Kihwan Kim
Professor, Department of Physics, Tsinghua University
Contact Information
Address
Physics Building A328,
Department of Physics,
Tsinghua University, Beijing, 100084, China
kimkihwan@mail.tsinghua.edu.cn
URL
http://info.phys.tsinghua.edu.cn/kimkihwan/index.html
Education
1998-2004 Ph. D., Physics, Seoul National University, Seoul, Korea (supervisor: Prof. Wonho-Jhe)
1996-1998 M. S., Physics, Seoul National University, Seoul, Korea (supervisor: Prof. Wonho-Jhe)
1992-1996 B. S., Physics, Seoul National University, Seoul, Korea
Appointments
2022- Tenured Professor, Department of Physics, Tsinghua University
2016- 2022 Tenured Associate Professor, Tsinghua University
2011- 2016 Associate Professor, Tsinghua University
2008- 2011 Postdoctoral Fellow, University of Maryland (supervisor: Prof. Chris Monroe)
2005- 2007 Postdoctoral Fellow, Innsbruck University (supervisor: Prof. Rainer Blatt)
2004- 2005 Postdoctoral Researcher, Seoul National University (supervisor: Prof. Wonho-Jhe)
Honors and Awards
Lise-Meitner Fellow 2005-2007
Leading researcher award in science and technology innovation 2020
Main Research Interests
Quantum computation, quantum simulation and tests of quantum foundation with trapped ions
Publications
• > 80 publications in SCI journal.
• > 35 publications in SCI and 1 book chapter after joining Tsinghua University
• > 8000 citations (h-index 39, Google scholar by Dec. 2023)
Representative Papers from Tsinghua
• “Programmable quantum simulations of spin systems with trapped ions,” Rev. Mod. Phys. 93, 025001 (2022): 528 citations
• “Global entangling gates on arbitrary ion qubits,” Nature 572, 363 (2019): 113 citations
• “Single-qubit quantum memory exceeding ten-minute coherence time,” Nat. Photon. 11, 646 (2017): 289 citations, “Single ion qubit with estimated coherence time exceeding one hour,” Nat. Commun. 12, 233 (2021): 227 citations,
• “Quantum implementation of the unitary coupled cluster for simulating molecular electronic structure,” Phys. Rev. A 95, 020501 (2017): 319 citations
• “Shortcuts to adiabaticity by counterdiabatic driving for trapped-ion displacement in phase space,” Nat. Commun. 7, 12999 (2016): 181 citations
• “Experimental test of the quantum Jarzynski equality with a trapped-ion system,” Nat. Phys. 11, 193 (2015): 404 citations
Journal Publications from Tsinghua
36. “Tunable quantum simulation of spin models with a two-dimensional ion crystal,” Mu Qiao, Zhengyang Cai, Ye Wang, Botao Du, Naijun Jin, Wentao Chen, Pengfei Wang, Chunyang Luan, Erfu Gao, Ximo Sun, Haonan Tian, Jingning Zhang and Kihwan Kim, Nat. Phys. Online (2024).
35. “Error-mitigated quantum simulation of interacting fermions with trapped ions,” Wentao Chen, Shuaining Zhang, Jialiang Zhang, Xiaolu Su, Yao Lu, Kuan Zhang, Mu Qiao, Ying Li, Jing-Ning Zhang and Kihwan Kim, npj Quantum Inf. 9, 122 (2023).
34. “Entangling gates for trapped-ion quantum computation and quantum simulation,” Zhengyang Cai, Chun-Yang Luan, Lingfeng Ou, Hengchao Tu, Zihan Yin, Jing-Ning Zhang and Kihwan Kim, J. Phys. Soc. Kor. 82, 882 (2023).
33. “Scalable and programmable phononic network with trapped ions,” Wentao Chen, Yao Lu, Shuaining Zhang, Kuan Zhang, Guanhao Huang, Mu Qiao, Xiaolu Su, Jialiang Zhang, Jing-Ning Zhang, Leonardo Banchi, M. S. Kim and Kihwan Kim, Nat. Phys. 19, 877 (2023).
32. “Fast multi-qubit global-entangling gates without individual addressing of trapped ions,” Kaizhao Wang, Jingfan Yu, Pengfei Wang, Chunyang Luan, Jing-Ning Zhang, Kihwan Kim, Quantum Sci. Technol. 7, 044005 (2022).
31. “Significant-loophole-free test of Kochen-Specker contextuality using two species of atomic-ions,” Pengfei Wang, Junhua Zhang, Chun-Yang Luan, Mark Um, Ye Wang, Mu Qiao, Tian Xie, Jing-Ning Zhang, Adán Cabello, Kihwan Kim, Sci. Adv. 8, eabk1660 (2022).
30. “Quantum computation and simulation with vibrational modes of trapped ions,” Wentao Chen, Jaren Gan, Jing-Ning Zhang, Dzmitry Matuskevich, Kihwan Kim, Chinese Phys. B 30, 060311 (2021).
