Zhonghua Ji
Professor Ji Zhonghua
Ph.D., Supervisor for Master's and Ph.D. students.
Professor Ji Zhonghua graduated from the School of Physics and Information Engineering at Shanxi Normal University in July 2006 with a bachelor's degree in Physics. In July 2012, he earned his Ph.D. in Optics from the State Key Laboratory of Quantum Optics and Quantum Optical Devices at Shanxi University's Institute of Laser Spectroscopy. From September 2013 to September 2014, he conducted postdoctoral research in the Joint Quantum Centre (JQC) at the Department of Physics, Durham University, UK, under the supervision of Prof. Simon L. Cornish.
Research Interests:
His research primarily focuses on theoretical and experimental studies of ultrahigh-precision spectral analysis, coherent preparation, and quantum computation involving ultracold atoms and molecules.
Grants & Projects:
1. "Loss Mechanisms and External Field Control of Novel Inelastic Collisions in Ultracold Polar Molecules" – National Natural Science Foundation of China (General Program).
2. "Dynamics of Ultracold Polar Molecules in Optical Dipole Traps" – Applied Basic Research Program of Shanxi Provincial Department of Science and Technology.
3. "Electric Field-Controlled Dipole-Dipole Interactions in Ultracold Polar Molecules" – National Natural Science Foundation of China (Youth Program).
Representative Publications :
30. Lijin Wu, Zhonghua Ji*, Weixin Ma, Dianqiang Su, Yanting Zhao*, Liantuan Xiao, Suotang Jia, Narrow laser linewidth measurement with the optimal demodulated Lorentzian spectrum, Appl. Opt., 63, 1847 (2024)
29. Ziwei Wang, Ziang Li, Xuhui Bai, Ting Gong, Zhonghua Ji*, Yanting Zhao, Gaoren Wang*,Analyzing the photoassociation spectrum of ultracold 85Rb 133Cs molecule in (3)3Σ+ state，J. Chem. Phys., 160, 114313 (2024)
28. Fangda Wang, Weixin Ma, Feng Mei, Zhonghua Ji*, Dianqiang Su, Yanting Zhao, Liantuan Xiao, Suotang Jia, Simple, low-cost, and well-performing optical phase-locked loop for frequency and phase locking of semiconductor lasers, Appl. Opt., 62, 7169 (2023)
27. Jinzhu Jiang, Jia-Hui Zhang, Feng Mei*, Zhonghua Ji*(Co-corresponding author), Ying Hu, Jie Ma, Liantuan Xiao* and Suotang Jia, “Topological phases of ultracold molecules in an optical tweezer ladder”, Phys. Rev. A, 106, 023318 (2022)
26. Zhonghua Ji*(First author，Co-corresponding author)，Yuechun Jiao, Yongmei Xue, Liping Hao, Jianming Zhao* and Suotang Jia,Distinction of electromagnetically induced transparency and Autler-Towners splitting in a Rydberg-involved ladder-type cold atom system，Opt. Express, 29, 11406 (2021)
25. Ting Gong, Zhonghua Ji (Co-corresponding author），Jiaqi Du, Yanting Zhao, Liantuan Xiao and Suotang Jia, Microwave-assisted coherent control of ultracold polar molecules in a ladder-type configuration of rotational states, Phys. Chem. Chem. Phys., 23, 4271 (2021)
24. Ting Gong, Zhonghua Ji, Jiaqi Du, Yanting Zhao, Liantuan Xiao and Suotang Jia, Measurement of the permanent electric dipole moment of ultracold ground state 85Rb133Cs molecules by microwave coherent spectroscopy, Opt. Express, 29, 1558 (2021)
23. Zhonghua Ji* (First author，Co-corresponding author）, Ting Gong, Yanting Zhao*, Chuanliang Li, Liantuan Xiao, Suotang Jia, Resonance enhanced two-photon ionization spectrum of ultracold 85Rb133Cs molecules in (2)1P1←X1S+ transitions, Journal of Quantitative Spectroscopy & Radiative Transfer, 34, 107215 (2020)
22. Zhonghua Ji*(First author，Co-corresponding author）, Ting Gong, Yonglin He, Jeremy M. Hutson, Yanting Zhao*, Liantuan Xiao and Suotang Jia, Microwave coherent control of ultracold ground-state molecules formed by short-range photoassociation， Phys. Chem. Chem. Phys., 22, 13002 （2020）
21. Yuting Liu, Ting Gong, Zhonghua Ji*（Co-corresponding author）, Gaoren Wang, Yanting Zhao†, Liantuan Xiao, Suotang Jia, Production of ultracold 85Rb133Cs molecules in the lowest ground state via the B 1Π1 short-range state, Journal of chemical physics, 151, 084303 (2019) .
