221 citations · 2.1k across the 53 of their papers we have counts for
48 papers · 1 filter
Long-lived quantum memories with rare-earth ions doped in crystals
Yu-Yu Sa, Pei-Xi Liu, Zong-Quan Zhou +1
Quantum memory is a core enabling device for large-scale quantum networks, serving as the fundamental building block for quantum repeaters and transportable quantum memories. Among…
Realization of Backward Retrieval in a Stark-modulated Spin-wave Quantum Memory
Zhenqi Xu, Mucheng Guo, Weiye Sun +5
We report the first experimental realization of backward retrieval in a spin-wave quantum memory based on a Stark-echo-modulated protocol in Eu3+:Y2SiO5. By using Stark control, we…
Heterogeneous entanglement between a trapped ion and a solid-state quantum memory
Chen-Xu Wang, Yi-Yang Wang, Tian-Xiang Zhu +11
Hybrid quantum networks offer a promising architecture for scalable quantum information processing and a future quantum internet, as they can combine the complementary strengths of…
Minute-Scale Photonic Quantum Memory
You-Cai Lv, Yu-Jia Zhu, Zong-Quan Zhou +2
Long-lived storage of single photons is a fundamental requirement for enabling quantum communication and foundational tests of quantum physics over extended distances. While the im…
Efficient integrated quantum memory for light
Ruo-Ran Meng, Pei-Xi Liu, Xiao Liu +10
Scalable implementation of quantum networks and photonic processors require integrated photonic memories with high efficiency, yet current integrated systems have been limited to s…
Random access and high dimensional integrated quantum memory
Zhong-Wen Ou, Tian-Xiang Zhu, Peng-Jun Liang +5
Random-access quantum memory (RAQM) is a fundamental building block for scalable quantum networks and photonic quantum computing. While existing realizations rely on gaseous physic…
Remote Quantum Networks based on Quantum Memories
Tian-Xiang Zhu, Xiao Liu, Zong-Quan Zhou +1
Quantum networks, capable of transmitting arbitrary quantum states, provide a foundation for a wide range of quantum applications, including distributed quantum computing, distribu…
A Metropolitan-scale Multiplexed Quantum Repeater with Bell Nonlocality
Tian-Xiang Zhu, Chao Zhang, Zhong-Wen Ou +7
Quantum repeaters can overcome exponential photon loss in optical fibers, enabling heralded entanglement between distant quantum memories. The definitive benchmark for this entangl…
Global-scale quantum networking using hybrid-channel quantum repeaters with relays based on a chain of balloons
Pei-Xi Liu, Yu-Ping Lin, Zong-Quan Zhou +2
Global-scale entanglement distribution has been a formidable challenge due to the unavoidable losses in communication channels. Here, we propose a novel backbone channel for quantu…
A millisecond integrated quantum memory for photonic qubits
Yu-Ping Liu, Zhong-Wen Ou, Tian-Xiang Zhu +6
Quantum memories for light are essential building blocks for quantum repeaters and quantum networks. Integrated operations of quantum memories could enable scalable application wit…
Counterfactual communication without a trace in the transmission channel
Wei-Wei Pan, Xiao Liu, Xiao-Ye Xu +10
We report an experimental realization of a modified counterfactual communication protocol that eliminates the dominant environmental trace left by photons passing through the trans…
Nonlocal photonic quantum gates over 7.0 km
Xiao Liu, Xiao-Min Hu, Tian-Xiang Zhu +8
Quantum networks provide a prospective paradigm to connect separated quantum nodes, which relies on the distribution of long-distance entanglement and active feedforward control of…
Stark tuning of telecom single-photon emitters based on a single Er
Jian-Yin Huang, Peng-Jun Liang, Liang Zheng +6
The implementation of scalable quantum networks requires photons at the telecom band and long-lived spin coherence. The single Er in solid-state hosts is an important candid…
Nonclassical photon-pair source based on noiseless photon echo
Duo-Lun Chen, Zong-Quan Zhou, Chuan-Feng Li +1
The Duan-Lukin-Cirac-Zoller (DLCZ) scheme is a potential method to establish remote entanglements and realize large-scale quantum networks. Here we propose a DLCZ-like scheme based…
A faithful solid-state spin-wave quantum memory for polarization qubits
Ming Jin, You-Zhi Ma, Zong-Quan Zhou +2
Polarization-encoded qubits are particularly useful in quantum information tasks due to the easy transportation in a single spatial and temporal mode, the accurate qubit manipulati…
On-demand Integrated Quantum Memory for Polarization Qubits
Tian-Xiang Zhu, Chao Liu, Ming Jin +7
Photonic polarization qubits are widely used in quantum computation and quantum communication due to the robustness in transmission and the easy qubit manipulation. An integrated q…
On-demand storage of photonic qubits at telecom wavelengths
Duan-Cheng Liu, Pei-Yun Li, Tian-Xiang Zhu +5
Quantum memories at telecom wavelengths are crucial for the construction of large-scale quantum networks based on existing fiber networks. On-demand storage of telecom photonic qub…
Elimination of Noise in Optically Rephased Photon Echoes
You-Zhi Ma, Ming Jin, Duo-Lun Chen +3
Photon echo is a fundamental tool for the manipulation of electromagnetic fields. Unavoidable spontaneous emission noise is generated in this process due to the strong rephasing pu…
Extending the spin coherence lifetimes of ErYSiO at subkelvin temperatures
Jian-Yin Huang, Pei-Yun Li, Zong-Quan Zhou +2
ErYSiO is a material of particular interest due to its suitability for telecom-band quantum memories and quantum transducers interfacing optical communication wit…
Improving the Precision of Optical Metrology by Detecting Fewer Photons
Peng Yin, Wen-Hao Zhang, Liang Xu +13
In optical metrological protocols to measure physical quantities, it is, in principle, always beneficial to increase photon number to improve measurement precision. However, practi…
Coherent dynamics of multi-spin centers in hexagonal boron nitride
W. Liu, V. Ivády, Z. -P. Li +18
Hexagonal boron nitride (hBN) has recently been demonstrated to contain optically polarized and detected electron spins that can be utilized for implementing qubits and quantum sen…
Heralded entanglement distribution between two absorptive quantum memories
Xiao Liu, Jun Hu, Zong-Feng Li +6
Owing to the inevitable loss in communication channels, the distance of entanglement distribution is limited to approximately 100 kilometres on the ground. Quantum repeaters can ci…
One-hour coherent optical storage in an atomic frequency comb memory
Yu Ma, You-Zhi Ma, Zong-Quan Zhou +2
Photon loss in optical fibers prevents long-distance distribution of quantum information on the ground. Quantum repeater is proposed to overcome this problem, but the communication…
Classical Communication Enhanced Quantum State Verification
Wen-Hao Zhang, Xiao Liu, Peng Yin +11
Quantum state verification provides an efficient approach to characterize the reliability of quantum devices for generating certain target states. The figure of merit of a specific…