activity
20192023
most citedBeating the break-even point with a discrete-variable-encoded logical qubit

185 citations · 696 across the 18 of their papers we have counts for

collaborators

18 papers

quant-ph2023★ 9 cited

Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses

Sai Li, Zhongchu Ni, Libo Zhang +8

Fock states with a well-defined number of photons in an oscillator have shown a wide range of applications in quantum information science. Nonetheless, their usefulness has been ma…

quant-ph2023★ 5 cited

Scalable protocol to mitigate crosstalk in universal quantum gates

Yan Liang, Ming-Jie Liang, Sai Li +2

High-fidelity universal quantum gates are widely acknowledged as essential for scalable quantum computation. However, in solid-state quantum systems, which hold promise as physical…

quant-ph2023★ 64 cited

Quantum-enhanced metrology with large Fock states

Xiaowei Deng, Sai Li, Zi-Jie Chen +11

Quantum metrology uses non-classical states, such as Fock states with a specific number of photons, to achieve an advantage over classical sensing methods. Typically, quantum metro…

quant-ph2022★ 185 cited

Beating the break-even point with a discrete-variable-encoded logical qubit

Zhongchu Ni, Sai Li, Xiaowei Deng +12

Quantum error correction (QEC) aims to protect logical qubits from noises by utilizing the redundancy of a large Hilbert space, where an error, once it occurs, can be detected and…

quant-ph2022★ 8 cited

Fast quantum state transfer and entanglement for cavity-coupled many qubits via dark pathways

Yi-Xuan Wu, Zi-Yan Guan, Sai Li +1

Quantum state transfer (QST) and entangled state generation (ESG) are important building blocks for modern quantum information processing. To achieve these tasks, convention wisdom…

quant-ph2021★ 61 cited

Scalable algorithm simplification using quantum AND logic

Ji Chu, Xiaoyu He, Yuxuan Zhou +29

Implementing quantum algorithms on realistic hardware requires translating high-level global operations into sequences of native elementary gates, a process known as quantum compil…

quant-ph2021★ 47 cited

Scalable Method for Eliminating Residual Interaction between Superconducting Qubits

Zhongchu Ni, Sai Li, Libo Zhang +11

Unwanted interaction is a quantum-mechanical crosstalk phenomenon which correlates qubit dynamics and is ubiquitous in superconducting qubit systems. It adversely affects the…

quant-ph2021★ 29 cited

Superrobust Geometric Control of a Superconducting Circuit

Sai Li, Bao-Jie Liu, Zhongchu Ni +9

Geometric phases accompanying adiabatic quantum evolutions can be used to construct robust quantum control for quantum information processing due to their noise-resilient feature.…

quant-ph2021★ 10 cited

Noncyclic nonadiabatic holonomic quantum gates via shortcuts to adiabaticity

Sai Li, Pu Shen, Tao Chen +1

High-fidelity quantum gates are essential for large-scale quantum computation. However, any quantum manipulation will inevitably affected by noises, systematic errors and decoheren…

quant-ph2021★ 20 cited

Nonadiabatic geometric quantum gates that are insensitive to qubit-frequency drifts

Jian Zhou, Sai Li, Guo-Zhu Pan +3

Quantum manipulation based on geometric phases provides a promising way towards robust quantum gates. However, in the current implementation of nonadiabatic geometric phases, opera…

quant-ph2021★ 18 cited

High-fidelity geometric quantum gates with short paths on superconducting circuits

Sai Li, Jing Xue, Tao Chen +1

Geometric phases are robust against certain types of local noises, and thus provide a promising way towards high-fidelity quantum gates. However, comparing with the dynamical ones,…

quant-ph2021★ 27 cited

Experimental Realization of Nonadiabatic Holonomic Single-Qubit Quantum Gates with Two Dark Paths in a Trapped Ion

Ming-Zhong Ai, Sai Li, Ran He +5

For circuit-based quantum computation, experimental implementation of universal set of quantum logic gates with high-fidelity and strong robustness is essential and central. Quantu…

quant-ph2020★ 30 cited

Dynamically Corrected Nonadiabatic Holonomic Quantum Gates

Sai Li, Zheng-Yuan Xue

The key for realizing fault-tolerant quantum computation lies in maintaining the coherence of all qubits so that high-fidelity and robust quantum manipulations on them can be achie…

quant-ph2020★ 62 cited

Experimental Realization of Nonadiabatic Holonomic Single-Qubit Quantum Gates\\ with Optimal Control in a Trapped Ion

Ming-Zhong Ai, Sai Li, Zhibo Hou +7

Quantum computation with quantum gates induced by geometric phases is regarded as a promising strategy in fault tolerant quantum computation, due to its robustness against operatio…

quant-ph2020★ 28 cited

Nonadiabatic geometric quantum computation with optimal control on superconducting circuits

Jing Xu, Sai Li, Tao Chen +1

Quantum gates, which are the essential building blocks of quantum computers, are very fragile. Thus, to realize robust quantum gates with high fidelity is the ultimate goal of quan…

quant-ph2020★ 2 cited

Interaction induced non-reciprocal three-level quantum transport

Sai Li, Tao Chen, Jia Liu +1

Besides its fundamental importance, non-reciprocity has also found many potential applications in quantum technology. Recently, many quantum systems have been proposed to realize n…

quant-ph2020★ 42 cited

High-fidelity geometric gate for silicon-based spin qubits

Chengxian Zhang, Tao Chen, Sai Li +2

High-fidelity manipulation is the key for the physical realization of fault-tolerant quantum computation. Here, we present a protocol to realize universal nonadiabatic geometric ga…

quant-ph2019★ 49 cited

Fast holonomic quantum computation on superconducting circuits with optimal control

Sai Li, Tao Chen, Zheng-Yuan Xue

Geometric phases induced in quantum evolutions have built-in noise-resilient characters, and thus can find applications in many robust quantum manipulation tasks. Here, we propose…