- Ze Zhang
- Shimin Zhang
- Xiuzhu Zhao
- Zidong Lin
- Chudan Qiu

## About the lab

Spin Quantum Computing Lab, led by Associate Professor Dawei Lu at the Southern University of Science and Technology (SUSTech), is at the forefront of advancing the field of quantum computing. Since its establishment in August 2017, our lab has been dedicated to realizing physical quantum computers using spins, specifically focusing on nuclear magnetic resonance (NMR) and nitrogen-vacancy (NV) centers in diamond. Our research encompasses a diverse array of quantum technologies, including quantum control, quantum simulation, quantum machine learning, quantum metrology, and quantum thermodynamics. By exploring these cutting-edge topics, we aim to unlock the full potential of quantum computing and revolutionize various fields of science and technology.

## About Prof. Dawei Lu (鲁大为)

Dr. Dawei Lu is a tenured Associate Professor and Principal Investigator of the Spin Quantum Computing Lab in Department of Physics at SUSTech. Born in Tengzhou, Shandong Province in 1988, he spent 14 years immersed in the town’s rich environment. In 2003, he entered University of Science and Technology of China, where he earned the B.Sc. (2007) and Ph.D. (2012) degrees under the guidance of Prof. Jiangfeng Du. In 2012, he ventured to the Institute for Quantum Computing at the University of Waterloo, where he commenced his postdoctoral career under the mentorship of Prof. Raymond Laflamme.

In August 2017, Dr. Lu joined SUSTech as an Assistant Professor and was promoted to Associate Professor in May 2019. Dr. Lu’s research interests are primarily focused on experimental quantum computing utilizing spins. Notably, he holds the world record for controlling the largest number of qubits (12) using the NMR technology. He has published over 50 peer-reviewed papers, and has disseminated the research findings in more than 20 invited talks and lectures. He serves as an editorial board member for Frontiers of Physics, Chinese Physics Letters, Chineses Physics B, and Acta Physics Sinica.

Beyond academia, Dr. Lu finds solace in leisurely pursuits. During his spare time, he indulges in playing video games and delving into the captivating world of detective novels.

## PEOPLE

## Principal Investigator

## Dawei Lu

## Associate Professor

**Research Interests:**

1. Quantum information processing in nuclear and electron spin magnetic resonance systems.

2. Development of spin control techniques to achieve high-fidelity coherent control.

3. Benchmarks in large-scale systems.

4. Quantum simulation towards large-scale quantum systems.

5. Experimental realization of adiabatic quantum computing model.

6. Quantum state tomography and process tomography.

Email: [email protected]

## RAP and Postdocs

## Xinfang Nie

## Research Assistant Professor

Email: [email protected]

## Graduate Students

## Yu Tian

## Ph.D. Student

Email: [email protected]

## Xinyue Long

## Ph.D. Student

Email: [email protected]

## Hanyu Chen

## Ph.D. Student

Email: [email protected]

## Xi Chen

## Ph.D. Student

Email: [email protected]

## Shitao Zhang

## Master Student

Email: [email protected]

## Yuang Fan

## Master Student

Email: [email protected]

## Liangyu Che

## Ph.D. Student

Email: [email protected]

## Hongfeng Liu

## Master Student

Email: [email protected]

## Keyi Huang

## Master Student

Email: [email protected]

## Yishan Li

## Master Student

Email: [email protected]

## Secretary

## Manrong Chen

## Secretary

Email: [email protected]

## Alumni

## RESEARCH

## NV System in Diamond

We pay attention to robust control in NV system, such like optimal control theory, geometric quantum control and control with dynamic decoupling.