29. “Programmable quantum simulations of spin systems with trapped ions,” C. Monroe, W. C. Campbell, L. -M. Duan, Z. -X. Gong, A. V. Gorshkov, P. W. Hess, R. Islam, K. Kim, N. M. Linke, G. Pagano, P. Richerme, C. Senko, N. Y. Yao, Rev. Mod. Phys. 93, 025001 (2021).
28. “Double-Electromagnetically-Induced-Transparency Ground-State Cooling of Stationary Two-Dimensional Ion Crystals,” Mu Qiao, Ye Wang, Zhengyang Cai, Botao Du, Pengfei Wang, Chunyang Luan, Wentao Chen, Heung-Ryoul Noh, and Kihwan Kim, Phys. Rev. Lett. 126, 023604 (2021).
27. “Single ion qubit with estimated coherence time exceeding one hour,” Pengfei Wang, Chun-Yang Luan, Mu Qiao, Mark Um, Junhua Zhang, Ye Wang, Xiao Yuan, Mile Gu, Jingning Zhang, Kihwan Kim, Nat. Commun. 12, 233 (2021).
26. “Realization of two-dimensional crystal of ions in a monolithic Paul trap,” Ye Wang, Mu Qiao, Zhengyang Cai, Kuan Zhang, Naijun Jin, Pengfei Wang, Wentao Chen, Chunyang Luan, Haiyan Wang, Yipu Song, Dahyun Yum, Kihwan Kim, Adv. Quant. Techn. 3, 2000068 (2020).
25. “Probabilistic eigensolver with a trapped-ion quantum processor,” Jing-Ning Zhang, Iñigo Arrazola, Jorge Casanova, Lucas Lamata, Kihwan Kim, and Enrique Solano, Phys. Rev. A 101, 052333 (2020).
24. “Randomness Expansion Secured by Quantum Contextuality,” Mark Um, Qi Zhao, Junhua Zhang, Pengfei Wang, Ye Wang, Mu Qiao, Hongyi Zhou, Xiongfeng Ma, and Kihwan Kim, Phys. Rev. Applied 13, 034077 (2020).
23. “Error-mitigated quantum gates exceeding physical fidelities in a trapped-ion system,” Shuaining Zhang, Yao Lu, Kuan Zhang, Wentao Chen, Ying Li, Jing-Ning Zhang & Kihwan Kim, Nat. Commun. 11, 587 (2020).
22. “Modular quantum computation in a trapped ion system,” Kuan Zhang, Jayne Thompson, Xiang Zhang, Yangchao Shen, Yao Lu, Shuaining Zhang, Jiajun Ma, Vlatko Vedral, Mile Gu & Kihwan Kim, Nat. Commun. 10, 4692 (2019).
21. “Global entangling gates on arbitrary ion qubits,” Yao Lu, Shuaining Zhang, Kuan Zhang, Wentao Chen, Yangchao Shen, Jialiang Zhang, Jing-Ning Zhang, Kihwan Kim, Nature 572, 363 (2019).
20. “NOON States of Nine Quantized Vibrations in Two Radial Modes of a Trapped Ion,” Junhua Zhang, Mark Um, Dingshun Lv, Jing-Ning Zhang, Lu-Ming Duan, and Kihwan Kim, Phys. Rev. Lett. 121, 160502 (2018).
19. “Operational effects of the UNOT gate on classical and quantum correlations,” Kuan Zhang, Jiajun Ma, Xiang Zhang, Jayne Thompson, Vlatko Vedral, Kihwan Kim, Mile Gu, Sci. Bull. 63, 765 (2018).
18. “Quantum Simulation of the Quantum Rabi Model in a Trapped Ion,” Dingshun Lv, Shuoming An, Zhenyu Liu, Jing-Ning Zhang, Julen S. Pedernales, Lucas Lamata, Enrique Solano, and Kihwan Kim, Phys. Rev. X 8, 021027 (2018).
17. “Quantum simulation of molecular spectroscopy in trapped-ion device,” Yangchao Shen, Yao Lu, Junhua Zhang, Kuan Zhang, Shuaining Zhang, Joonsuk Huh, Kihwan Kim, Chem. Sci. 9, 836 (2018).
16. “Experimental quantum simulation of fermion-antifermion scattering via boson exchange in a trapped ion,” Xiang Zhang, Kuan Zhang, Yangchao Shen, Jingning Zhang, Man-Hong Yung, Jorge Casanova, Julen S. Pedernales, Lucas Lamata, Enrique Solano, Kihwan Kim, Nat. Commun. 9, 195 (2018).
15. “Verification of the quantum nonequilibrium work relation in the presence of decoherence,” Andrew Smith, Yao Lu, Shuoming An, Xiang Zhang, Jing-Ning Zhang, Zongping Gong, H. T. Quan, Christopher Jarzynski, Kihwan Kim, New J. Phys. 20, 013008 (2018).
14. “Single-qubit quantum memory exceeding 10-minute coherence time,” Ye Wang, Mark Um, Junhua Zhang, Shuoming An, Ming Lyu, Jing -Ning Zhang, L.-M. Duan, Dahyun Yum and Kihwan Kim, Nat. Photon. 11, 646 (2017).
