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High-efficiency single-photon source above the loss-tolerant threshold for efficient linear optical quantum computing
Xing Ding, Yong-Peng Guo, Mo-Chi Xu +13
Photon loss is the biggest enemy for scalable photonic quantum information processing. This problem can be tackled by using quantum error correction, provided that the overall phot…
Heralded three-photon entanglement from a single-photon source on a photonic chip
Si Chen, Li-Chao Peng, Yong-Peng Guo +12
In the quest to build general-purpose photonic quantum computers, fusion-based quantum computation has risen to prominence as a promising strategy. This model allows a ballistic co…
Gaussian Boson Sampling with Pseudo-Photon-Number Resolving Detectors and Quantum Computational Advantage
Yu-Hao Deng, Yi-Chao Gu, Hua-Liang Liu +26
We report new Gaussian boson sampling experiments with pseudo-photon-number-resolving detection, which register up to 255 photon-click events. We consider partial photon distinguis…
Noisy intermediate-scale quantum computers
Bin Cheng, Xiu-Hao Deng, Xiu Gu +18
Quantum computers have made extraordinary progress over the past decade, and significant milestones have been achieved along the path of pursuing universal fault-tolerant quantum c…
Unconditional and robust quantum metrological advantage beyond NOON states
Jian Qin, Yu-Hao Deng, Han-Sen Zhong +13
Quantum metrology employs quantum resources to enhance the measurement sensitivity beyond that can be achieved classically. While multi-photon entangled NOON states can in principl…
Solving Graph Problems Using Gaussian Boson Sampling
Yu-Hao Deng, Si-Qiu Gong, Yi-Chao Gu +21
Gaussian boson sampling (GBS) is not only a feasible protocol for demonstrating quantum computational advantage, but also mathematically associated with certain graph-related and q…