## Quantum Control

## NMR

## Quantum Simulation

## NEWS

## PUBLICATION

**Preprints**

*(*: equal contributions; †: corresponding author)*

- X. Lin, J. W. Fan, R. C. Ye, M. T. Zhou, Y. M. Song,
**D. W. Lu†**, and N. Y. Xu†,*Online Optimization for Optical Readout of a Single Electron Spin in Diamond*,**Front. Phys.****18**, 21301 (2023). - Y. Zhai, X. D. Yang†, K. Tang, X. Y. Long, X. F. Nie, T. Xin,
**D. W. Lu**, and J. Li†,*Control-Enhanced Quantum Metrology Under Markovian Noise*,**Phys. Rev. A****107**, 022602 (2023). - B. Cheng, X. H. Deng, X. Gu, Y. He, G. C. Hu, P. H. Huang, J. Li, B. C. Lin,
**D. W. Lu**, Y. Lu, C. D. Qiu, H. Wang, T. Xin, S. Yu, M. H. Yung, J. K. Zeng, S. Zhang, Y. P. Zhong, X. H. Peng, F. Nori, and D. P. Yu†,*Noisy Intermediate-Scale Quantum Computers (Review)*,**Front. Phys.****18**, 21308 (2023).

### Refereed Papers

*(*: equal contributions; †: corresponding author)*

- X. F. Nie*, X. R. Zhu*, K. Y. Huang, K. Tang, X. Y. Long, Z. D. Lin, Y. Tian, C. D. Qiu, C. Xi, X. D. Yang, J. Li, Y. Dong†, T. Xin†, and
**D. W. Lu†**,*Experimental Realization of a Quantum Refrigerator Driven by Indefinite Causal Orders*,**Phys. Rev. Lett.****129**, 100603 (2022).__arXiv__ - X. Y. Long*, W. T. He*, N. N. Zhang*, K. Tang, Z. D. Lin, H. F. Liu, X. F. Nie, G. R. Feng, J. Li, T. Xin, Q. Ai†, and
**D. W. Lu†**,*Entanglement-Enhanced Quantum Metrology in Colored Noise by Quantum Zeno Effect*,**Phys. Rev. Lett.****129**, 070502 (2022).__arXiv__ - X. D. Yang, X. F. Nie, Y. L. Ji, T. Xin,
**D. W. Lu**, and J. Li^{†}^{†},*Improved Quantum Computing with Higher-Order Trotter Decomposition*,**Phys. Rev. A****106**, 042401 (2022). - F. F. Zhou, Y. Tian, Y. M. Song, C. D. Qiu, X. Y. Wang, M. T. Zhou, N. Y. Xu
^{†}, and**D. W. Lu**,^{†}*Preserving Entanglement in a Solid-Spin System Using Quantum Autoencoders*,**Appl. Phys. Lett.****121**, 134001 (2022).__arXiv__ - Y. Tian, L. Y. Che, X. Y. Long, C. L. Ren
^{†}, and**D. W. Lu**,^{†}*Machine Learning Experimental Multipartite Entanglement Structure*,**Adv. Quantum Technol.**, 2200025 (2022). - S. Z. Xue*, Y. L. Huang*, D. F. Zhao, C. Wei, J. Li, Y. Dong, J. C. Gao,
**D. W. Lu**, T. Xin^{†}^{†}, and G. L. Long,*Experimental Measurement of Bipartite Entanglement using Parameterized Quantum Circuits*,**Sci. China Phys. Mech. Astron.****65**, 280312 (2022). - Z. D. Lin*, L. Zhang*, X. Y. Long*, Y. A. Fan, Y. S. Li, K. Tang, J. Li, X. F. Nie, T. Xin
^{†}, X. J. Liu^{†}, and**D. W. Lu**,^{†}*Experimental Quantum Simulation of Non-Hermitian Dynamical Topological States using Stochastic Schrödinger Equation*,**npj Quantum Inf.****8**, 77 (2022). - X. Y. Wang, Z. D. Lin, L. Y. Che, H. Y. Chen, and
