zeilinger, Jian-Wei Pan

This was on the one hand the transmission of images in a one-time pad configuration from China to Austria as well as from Austria to China.

Quantum Physics