13. “Reconstruction of the Jaynes-Cummings field state of ionic motion in a harmonic trap,” Dingshun Lv, Shuoming An, Mark Um, Junhua Zhang, Jing-Ning Zhang, M. S. Kim, and Kihwan Kim, Phys. Rev. A 95, 043813 (2017).
12. “Universal Work Fluctuations During Shortcuts to Adiabaticity by Counterdiabatic Driving,” Ken Funo, Jing-Ning Zhang, Cyril Chatou, Kihwan Kim, Masahito Ueda, and Adolfo del Campo, Phys. Rev. Lett. 118, 100602 (2017).
11. “Quantum implementation of the unitary coupled cluster for simulating molecular electronic structure,” Yangchao Shen, Xiang Zhang, Shuaining Zhang, Jing-Ning Zhang, Man-Hong Yung, and Kihwan Kim, Phys. Rev. A 95, 020501(R) (2017).
10. “Revealing nonclassicality beyond Gaussian states via a single marginal distribution,” Jiyong Park, Yao Lu, Jaehak Lee, Yangchao Shen, Kuan Zhang, Shuaining Zhang, Muhammad Suhail Zubairy, Kihwan Kim, and Hyunchul Nha, Proc. Natl. Acad. 114, 891 (2017).
9. “Shortcuts to adiabaticity by counterdiabatic driving for trapped-ion displacement in phase space,” Shuoming An, Dingshun Lv, Adolfo del Campo & Kihwan Kim, Nat. Commun. 7, 12999 (2016).
8. “Phonon arithmetic in a trapped ion system,” Mark Um, Junhua Zhang, Dingshun Lv, Yao Lu, Shuoming An, Jing-Ning Zhang, Hyunchul Nha, M. S. Kim, Kihwan Kim, Nat. Commun. 7, 11410 (2016).
7. “Time reversal and charge conjugation in an embedding quantum simulator,” Xiang Zhang, Yangchao Shen, Junhua Zhang, Jorge Casanova, Lucas Lamata, Enrique Solano, Man-Hong Yung, Jing-Ning Zhang, Kihwan Kim, Nat. Commun. 6, 7917 (2015).
6. “Testing Nonclassicality and Non-Gaussianity in Phase Space,” Jiyong Park, Junhua Zhang, Jaehak Lee, Se-Wan Ji, Mark Um, Dingshun Lv, Kihwan Kim, and Hyunchul Nha, Phys. Rev. Lett. 114, 190402 (2015).
5. “Experimental test of the quantum Jarzynski equality with a trapped-ion system,” Shuoming An, Jing-Ning Zhang, Mark Um, Dingshun Lv, Yao Lu, Junhua Zhang, Zhang-Qi Yin, H. T. Quan and Kihwan Kim, Nat. Phys. 11, 193 (2015).
4. “Quantum estimation of magnetic-field gradient using W-state,” H. T. Ng and K. Kim, Opt. Comm. 331, 353 (2014).
3. “Realization of geometric Landau-Zener-Stückelberg interferometry,” Junhua Zhang, Jingning Zhang, Xiang Zhang, and Kihwan Kim, Phys. Rev. A 89, 013608 (2014).
2. “Experimental Certification of Random Numbers via Quantum Contextuality,” Mark Um, Xiang Zhang, Junhua Zhang, Ye Wang, Shen Yangchao, D. -L Deng, Lu-Ming Duan, Kihwan Kim, Sci. Rep. 3, 1627 (2013).
1. “State-independent experimental test of quantum contextuality with a single trapped ion,” Xiang Zhang, Mark Um, Junhua Zhang, Shuoming An, Ye Wang, Dong-ling Deng, Chao Shen, Lu-Ming Duan, Kihwan Kim, Phys. Rev. Lett. 110, 070401 (2013).
Book chapter
Probing quantum fluctuation with a trapped ion (Thermodynamics in the Quantum Regime, Springer) in press
Research Grants
“Quantum memory with trapped ions,” Ministry of Science and Technology, 44M RMB, 2022-2026,
“Experimental realization of quantum error-mitigation and application to hybrid quantum-classical algorithms,” National Natural Science Foundation of China, 3.5M RMB, 2021-2024
“Quantum Contextuality and Randomness Generation with Trapped Ions,” National Natural Science Foundation of China, 650k RMB, 2019-2023
“Trapped Ion Quantum Computation,” Ministry of Science and Technology, 30M RMB, 2016-2021
“Quantum Statistics with Trapped Ions,” National Natural Science Foundation of China, 844k RMB, 2015-2019
“Development of Monolithic Ion Trap,” National Natural Science Foundation of China, 890k RMB, 2013-2017
“Thousand Talents Program for Global Youth Experts,” Ministry of Education, 3M RMB, 2012-2014
“School Support Fund for Talent Experts,” Tsinghua University, 500k RMB, 2011-2014
Invited Talks
Over 100 invited talks at conferences, workshops, colloquia and seminars.
Mentoring
3 postdoctoral researchers, 21 graduate students (13 graduated), 1 master student, and 25 undergraduate students
Associate Editors
Quantum Science and Technology, Associate Editor since 2020
Frontiers in Physics, Associate Editor since 2016