**D. W. Lu**,^{†}*Experimental Quantum-Enhanced Machine Learning in Spin-Based Systems*,**Adv. Quantum Technol.**, 2200005 (2022). - Z. Zhang*, X. Y. Long*, X. Z. Zhao, Z. D. Lin, K. Tang, H. F. Liu, X. D. Yang, X. F. Nie, J. S. Wu, J. Li, T. Xin†, K. R. Li†, and
**D.W. Lu†**,*Identifying Abelian and Non-Abelian Topological Orders in the String-Net Model using a Quantum Scattering Circuit*,**Phys. Rev. A (Letter) 105**, L030402 (2022). - Y. C. Li*, T. Xin*, C. D. Qiu, K. R. Li, G. Q. Liu, J. Li, Y. D. Wan†, and
**D.W. Lu†**,*Dynamical-Invariantbased Holonomic Quantum Gates: Theory and Experiment*,**Fundamental Research**, in press (2022). arXiv. - T. Xin*, L. Y. Che*, C. Xi, A. Singh, X. F. Nie, J. Li†, Y. Dong†, and
**D.W. Lu†**,*Experimental Quantum Principal Component Analysis via Parametrized Quantum Circuits*,**Phys. Rev. Lett. 126**, 110502 (2021). - L. Y. Che*, C. Wei*, Y. L. Huang, D. F. Zhao, S. Z. Xue, X. F. Nie, J. Li†,
**D.W. Lu†**, and T. Xiny,*Learning quantum Hamiltonians from single-qubit measurements*,**Phys. Rev. Research 3**, 023246 (2021). - D. F. Zhao*, C. Wei*, S. Z. Xue, Y. L. Huang, X. F. Nie, J. Li, D. Ruan,
**D.W. Lu†**, T. Xin†, and G. L. Long,*Characterizing quantum simulations with quantum tomography on a spin quantum simulator*,**Phys. Rev. A 103**, 052403 (2021). - D. F. Zhao, S. Z. Xue, D. Ruan, J. Li,
**D.W. Lu**, W. Huang, T. Xin, H. Li†, X. F. Nie†, and G. L. Long,*Experimental observation of a quadrupolar phase via quench dynamics on a spin simulator*,**Phys. Rev. A 104**, 062615 (2021). - C. D. Qiu, X .F. Nie†, and
**D.W. Lu†**,*Quantum simulations with nuclear magnetic resonance system (Invited Review)*,**Chin. Phys. B 30**, 048201 (2021). - Y. Tian, Z. D. Lin, X. Y. Wang, L. Y. Che, and
**D.W. Lu†**,*Experimental progress of quantum machine learning based on spin systems (Invited Review, in Chinese)*,**Acta. Phys. Sin. 70**, 140305 (2021). - S. Y. Hou, G. R. Feng, Z. P. Wu, H. Y. Zou, W. Shi, J. F. Zeng, C. F. Cao, S. Yu, Z. K. Sheng, X. Rao, B. Ren,
**D.W. Lu**, J. T. Zou, G. X. Miao†, J. G. Xiang†, and B. Zeng†,*SpinQ Gemini: a desktop quantum computing platform for education and research*,**EPJ Quantum Technol. 