1.8k citations · 5k across the 20 of their papers we have counts for
20 papers
Microsatellite-based real-time quantum key distribution
Yang Li, Wen-Qi Cai, Ji-Gang Ren +38
A quantum network provides an infrastructure connecting quantum devices with revolutionary computing, sensing, and communication capabilities. As the best-known application of a qu…
Portable ground stations for space-to-ground quantum key distribution
Ji-Gang Ren, Maimaiti Abulizi, Hai-Lin Yong +23
Quantum key distribution (QKD) uses the fundamental principles of quantum mechanics to share unconditionally secure keys between distant users. Previous works based on the quantum…
113 km Free-Space Time-Frequency Dissemination at the 19th Decimal Instability
Qi Shen, Jian-Yu Guan, Ji-Gang Ren +28
Optical clock networks play important roles in various fields, such as precise navigation, redefinition of "second" unit, and gravitational tests. To establish a global-scale optic…
Implementation of a 46-node quantum metropolitan area network
Teng-Yun Chen, Xiao Jiang, Shi-Biao Tang +22
Quantum key distribution (QKD) enables secure key exchanges between two remote users. The ultimate goal of secure communication is to establish a global quantum network. The existi…
Single-mode fiber coupling with a M-SPGD algorithm for long-range quantum communications
Kui-Xing Yang, Maimaiti Abulizi, Yu-Huai Li +7
Satellite-based quantum communication is a promising approach for realizing global-scale quantum networks. For free-space quantum channel, single-mode fiber coupling is particularl…
Experimental quantum key distribution secure against malicious devices
Wei Li, Victor Zapatero, Hao Tan +9
The fabrication of quantum key distribution (QKD) systems typically involves several parties, thus providing Eve with multiple opportunities to meddle with the devices. As a conseq…
Long-distance free-space measurement-device-independent quantum key distribution
Yuan Cao, Yu-Huai Li, Kui-Xing Yang +20
Measurement-device-independent quantum key distribution (MDI-QKD), based on two-photon interference, is immune to all attacks against the detection system and allows a QKD network…
Towards satellite-based quantum-secure time transfer
Hui Dai, Qi Shen, Chao-Ze Wang +11
High-precision time synchronization for remote clocks plays an important role in fundamental science and real-life applications. However, the current time synchronization technique…
Design and Implementation of High-throughput PCIe with DMA Architecture between FPGA and PowerPC
Kun Cheng, Weiyue Liu, Qi Shen +1
We designed and implemented a direct memory access (DMA) architecture of PCI-Express(PCIe) between Xilinx Field Program Gate Array(FPGA) and Freescale PowerPC. The DMA architecture…
Control and Readout Software in Superconducting Quantum Computing
Cheng Guo, FuTian Liang, Jin Lin +5
Digital-to-analog converter (DAC) and analog-to-digital converter (ADC) as an important part of the superconducting quantum computer are used to control and readout the qubit state…
Satellite-relayed intercontinental quantum network
Sheng-Kai Liao, Wen-Qi Cai, Johannes Handsteiner +33
We perform decoy-state quantum key distribution between a low-Earth-orbit satellite and multiple ground stations located in Xinglong, Nanshan, and Graz, which establish satellite-t…
Satellite-Based Entanglement Distribution Over 1200 kilometers
Juan Yin, Yuan Cao, Yu-Huai Li +31
Long-distance entanglement distribution is essential both for foundational tests of quantum physics and scalable quantum networks. Owing to channel loss, however, the previously ac…
Ground-to-satellite quantum teleportation
Ji-Gang Ren, Ping Xu, Hai-Lin Yong +29
An arbitrary unknown quantum state cannot be precisely measured or perfectly replicated. However, quantum teleportation allows faithful transfer of unknown quantum states from one…
Satellite-to-ground quantum key distribution
Sheng-Kai Liao, Wen-Qi Cai, Wei-Yue Liu +31
Quantum key distribution (QKD) uses individual light quanta in quantum superposition states to guarantee unconditional communication security between distant parties. In practice,…
Ground test of satellite constellation based quantum communication
Sheng-Kai Liao, Hai-Lin Yong, Chang Liu +22
Satellite based quantum communication has been proven as a feasible way to achieve global scale quantum communication network. Very recently, a low-Earth-orbit (LEO) satellite has…
A Compact PCI-based Measurement and Control System for Satellite-Ground Quantum Communication
Binxiang Qi, Shubin Liu, Qi Shen +6
Since the 1990s, there has been a dramatic interest in quantum communication. Free-space quantum communication is being developed to ultra-long distance quantum experiment, which r…
A Multi-chain Measurements Averaging TDC Implemented in a 40 nm FPGA
Qi Shen, Shubin Liu, Binxiang Qi +4
A high precision and high resolution time-to-digital converter (TDC) implemented in a 40 nm fabrication process Virtex-6 FPGA is presented in this paper. The multi-chain measuremen…
Direct and full-scale experimental verifications towards ground-satellite quantum key distribution
Jian-Yu Wang, Bin Yang, Sheng-Kai Liao +21
Quantum key distribution (QKD), provides the only intrinsically unconditional secure method for communication based on principle of quantum mechanics. Compared with fiber-based dem…
Metropolitan all-pass and inter-city quantum communication network
Teng-Yun Chen, Jian Wang, Hao Liang +14
We have demonstrated a metropolitan all-pass quantum communication network in field fiber for four nodes. Any two nodes of them can be connected in the network to perform quantum k…
Field test of a practical secure communication network with decoy-state quantum cryptography
Teng-Yun Chen, Hao Liang, Yang Liu +9
We present a secure network communication system that operated with decoy-state quantum cryptography in a real-world application scenario. The full key exchange and application pro…