20. Chenhao Wang, Zhonghua Ji*（Co-corresponding author）, Ting Gong, Dianqiang Su, Yanting Zhao†, Liantuan Xiao, Suotang Jia, A simple, low cost and robust method for measurement of the zero-crossing temperature of an ultralow expansion cavity, Journal of Physics D: Applied Physics, 52, 455104 (2019).
19. Dianqiang Su, Ting Gong, Zhonghua Ji, Yanting Zhao*, Liantuan Xiao, and Suotang Jia, Extensive high-resolution photoassociation spectra and perturbation analysis of the 2(0−) long-range state of ultracold RbCs molecules, Phys. Rev. A, 99, 042513 (2019).
18. Transition Dipole Moment Measurements of Ultracold Photoassociated 85Rb133Cs Molecules by Depletion Spectroscopy, Juan-Juan Cao, Ting Gong, Zhong-Hao Li, Zhong-Hua Ji*（Corresponding author）, Yan-Ting Zhao, Lian-Tuan Xiao, Suo-Tang Jia, CHIN. PHYS. LETT. 35, 10, 103301(2018)
17. Candidates for direct laser cooling of diatomic molecules with the simplest 1-1 electronic system Chuanliang Li,* Yachao Li, Zhonghua Ji, Xuanbing Qiu, Yunzhong Lai, Jilin Wei, Yanting Zhao,†Lunhua Deng, Yangqin Chen, and Jinjun Liu,‡ PHYSICAL REVIEW A 97, 062501 (2018)
16. A dynamical process of optically trapped singlet ground state 85Rb133Cs molecules producedvia short-range photoassociation, Zhonghao Li, Ting Gong, Zhonghua Ji, Yanting Zhao*, Liantuan Xiao and Suotang Jia, Phys. Chem. Chem. Phys. 20, 4893(2018)
15. Microwave spectroscopy measurement of ultracold ground state molecules produced via short-range photoassociation, ZHONGHAO LI, ZHONGHUA JI, TING GONG, JUANJUAN CAO, YANTING ZHAO*, LIANTUAN XIAO, AND SUOTANG JIA , OPTICS EXPRESS 26, 3, 2341( 2018)
14. Pump–probe and Four-wave Mixing Spectra Arising from Recoil-induced Resonance in an Operating Cesium Magneto-Optical Trap, Zhonghua Ji（First author）, Hongshan Zhang, Dianqiang Su, Yanting Zhao*, Liantuan Xiao, and Suotang Jia, J. Phys. Soc. Jpn. 87, 024301 (2018)
13. Rotational Population Measurement of Ultracold 85Rb133Cs Molecules in the Lowest Vibrational Ground State, Zhong-Hua Ji（First author）, Zhong-Hao Li, Ting Gong, Yan-Ting Zhao*, Lian-Tuan Xiao, Suo-Tang Jia，Chin. Phys. Lett. 34, 103301 (2017)
12. Ultracold collisions of mixed atoms in optical dipole trap loaded from a dark magneto-optical trap, Yanting Zhao, Ting Gong, Zhonghao Li, Zhonghua Ji*（Corresponding author）, Xiang Zhang, Liantuan Xiao and Suotang Jia，J. Phys. B: At. Mol. Opt. Phys. 50, 195202 (2017)
11. Photoassociation spectra of ultracold 85Rb2 molecule in 0u+ long range state near the 5S1/2 + 5P1/2 asymptote, Guodong Zhao, Dianqiang Su, Zhonghua Ji*（Corresponding author）, Tengfei Meng,Yanting Zhao, Liantuan Xiao, and Suotang Jia, Chin. Phys. B, 26, 083301 (2017)