8**, 1 (2021). arXiv. - T. Xin*, Y. S. Li*, Y. A. Fan, X. R. Zhu, Y. J. Zhang, X. F. Nie, J. Li†, Q. H. Liu†, and
**D.W. Lu†**,*Quantum Phases of Three-Dimensional Chiral Topological Insulators on a Spin Quantum Simulator*,**Phys. Rev. Lett. 125**, 090502 (2020). arXiv - X. F. Nie*, B. B. Wei*, X. Chen, Z. Zhang, X. Z. Zhao, C. D. Qiu, Y. Tian, Y. L. Ji, X. Tao†,
**D.W. Lu†**, and J. Li†,*Experimental Observation of Equilibrium and Dynamical Quantum Phase Transitions via Out-of-Time-Ordered Correlators*,**Phys. Rev. Lett. 124**, 250601 (2020). arXiv - H. Y. Wang, S. J. Wei, C. Zheng, X. Y. Kong, J. W. Wen, X. F. Nie, J. Li,
**D.W. Lu**, and T. Xin†,*Experimental simulation of the four-dimensional Yang-Baxter equation on a spin quantum simulator*,**Phys. Rev. A. 102**, 012610 (2020). - Y. M. Song*, Y. Tian*, Z. Y. Hu, F. F. Zhou, T. T. Xing,
**D.W. Lu**, B. Chen†, Y. Wang, N. Y. Xu†, and J. F. Du†,*Pulse-width-induced polarization enhancement of optically-pumped N-V electron spin in diamond*,**Photonics Research 8**, 1289 (2020). arXiv - T. Xin, X. F. Nie, X. Y. Kong,
**D.W. Lu†**, and J. Li†,*Quantum state tomography via a variational hybrid quantum-classical method*,**Phys. Rev. Applied 13**, 024013 (2020). arXiv - T. Xin, S. J. Wei, J. L. Cui, J. X. Xiao, I. Arrazola, L. Lamata, X. Y. Kong,
**D.W. Lu†**, E. Solano, and G. L. Long†,*Quantum algorithm for solving linear differential equations: Theory and experiment*,**Phys. Rev. A 101**, 032307 (2020). arXiv - T. Xin, S. R. Lu, N. P. Cao, G. Anikeeva,
**D.W. Lu**, J. Li†, G. L. Long, and B. Zeng†,*Local-measurementbased**quantum state tomography via neural networks*, accepted by**npj Quantum Information**(2019). arXiv. - Y. Wang, W. T. Ji, Z. H. Chai, Y. H. Guo, M. Q. Wang, X. Y. Ye, P. Yu, L. Zhang, X. Qin, P. F. Wang, F. Z. Shi, X. Rong,
**D.W. Lu**†, X. J. Liuy, and J. F. Du†,*Experimental observation of dynamical bulk-surface correspondence**for topological phases*, accepted by**Phys. Rev. A**(2019). arXiv - K. R. Li, Y. N. Li, M. X. Han, S. R. Lu, J. Zhou, D. Ruan, G. L. Long, Y. D. Wan†,
**D.W. Lu**†, B. Zeng†, and R. Laflamme,*Quantum Spacetime on a Quantum Simulator*,**Communications Physics****2**, 122 (2019). arXiv - J. Li†, Z. H. Luo, T. Xin, H. Y. Wang, D. Kribs,
**D. W. Lu**†, B. Zeng†, and R. Laflamme,*Experimental Im- plementation of Efficient Quantum Pseudorandomness on a 12-spin System*,**Phys. Rev. Lett. 123**, 030502 (2019). arXiv - W. Q. Zheng, H. Y. Wang, T. Xin, X. F. Nie†,
**D. W. Lu**†, and J. Li†,*Optimal Bounds on State Transfer Under Quantum Channels with Application to Spin System Engineering*,**Phys. Rev. A 100**, 022313 (2019). arXiv - Z. H. Luo, Y. Z. You, J. Li, C. M. Jian,
**D. W. Lu**†, C. K. Xu, B. Zeng†, and R. Laflamme,*Observing Fermion Pair Instability of the Sachdev-Ye-Kitaev Model on a Quantum Spin Simulator*,**npj Quantum Informa-**, 7 (2019). arXiv.

