6 papers
Correlation Functions and Photon-Photon Interactions Controlled by a Giant Atom
Yanjin Yue, Rui-Yang Gong, Shengyong Li +1
Waveguide quantum electrodynamics (WQED) provides a powerful platform for exploring quantum optical phenomena by enhancing atom-photon interactions through photon confinement in a…
Extrapolative Quantum Error Mitigation in Continuous-Variable Systems beyond the Training Horizon
Jingpeng Zhang, Shengyong Li, Jie Han +3
Continuous-variable (CV) quantum systems provide a versatile platform for quantum information processing, in which quantum states can be represented in the quadrature phase space.…
Estimating the performance boundary of Gottesman-Kitaev-Preskill codes and number-phase codes
Kai-Xuan Wen, Dong-Long Hu, Shengyong Li +1
Bosonic quantum error-correcting codes encode logical information in a harmonic oscillator, with the Gottesman-Kitaev-Preskill (GKP) and number-phase (NP) codes representing two fu…
On-Demand Microwave Single-Photon Source Based on Tantalum Thin Film
Ying Hu, Sheng-Yong Li, En-Qi Chen +4
Single-photon sources are crucial for quantum information technologies. Here, we demonstrate a microwave single-photon source fabricated using a tantalum-based thin film, whose fav…
Efficient Convex Optimization for Bosonic State Tomography
Shengyong Li, Yanjin Yue, Ying Hu +7
Quantum states encoded in electromagnetic fields, also known as bosonic states, have been widely applied in quantum sensing, quantum communication, and quantum error correction. Ac…
Robust Quantum Control using Reinforcement Learning from Demonstration
Shengyong Li, Yidian Fan, Xiang Li +6
Quantum control requires high-precision and robust control pulses to ensure optimal system performance. However, control sequences generated with a system model may suffer from mod…