2000-current, Argonne National Laboratory, scientist

1998-2000, Lawrence Livermore National Laboratory, visiting scientist

1996-1997, Univeristy of Maryland, visitng scientist

1993-1996, Max Planck Institut fur Quantum Optik, Univerisyt of Jena, Rutherford Laboratory, visiting scientist

Selected publications

• Strong lattice correlation of non-equilibrium quasiparticles in a pseudospin-1/2 Mott insulator Sr2IrO4, Sci. Rep. 6, 19302 (2016).
• Giant optical enhancement of strain gradient in ferroelectric thin films and its physics origin, Sci. Rep. 5, 16650 (2015).
• Origin of Ultrafast Photoinduced Strain in BiFeO3, Phys Rev Lett 110, 037601 (2013).
• Femtosecond Laser Pulse Driven Melting in Gold Nanorod Aqueous Colloidal Suspension: Identification of a Transition from Stretched to Exponential Kinetics, Sci. Rep. 5. (2015)
• Femtosecond electronic response of atoms to ultra-intense X-rays, Nature 466 (7302), 56-61. (2010).
• Laser-driven coherent betatron oscillation in a laser-wakefield cavity, Phys. Rev. Lett. 100, 095002 (2008).
• Generating quasi-ellipsoidal electron beam by 3-D laser pulse shaping, Phys. Rev. Lett. 100, 074801 (2008).
• Characterization of a chaotic optical field using a high-gain, self-amplified free-electron laser, Phys Rev Lett. 91, 243602 (2003).
• Time-resolved measurement of a self-amplified free-electron laser, Phys Rev Lett 89, 234801 (2002)
• ‘Exponential Gain and Saturation of a Self-Amplified Spontaneous Emission Free-Electron Laser,’ Science 292, 2037-2041 (2001).

Ultrfast dynamics in nanomaterials

Ultrfast dynamics in strongly correlated material including multiferroics and collosal magnetoresistive materials

Development of ultrafast light sources inlcuding THz and x-rays

Laser mater interation

BS: Peking Universtiy

Ph.D, Shanghai Institute of Optics and Fine Mechnics, Academia Sinica

Beam line operation and optics setup

Laser operation and optical physics

Time reolved research