tion 5 - K. R. Li∗, M. X. Han∗, D. X. Qu, Z. C. Huang, G. L. Long, Y. D. Wan†,
**D.W.Lu**†, B. Zeng, and R. Laflamme,*Measuring Holographic Entanglement Entropy on a Quantum Simulator*,**npj Quantum Information 5**, 30 (2019). arXiv. - G. R. Feng, F. Cho, H. Katiyar, J. Li,
**D. W. Lu**, J. Baugh†, and R. Laflamme†,*Closed-Loop Quantum Opti- mal Control in a Solid-State Two-Qubit System*,**Phys. Rev. A 98**, 052341 (2018). arXiv. - S. R. Lu∗, S. L. Huang∗, K. R. Li, J. Li†, J. X. Chen,
**D.W.Lu**†, Z. F. Ji, Y. Shen, D. L. Zhou, and B. Zeng,*A Separability-Entanglement Classifier via Machine Learning*,**Phys. Rev. A 98**, 012315 (2018). arXiv. **D. W. Lu**†,*Speeding up the “quantum” mountain climb*,**Front. Phys. 13**, 130313 (2018).- T. Xin, S. L. Huang, S. R. Lu, K. R. Li, Z. H. Luo, Z. Q. Yin, J. Li†,
**D.W.L**u†, G. L. Long†, B. Zeng,*NM- RCloudQ: A Quantum Cloud Experience on a Nuclear Magnetic Resonance Quantum Computer*,**Sci. Bull. 63**, 17 (2018). arXiv. **D. W. Lu**∗†, K. R. Li∗, J. Li∗, H. Katiyar, A. J. Park, G. R. Feng, T. Xin, H. Li, G. L. Long, A. Brodutch, J. Baugh, B. Zeng†, and R. Laflamme,*Enhancing quantum control by bootstrapping a quantum processor of 12 qubits*,**npj Quantum Information 3**, 45 (2017). arXiv.- J. Li†, S. L. Huang†, Z. H. Luo, K. R. Li,
**D. W. Lu**, and B. Zeng†,*Optimal design of measurement settings for quantum-state-tomography experiments*,**Phys. Rev. A 96**, 032307 (2017). arXiv. - K. R. Li, Y. D. Wan, L. Y. Hung, T. Lan, G. L. Long,
**D. W. Lu**†, B. Zeng, and R. Laflamme,*Experimen- tal Identification of Non-Abelian Topological Orders on a Quantum Simulator*,**Phys. Rev. Lett. 118**, 080502 (2017). arXiv - K. R. Li, G. F. Long, H. Katiyar, T. Xin, G. R. Feng,
**D. W. Lu**†, and R. Laflamme,*Experimentally superpos- ing two pure states with partial prior knowledge*,**Phys. Rev. A 95**, 022334 (2017). arXiv - H. Katiyar†, A. Brodutch†,
**D. W. Lu**†, and R. Laflamme†,*Experimental violation of the LeggettĺCGarg in- equality in a three-level system*,**New J. Phys. 19**, 023033 (2017). arXiv - T. Xin∗,
**D. W. Lu**∗, J. Klassen∗, N. K. Yu†, Z. F. Ji, J. X. Chen, X. Ma, G. L. Long, B. Zeng†, and R. Laflamme,*Quantum state tomography via reduced density matrices*,**Phys. Rev. Lett. 118**, 020401 (2017). arXiv - G. R. Feng, B. Buonacorsi, J. J. Wallman, F. H. Cho, D. Park, T. Xin,
**D. W. Lu**, J. Baugh, and R. Laflamme,*Estimating the coherence of noise in quantum control of a solid-state qubit*,**Phys. Rev. Lett. 117**, 260501 (2016). arXiv - X. Rong,
**D. W. Lu**, X. Kong, J. P. Geng, Y. Wang, F. Z. Shi, C. K. Duan, and J. F. Du†,*Harnessing the pow- er of quantum systems based on spin magnetic resonance: from ensembles to single particles*, invited review article,**Advances in Physics: X 2**, 125 (2016). - H. Y. Wang, W. Q. Zheng, N. K. Yu, K. R. Li,
**D.W.Lu**, T. Xin, C. Li, Z. F. Ji, D. Kribs, B. Zeng†, X. H. Peng†, and J. F. Du,*Quantum state and process tomography via adaptive measurements*,**Sci. China Phys. Mech. Astron. 59**, 100313 (2016). arXiv - J. Li,
**D. W. Lu**, Z. H. Luo, R. Laflamme, X. H. Peng†, and J. F. Du†,*Approximation of reachable set for co- herently controlled open quantum systems: application to quantum state engineering*,**Phys. Rev. A 94**, 012312 (2016). arXiv **D. W. Lu**∗, T. Xin∗, N. K. Yu∗, Z. F. Ji, J. X. Chen, G. L. Long, J. Baugh, X. H. Peng, B. Zeng†, and R. Laflamme,*Tomography is necessary for universal entanglement detection with single-copy observables*,**Phys. Rev. Lett. 116**, 230501 (2016). arXiv- A. J. Park†, E. McKay,
**D. W. Lu**†, and R. Laflamme,*Simulation of anyonic statistics and