● August 2001 – July 2006: Tsinghua University, Department of Engineering Physics, Ph.D.

● August 1997 – July 2001: Tsinghua University, Department of Engineering Physics, B.Eng.

● December 2012 – Present: Tsinghua University, Department of Engineering Physics, Associate Professor

● July 2008 – November 2012: Tsinghua University, Department of Engineering Physics, Assistant Researcher

● July 2006 – June 2008: Tsinghua University, Department of Engineering Physics, Postdoctoral Fellow

Courses Taught

● Undergraduate: Introduction to Radiation Sources

● Graduate: Physics and Applications of High-Brightness Electron Beams

● Co-taught Undergraduate Experimental Course:

The physics mystery in engineering application and the engineering practice in physics exploration

The Laser Technologies in Accelerators

Student Supervision

● Graduated: 11 students (9 doctoral, 2 master’s)

● Current: 9 students (8 doctoral, 1 master’s)

● Novel terahertz (THz) radiation source and applications

● Advanced optical enhancement cavity and applications

● Laser technologies in advanced light sources

● High-brightness electron beams and applications

● Inverse Compton scattering X-ray and gamma-ray sources

● 2024–2029: Beijing Outstanding Young Scientist Program, PI

● 2022–2027: Key Technologies for High-Power Laser Electron Beam Modulation, Ministry of Science and Technology Key R&D Program, PI

● 2019–2023: Research on Novel Adjustable High-Bunching-Factor Terahertz-Structured Electron Beam Pulse Sequences and Their Radiation, NSFC Key Project, PI

● 2015–2018: Tunable Narrowband Terahertz Radiation via Nonlinear Longitudinal Space Charge Oscillations, NSFC General Project, PI

● 2014–2017: study on novel quantum materials by integrating STM and THz spectroscopy. Major Scientific Instrument Development Project by the Ministry of Science and Technology, PI

● 2010–2012: Generation of Picosecond-Spaced Ultrashort Electron Bunch Trains Using Photocathode RF Guns, NSFC General Project, PI

Selected publications:

1. ZY Liu, XJ Deng, T Li, LX Yan*, Instantaneous and retarded interactions in coherent radiation, Phys. Rev. Lett. 133, 165001(2024)

2. XY Lu, et al, Stable 500 kW average power of infrared light in a finesse 35 000 enhancement cavity, Appl. Phys. Lett. 124(25),251105(2024)

3. XY Lu, et al, 710 kW stable average power in a 45 000 finesse two-mirror optical cavity, Opt. Lett. 49(23), 6884(2024)

4. YF Liang, ZY Liu, QL Tian, T Li, XC Lin, LX Yan*, YC Du, RK Li, JR Shi, C Cheng, WH Huang, CX Tang, Widely tunable electron bunch trains for the generation of high-power narrowband 1–10 THz radiation, Nature Photonics 17, 259–263 (2023)

5. YF Liang, S Antipov, QL Tian, LX Yan*, et al, Generation of a chirp-controlled THz pulse by a tapered corrugated wakefield structure, Phys. Rev. Applied 19, 054085(2023)

6. LX Yan*, ZY Liu, Efficient free electron laser, Nature Photonics 16, 404-405(2022)

7. HQ Feng, Z Zhou, YP Wu*, ZF Gao, YF Liang, NS Huang, LX Yan*, et al, Generation of tunable 10-mJ-level THz pulses through nonlinear plasma wakefield modulation, Phys. Rev. Applied 15, 044032(2021)

8. QL Tian, HX Xu, Y Wang, YF Liang, YM Tan, XN Ning, LX Yan*, et al, Efficient generation of a high-field THz pulse train in bulk LN crystals by optical rectification, Opt. Express 29(6), 9624-9634(2021)

9. HX Xu, LX Yan, YC Du, WH Huang*,QL Tian, RK Li, YF Liang, SH Gu, JR Shi, CX Tang, Cascaded high-gradient THz-driven acceleration of relativistic electron beams, Nature Photonics 15, 426-430(2021)

10. XJ Deng, A Chao, J Feikes*, A Hoehl, WH Huang, R Klein, A Kruschinski, J Li, A Matveenko, Y Petenev, M Ries, CX Tang*, LX Yan, Experimental demonstration of the mechanism of SSMB, Nature 590, 576-579(2021)

11. YF Liang, YC Du, XL Su, D Wang, LX Yan*, et al, Observation of coherent Smith-Purcell and transition radiation driven by single bunch and micro-bunched electron beams, Appl. Phys. Lett. 112 (5), 053501(2018)

12. YF Liang, YC Du, D Wang, LX Yan*, et al, Selective excitation and control of coherent THz Smith-Purcell radiation by high-intensity period-tunable train of electron micro-bunches, Appl. Phys. Lett. 113, 171104(2018)

13. LR Zhao, Z Wang, C Lu, R Wang, C Hu, P Wang, J Qi, T Jiang, SG Liu, ZR Ma, FF Qi, PF Zhu, Y Cheng, ZW Shi, YC Shi, W Song, XX Zhu, JR Shi, YX Wang, LX Yan, et al, THz Streaking of Few-fs Relativistic Electron Beams, Phys. Rev. X 8(2), 021061(2018)

14. D Wang*, XL Su, LX Yan*, et al, Phase control with two-beam interferometry method in a terahertz dielectric wakefield accelerator, Appl. Phys. Lett. 111 (17), 174102(2017)

15. Zhang Z, Yan LX, et al, Tunable High-Intensity Electron Bunch Train Production Based on Nonlinear Longitudinal Space Charge Oscillation, Phys. Rev. Lett. 116(18), 184801(2016)

16. FC Fu, R Wang, PF Zhu, LR Zhao, T Jiang, C Lu, SG Liu, LB Shi, LX Yan, et al, Demonstration of Nonlinear-Energy-Spread Compensation in Relativistic Electron Bunches with Corrugated Structures, Phys. Rev. Lett. 114 (11), 114801(2015)

17. Yan LX, et al, Passive energy jitter reduction in the cascaded third harmonic generation process, Las. Phys. Lett. 11, 075403(2014)

18. XL Xu, JF Hua, F Li, CJ Zhang, LX Yan, et al, Phase-Space Dynamics of Ionization Injection in Plasma-Based Accelerators, Phys. Rev. Lett. 112 (3), 035003(2014)

19. F Li, JF Hua, XL Xu, CJ Zhang, LX Yan, et al, Generating High-Brightness Electron Beams via Ionization Injection by Transverse Colliding Lasers in a Plasma-Wakefield Accelerator, Phys. Rev. Lett. 111 (1), 015003(2013)

20. Chen HB, Du YC, Gai W, Grudiev A, Hua JF, Huang WH, Power JG,Wisniewski EE, Wuensch W, Tang CX, Yan LX, et al., Surface Emission Studies in a High Field RF Gun based on Measurements of Field Emission and Schottky Enabled Photoemission, Phys. Rev. Lett. 109, 204802 (2012)