USTC IonQNet Group

High optical access (HOA) trap

qng — Sat, 03 Oct 2026 00:00:00 +0800

A miniature blade trap in an all-glass cell, with high-NA optical access from four directions for precise addressing, imaging, readout and optical-tweezer control.

Optical-tweezer ion gates

qng — Sat, 03 Oct 2026 00:00:00 +0800

Tightly focused light opens new ways to address trapped ions, generate entangling gates and control their collective motion.

高通光离子阱（HOA trap）

qng — Sat, 03 Oct 2026 00:00:00 +0800

微型刀片阱置于全玻璃腔体中，支持四个方向的大数值孔径光学接口，为精确寻址、成像读出与光镊操控提供平台。

光镊离子门

qng — Sat, 03 Oct 2026 00:00:00 +0800

利用紧聚焦光场精确寻址离子、构造新型纠缠门，并通过光镊调控离子晶体的集体运动。

Yun-Feng Huang

qng — Wed, 01 Apr 2026 10:00:00 +0800

Profile

Yun-Feng Huang is a Researcher in the Department of Optics and Optical Engineering at the University of Science and Technology of China. His research interests include quantum communication, photonic quantum information processing, and trapped-ion quantum information processing.

Education

1998-2003, Ph.D. program, Department of Physics, University of Science and …

Chen-Xu Wang

qng — Tue, 31 Mar 2026 20:20:00 +0800

Education

2021.9-now, University of Science and Technology of China, Department of Optics and Optical Engineering, Doctor
2017.8-2021.6, Ocean University of China, Faculty of Information Science and Engineering, Bachelor

Research

Quantum information with trapped ions. Quantum simulation, quantum network, distributed quantum computation.

Quantum Interface Concept

qng — Sat, 28 Mar 2026 10:23:00 +0800

Connecting stationary matter qubits through optical quantum channels.

量子接口概念

qng — Sat, 28 Mar 2026 10:23:00 +0800

通过光学量子信道连接静止物质量子比特。

Hybrid Quantum Network

qng — Sat, 28 Mar 2026 10:21:00 +0800

Connecting trapped-ion processors and solid-state quantum memories through quantum frequency conversion.

混合量子网络

qng — Sat, 28 Mar 2026 10:21:00 +0800

通过量子频率转换连接离子阱处理器与固态量子存储器，构建跨物理体系的混合量子网络。

Cavity QED Interface

qng — Sat, 28 Mar 2026 10:20:00 +0800

From gold-coated fiber mirrors to needle-trap integration: building high-bandwidth, high-efficiency ion–photon interfaces.

腔 QED 接口

qng — Sat, 28 Mar 2026 10:20:00 +0800

从镀金光纤腔镜到针状离子阱集成，构建兼具高带宽与高效率的离子—光子量子接口。

"Transverse Polarization Gradient Entangling Gates for Trapped-Ion Quantum Computation" is published in Physical Review Letters

qng — Thu, 25 Dec 2025 10:00:00 +0800

Our work “Transverse Polarization Gradient Entangling Gates for Trapped-Ion Quantum Computation” has been published in Physical Review Letters as an Editors’ Suggestion on December 24, 2025.

We realized high-fidelity entangling gates for trapped ions based on the polarization gradient of tightly focused light. This scheme simplifies the current entangling gate …

横向偏振梯度离子纠缠门成果发表于 Physical Review Letters，并获编辑推荐

qng — Thu, 25 Dec 2025 10:00:00 +0800

利用紧聚焦光场的横向偏振梯度实现离子纠缠门，简化光路并兼容光镊架构。成果发表于 Physical Review Letters，获编辑推荐。

"A neural network assisted ¹⁷¹Yb⁺ quantum magnetometer" is published in npj Quantum Information

qng — Thu, 22 Dec 2022 10:00:00 +0800

Our work “A neural network assisted ¹⁷¹Yb⁺ quantum magnetometer” has been published in npj Quantum Information. We demonstrate the power of combining machine learning with quantum sensing by integrating neural networks into the data processing stage of a trapped-ion magnetometer, significantly extending its operational regime.