10. “The determination of potential energy curve and dipole moment of the (5)0+ electronic state of 85Rb133Cs molecule by high resolution photoassociation spectroscopy”, Jinpeng Yuan, Yanting Zhao*, Zhonghua Ji, Zhonghao Li, Jin-Tae Kim, Liantuan Xiao, Suotang Jia, J. Chem. Phys. 143, 224312 (2015)
9. “Photoionization spectrum of 85RbCs molecules produced by short range photoassociation”, Zhonghua Ji（First author）, Jinpeng Yuan, Yonggang Yang, Yanting Zhao, Liantuan Xiao and Suotang Jia, Journal of Quantitative Spectroscopy & Radiative Transfer, 166, 36 (2015)
8. “Investigation on ultracold RbCs molecules in (2)0+ long-range state below the Rb(5S1/2) + Cs(6P1/2) asymptote by high resolution photoassociation spectroscopy”, Jinpeng Yuan, Zhonghua Ji, Zhonghao Li, Yanting Zhao*, Liantuan Xiao, and Suotang Jia, The Journal of Chemical Physics, 143, 044311 (2015)
7. “Systematically investigating the polarization gradient cooling in an optical molasses of ultracold cesium atoms”, Ji Zhong-Hua（First author）, Yuan Jin-Peng, Zhao Yan-Ting, Chang Xue-Fang, Xiao Lian-Tuan and Jia Suo-Tang, Chin. Phys. B 23, 113702 (2014)
6. “Creation of Ultracold 87Rb133Cs Molecules in the Rovibrational Ground State”, Peter K. Molony, Philip D. Gregory, Zhonghua Ji, Bo Lu, Michael P. Koeppinger, C. Ruth Le Sueur, Caroline L. Blackley, Jeremy M. Hutson, and Simon L. Cornish*, Phys. Rev. Lett. 113 255301 (2014).
5. “Measurement of Energy Level Shift of Ultracold Cesium Atoms by Raman Pump–Probe Spectroscopy”, Zhonghua Jia（First author）, Yanting Zhao*, Jie Ma, Liantuan Xiao, and Suotang Jia J. Phys. Soc. Jpn. 81, 104301 (2012)
4.“Photoassociative formation of ultracold RbCs molecules in the (2)3Π state”, Zhonghua Jia（First author）, Hongshan Zhang, Jizhou Wu, Jinpeng Yuan, Yonggang Yang, Yanting Zhao*, Jie Ma, Lirong Wang, Liantuan Xiao, and Suotang Jia, Phys. Rev. A 85, 013401 (2012)
3. “Photoassociative Production and Detection of Ultracold Polar RbCs Molecules ”, Ji Zhonghua（First author）, Zhang Hongshan, Wu Jizhou, Yuan Jinpeng, Zhao Yanting*, Ma Jie, Wang Lirong, Xiao Liantuan,Jia Suotang, Chin. Phys. Lett. 28, 083701 (2011)
2. “Investigation of cold collision in a Rb–Cs magneto-optical trap”, Zhong-Hua Jia（First author）, Ji-Zhou Wu, Hong-Shan Zhang, Teng-Fei Meng, Jie Ma, Li-Rong Wang, Yan-Ting Zhao*, Lian-Tuan Xiao and Suo-Tang Jia, J. Phys. B: At. Mol. Opt. Phys. 44, 025202 (2011)
1. “Ionization Detection of Ultracold Ground State Cesium Molecules”, Ji Zhong-Hua（First author）,Wu Ji-Zhou, Ma Jie, Feng Zhi-Gang, Zhang Lin-Jie,Zhao Yan-Ting*, Wang Li-Rong, Xiao Lian-Tuan, Jia Suo-Tang, Chin. Phys. Lett. 27, 053701(2010)
