2.3k citations · 6.5k across the 50 of their papers we have counts for
33 papers · 1 filter
Photon-number-resolving single-photon detector with a system detection efficiency of 98% and photon-number resolution of 32
Chaomeng Ding, Xingyu Zhang, Jiamin Xiong +8
Efficiently distinguishing photon numbers is a crucial yet challenging technology for various quantum information and quantum metrology applications. While superconducting transiti…
High-rate quantum key distribution exceeding 110 Mb/s
Wei Li, Likang Zhang, Hao Tan +14
Quantum key distribution (QKD) can provide fundamentally proven security for secure communication. Toward application, the secret key rate (SKR) is a key figure of merit for any QK…
Twin-field quantum key distribution without phase locking
Wei Li, Likang Zhang, Yichen Lu +11
Twin-field quantum key distribution (TF-QKD) has emerged as a promising solution for practical quantum communication over long-haul fiber. However, previous demonstrations on TF-QK…
Experimental Side-Channel-Free Quantum Key Distribution
Chi Zhang, Xiao-Long Hu, Jiu-Peng Chen +9
Quantum key distribution can provide unconditionally secure key exchange for remote users in theory. In practice, however, in most quantum key distribution systems, quantum hackers…
High-performance quantum entanglement generation via cascaded second-order nonlinear processes
Zichang Zhang, Chenzhi Yuan, Si Shen +12
In this paper, we demonstrate the generation of high-performance entangled photon-pairs in different degrees of freedom from a single piece of fiber pigtailed periodically poled Li…
Twin-Field Quantum Key Distribution over 511 km Optical Fiber Linking two Distant Metropolitans
Jiu-Peng Chen, Chi Zhang, Yang Liu +16
The basic principle of quantum mechanics guarantee the unconditional security of quantum key distribution (QKD) at the cost of inability of amplification of quantum state. As a res…
Field Test of Twin-Field Quantum Key Distribution through Sending-or-Not-Sending over 428 km
Hui Liu, Cong Jiang, Hao-Tao Zhu +18
Quantum key distribution endows people with information-theoretical security in communications. Twin-field quantum key distribution (TF-QKD) has attracted considerable attention be…
Quantum computational advantage using photons
Han-Sen Zhong, Hui Wang, Yu-Hao Deng +21
Gaussian boson sampling exploits squeezed states to provide a highly efficient way to demonstrate quantum computational advantage. We perform experiments with 50 input single-mode…
Fully connected entanglement-based quantum communication network without trusted node
Xu Liu, Rong Xue, Heqing Wang +8
Quantum communication is developed owing to the theoretically proven security of quantum mechanics, which may become the main technique in future information security. However, mos…
Effect of dispersion on indistinguishability between single-photon wave-packets
Yun-Ru Fan, Chen-Zhi Yuan, Rui-Ming Zhang +11
With propagating through a dispersive medium, the temporal-spectral profile of laser pulses should be inevitably modified. Although such dispersion effect has been well studied in…
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…
High-speed measurement-device-independent quantum key distribution with integrated silicon photonics
Kejin Wei, Wei Li, Hao Tan +12
Measurement-device-independent quantum key distribution (MDI-QKD) removes all detector side channels and enables secure QKD with an untrusted relay. It is suitable for building a s…
Dispersion independent long-haul photon counting OTDR
Bin Li, Ruiming Zhang, Yong Wang +11
Photon counting optical time-domain reflectometry (PC-OTDR) based on the single photon detection is an effective scheme to attain the high spatial resolution for optical fiber faul…
Sending-or-Not-Sending with Independent Lasers: Secure Twin-Field Quantum Key Distribution Over 509 km
Jiu-Peng Chen, Chi Zhang, Yang Liu +15
Twin field quantum key distribution promises high key rates at long distance to beat the rate distance limit. Here, applying the sending or not sending TF QKD protocol, we experime…
An entanglement-based quantum network based on symmetric dispersive optics quantum key distribution
Xu Liu, Xin Yao, Rong Xue +9
Quantum key distribution (QKD) is a crucial technology for information security in the future. Developing simple and efficient ways to establish QKD among multiple users are import…
Nonlocality test of energy-time entanglement via nonlocal dispersion cancellation with nonlocal detection
Baihong Li, Feiyan Hou, Runai Quan +6
Energy-time entangled biphoton source plays a great role in quantum communication, quantum metrology and quantum cryptography due to its strong temporal correlation and capability…
Experimental Gaussian Boson Sampling
Han-Sen Zhong, Li-Chao Peng, Yuan Li +15
Gaussian Boson sampling (GBS) provides a highly efficient approach to make use of squeezed states from parametric down-conversion to solve a classically hard-to-solve sampling prob…
Remote blind state preparation with weak coherent pulses in the field
Yang-Fan Jiang, Kejin Wei, Liang Huang +11
Quantum computing has seen tremendous progress in the past years. Due to the implementation complexity and cost, the future path of quantum computation is strongly believed to dele…
Experimental Twin-Field Quantum Key Distribution Through Sending-or-Not-Sending
Yang Liu, Zong-Wen Yu, Weijun Zhang +13
Channel loss seems to be the most severe limitation on the practical application of long distance quantum key distribution. The idea of twin-field quantum key distribution can impr…
Energy-Time Entanglement-based Dispersive Optics Quantum Key Distribution over Optical Fibers of 20 km
Xu Liu, Xin Yao, Heqing Wang +5
An energy-time entanglement-based dispersive optics quantum key distribution (DO-QKD) is demonstrated experimentally over optical fibers of 20 km. In the experiment, the telecom ba…
Multi-bit quantum digital signature based on quantum temporal ghost imaging
Xin Yao, Xu Liu, Rong Xue +6
Digital signature scheme is commonly employed in modern electronic commerce and quantum digital signature (QDS) offers the information-theoretical security by the laws of quantum m…
Fiber-Optic quantum two-way time transfer with frequency entangled pulses
Feiyan Hou, Runai Quan, Ruifang Dong +8
High-precision time transfer is of fundamental interest in physics and metrology. Quantum time transfer technologies that use frequency-entangled pulses and their coincidence detec…
12-photon entanglement and scalable scattershot boson sampling with optimal entangled-photon pairs from parametric down-conversion
Han-Sen Zhong, Yuan Li, Wei Li +17
Entangled photon sources with simultaneously near-unity heralding efficiency and indistinguishability are the fundamental elements for scalable photonic quantum technologies. We de…
Testing Local Realism into the Past without Detection and Locality Loopholes
Ming-Han Li, Cheng Wu, Yanbao Zhang +16
Inspired by the recent remarkable progress in the experimental test of local realism, we report here such a test that achieves an efficiency greater than (78%)^2 for entangled phot…