The Challenge

A versatile …

“神经网络辅助的 ¹⁷¹Yb⁺ 量子磁力计”发表于 npj Quantum Information

qng — Thu, 22 Dec 2022 10:00:00 +0800

将神经网络引入囚禁离子磁力计的数据处理，在散粒噪声与连续单次测量条件下提取射频场参数，成果发表于 npj Quantum Information。

"Super-resolved Imaging of a Single Cold Atom on a Nanosecond Timescale" is published in Physical Review Letters

qng — Fri, 24 Dec 2021 10:00:00 +0800

Our work “Super-resolved Imaging of a Single Cold Atom on a Nanosecond Timescale” has been published in Physical Review Letters. We demonstrate a groundbreaking method to image a single trapped ion with unprecedented spatial and temporal resolution, breaking through the optical diffraction limit.

Breaking the Diffraction Limit

High-resolution optical detection …

“单冷原子的纳秒尺度超分辨成像”发表于 Physical Review Letters

qng — Fri, 24 Dec 2021 10:00:00 +0800

将基态耗尽显微成像引入离子阱系统，实现单离子的二维超分辨成像与纳秒尺度频闪探测。成果发表于 Physical Review Letters。

"Riemann zeros from Floquet engineering a trapped-ion qubit" is published in npj Quantum Information

qng — Thu, 01 Jul 2021 10:00:00 +0800

Our work “Riemann zeros from Floquet engineering a trapped-ion qubit” was published in npj Quantum Information on July 14, 2021. This work bridges quantum physics and number theory by experimentally measuring the zeros of the Riemann zeta function using a trapped-ion quantum system.

Background

The Riemann Hypothesis, proposed by Bernhard …

利用离子量子比特的 Floquet 工程测量黎曼零点，成果发表于 npj Quantum Information

qng — Thu, 01 Jul 2021 10:00:00 +0800

通过周期驱动囚禁离子量子比特，利用 Floquet 动力学测量黎曼零点，连接量子物理与数论。成果发表于 npj Quantum Information。

"Quantum thermodynamics in adiabatic open systems and its trapped-ion experimental realization" is published in npj Quantum Information

qng — Fri, 18 Sep 2020 10:00:00 +0800

Our work “Quantum thermodynamics in adiabatic open systems and its trapped-ion experimental realization” has been published in npj Quantum Information. In collaboration with our Brazilian colleagues, we established general formulas for quantum thermodynamics in adiabatic open systems, bridging quantum adiabatic processes and thermodynamic adiabatic processes, and verified our theory experimentally …

绝热开放系统量子热力学的离子阱实验发表于 npj Quantum Information

qng — Fri, 18 Sep 2020 10:00:00 +0800

建立绝热开放系统中热、功、内能与熵的一般公式，利用离子阱实验研究量子绝热过程与热力学绝热过程的关系。成果发表于 npj Quantum Information。

"Experimentally testing quantum critical dynamics beyond the Kibble-Zurek mechanism" is published in Communications Physics

qng — Fri, 14 Feb 2020 10:00:00 +0800

Our work “Experimentally testing quantum critical dynamics beyond the Kibble-Zurek mechanism” has been published in Communications Physics (Nature). Building on our earlier Kibble-Zurek experiment, we go beyond the standard KZM to probe the full probability distribution of topological defects formed during a quantum phase transition.

Beyond the Mean: Full Counting …

超越 Kibble–Zurek 机制的量子临界动力学实验发表于 Communications Physics

qng — Fri, 14 Feb 2020 10:00:00 +0800

利用单个囚禁离子重建量子相变中拓扑缺陷的完整概率分布，检验超越平均缺陷数量的普适临界动力学。成果发表于 Communications Physics。

"Experimental demonstration of suppressing residual geometric dephasing" is published in Science Bulletin

qng — Fri, 20 Sep 2019 10:00:00 +0800

Our work “Experimental demonstration of suppressing residual geometric dephasing” has been published in Science Bulletin. We experimentally demonstrate effective suppression of residual geometric dephasing — a key obstacle for high-fidelity geometric quantum gates — using modified dynamical decoupling schemes on a single trapped ¹⁷¹Yb⁺ ion.