its topological path independence using a 7-qubit quantum simulator*,**New J. Phys. 18**, 043043 (2016). arXiv **D. W. Lu**†, J. Biamonte, J. Li, H. Li, T. Johnson, V. Bergholm, M. Faccin, Z. Zimbora ́s, R. Laflamme, J. Baugh, and S. Lloyd,*Chiral quantum walks*,**Phys. Rev. A 93**, 042302 (2016). arXiv- X. Ma, T. Jackson, H. Zhou, J. X. Chen,
**D. W. Lu**, M. D. Mazurek, K. A. G. Fisher, X. H. Peng, D. Kribs, K. J. Resch, Z. F. Ji, B. Zeng†, and R. Laflamme,*Pure-state tomography with the expectation value of Pauli operators*,**Phys. Rev. A 93**, 032140 (2016). arXiv **D. W. Lu**, H. Li, D. Trottier, J. Li, A. Brodutch, A. P. Krismanich, A. Ghavami, G. I. Dmitrienko, G. Long, J. Baugh, and R. Laflamme†,*Experimental estimation of average fidelity of a Clifford gate on a 7-qubit quan- tum processor*,**Phys. Rev. Lett. 114**, 140505 (2015). arXiv- Z. K. Li, H. Zhou, C. Y. Ju, H. W. Chen, W. Q. Zheng,
**D.W.Lu**, X. Rong, C. K. Duan, X. H. Peng†, and J. F. Du†,*Experimental realization of a compressed quantum simulation of a 32-spin Ising chain*,**Phys. Rev. Lett. 112**, 220501 (2014). **D. W. Lu**, A. Brodutch†, J. Li, H. Li, and R. Laflamme†,*Experimental realization of post-selected weak mea- surements on an NMR quantum processor*,**New J. Phys. 16**, 053015 (2014). arXiv**D.W.Lu**, B. R. Xu, N. Y. Xu, Z. K. Li, H. W. Chen, X. H. Peng, R. X. Xu, and J. F. Du†,*Quantumchem- istry simulation on quantum computers: theories and experiments*,**Phys. Chem. Chem. Phys. Perspective 14**, 9411 (2012).**D.W.Lu**, N. Y. Xu, B. R. Xu, Z. K. Li, H. W. Chen, X. H. Peng, R. X. Xu, and J. F. Du†,*Experimentals- tudy of quantum simulation for quantum chemistry with a nuclear magnetic resonance simulator*,**Phil. Trans. R. Soc. A 370**, 4734 (2012).- N. Y. Xu, J. Zhu,
**D. W. Lu**, X. Y. Zhou, X. H. Peng†, and J. F. Du†,*Quantum factorization of 143 on a dipolar-coupling NMR system*,**Phys. Rev. Lett. 108**, 130501 (2012). arXiv - Z. K. Li∗, M. H. Yung∗, H. W. Chen,
**D. W. Lu**, J. D. Whitfield, X. H. Peng, A. Aspuru-Guzik, and J. F. Du†,*Solving quantum ground-state problems with nuclear magnetic resonance*,**Sci. Rep. 1**, 88 (2011). arXiv **D. W. Lu**, N. Y. Xu, R. X. Xu, H. W. Chen, J. B. Gong, X. H. Peng, and J. F. Du†,*Simulation of chemical isomerization reaction dynamics on a NMR quantum simulator*,**Phys. Rev. Lett. 107**, 020501 (2011). arXiv- H. W. Chen,
**D. W. Lu**, B. Chong, G. Qin, X. Y. Zhou, X. H. Peng†, and J. F. Du†,*Experimental demonstra- tion of probabilistic quantum cloning*,**Phys. Rev. Lett. 106**, 180404 (2011). arXiv **D. W. Lu**, J. Zhu, P. Zhou, X. H. Peng, Y. H. Yu, S. M. Zhang, Q. Chen, and J. F. Du†,*Experimental imple- mentation of a quantum random-walk search algorithm using strongly dipolar coupled spins*,**Phys. Rev. A 81**, 022308 (2010).- J. F. Du†, N. Y. Xu, X. H. Peng, P. F. Wang, S. F. Wu, and
**D. W. Lu**,*NMR implementation of a molecular hydrogen quantum simulation with adiabatic state preparation*,**Phys. Rev. Lett. 104**, 030502 (2010). arXiv - C. L. Ren,
**D. W. Lu**, X. H. Peng, M. J. Shi, and J. F. Du†,*Experimentally simulating the violation of Bell-type inequalities for generalized GHZ states*,**Phys. Lett. A 373**, 46, 4222-4226 (2009).

### Book Chapters

**D. W. Lu**, A. Brodutch, J. Park, H. Katiyar, T. Jochym-O’Connor, and R. Laflamme,*NMR quantum infor- mation processing, Electron Spin Resonance (ESR) Based Quantum Computing*(Springer Publishing, 2016). arXiv; order the book- J. F. Du, C. Lei, G. Qin,
**D. W. Lu**, and X. H. Peng,*Search via quantum walk, Search Algorithms and Ap- plications*(InTech Publishing, 2011). PDF; order the book