The Problem: Residual Geometric Dephasing

The …

抑制残余几何退相干的实验成果发表于 Science Bulletin

qng — Fri, 20 Sep 2019 10:00:00 +0800

在单个囚禁离子上验证改进的动力学解耦序列，抑制传统自旋回波与 CPMG 序列中的残余几何退相干。成果发表于 Science Bulletin。

Mingzhong Ai

qng — Wed, 09 May 2018 00:00:00 +0800

Personal data

Address: Key Laboratory of Quantum Information, CAS, USTC, Jinzhai Road #96, Hefei, Anhui, P. R. China, 230026
Phone: (+86) 18214880012
E-mail: amz@mail.ustc.edu.cn

Education

Ph.D. (enrolled September 2016), Key Lab of Quantum Information, Department of Optics and Optical Engineering, University of Science and Technology …

"An Ultraviolet Fiber Fabry–Pérot Cavity for Florescence Collection of Trapped Ions" is published

qng — Sun, 22 Jan 2017 10:20:00 +0800

Our work “An Ultraviolet Fiber Fabry–Pérot Cavity for Florescence Collection of Trapped Ions” has been published in Chinese Physics Letters. We demonstrate a fiber Fabry–Pérot cavity (FFPC) operating in the ultraviolet range at 369 nm, specifically designed for enhancing fluorescence collection from trapped ¹⁷¹Yb⁺ ions — a key …

用于囚禁离子荧光收集的紫外光纤微腔成果发表于 Chinese Physics Letters

qng — Sun, 22 Jan 2017 10:20:00 +0800

研制工作在 369 nm 紫外波段的光纤 Fabry–Pérot 微腔，用于增强镱离子的荧光收集，为远程量子连接提供器件基础。成果发表于 Chinese Physics Letters。

"Experimental Trapped-ion Quantum Simulation of the Kibble-Zurek dynamics in momentum space" is published

qng — Thu, 22 Sep 2016 10:20:00 +0800

Our work Experimental Trapped-ion Quantum Simulation of the Kibble-Zurek dynamics in momentum space was published in Scientific Reports. This was our group’s first trapped-ion experiment, following the development of the platform that began in 2013. We thank our collaborators Le Luo and Adolfo del Campo for their contributions to …

“动量空间中 Kibble–Zurek 动力学的离子阱量子模拟实验”发表

qng — Thu, 22 Sep 2016 10:20:00 +0800

研究组首项离子阱实验成果发表于 Scientific Reports：在动量空间模拟量子 Ising 链，实验检验量子区域的 Kibble–Zurek 标度规律。

Ran He

qng — Wed, 21 Sep 2016 10:20:00 +0800

PhD alumnus
office:316
email:heran@mail.ustc.edu.cn

Introduction:

I received my bachelor’s degree from Dalian University of Technology (DUT). During a summer visit to USTC, I became interested in trapping single ions and manipulating their quantum states with lasers, and subsequently joined the ion-trap group as …

Chang-Kang Hu

qng — Mon, 19 Sep 2016 10:20:00 +0800

Jin-Ming Cui

qng — Mon, 19 Sep 2016 10:20:00 +0800

Personal Information

Education

2008.9-2013.6, University of Science and Technology of China, Department of Optics and Optical Engineering, Doctor
2004.8-2008.6, University of Science and Technology of China, Department of Physics, Bachelor

Research

Quantum information with trapped ions. Quantum simulation, cavity QED, quantum network, distributed quantum computation.

Wei-Min Lv

qng — Mon, 19 Sep 2016 10:20:00 +0800

Education

2013.9-2016.6, University of Science and Technology of China, Department of Optics and Optical Engineering, PhD
2009.8-2013.6, Hefei University of Technology, School of Instrument Science and Opto-electronic Engineering, Bachelor

Contact

Tel: +86 13866664268
Email: weimin@mail.ustc.edu.cn
Address: Key Laboratory of Quantum Information, CAS …