Credentials
Education
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March 2005 – August 2008, Physicist Postdoctoral Fellow, Materials Sciences Division, Lawrence Berkeley National Laboratory
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August 2006, Ph.D., Rice University
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May 2002, M.S., Rice University
- July 2000, B.S., Physics, Jilin University, P. R. China
Professional Appointments
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July 2017 – present, Professor, Department of Physics and Astronomy, Iowa State University
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February 2019 – present, Senior Scientist in Materials Science and Engineering Division Team Leader of Light-Matter Quantum Control
Ames National Laboratory of US Department of Energy
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August 2013 – June 2017, Associate Professor, Department of Physics and Astronomy, Iowa State University
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August 2008 – March 2013, Assistant Professor, Department of Physics and Astronomy Iowa State University
- August 2008 – February 2019, Associate Staff Scientist in Materials Science and Engineering Division Ames National Laboratory, US Department of Energy
Honors & Awards
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2024 OPTICA Fellow (formerly the Optical Society of America),
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2021 APS Fellow
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2020 University Award for Mid-Career Achievement in Research, Iowa State University
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2018 F. Wendell Miller Professor, College of Liberal Arts and Sciences, Iowa State University
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2015-2017 Ames National Laboratory Inventor Incentive Award
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2016 The M. W. Keck Award for Extreme Quantum Terahertz Nanoscope
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2011 National Science Foundation Faculty Early Career Development (CAREER) Award
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2011 LAS Award for Early Achievement in Research, Iowa State University
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2007 Luis Alvarez Award for Best Experimental Research, American Physical Society, 2007 California Section
- 2006 Top Ten Papers of 2006, Journal of Physics: Condensed Matter
Areas of Expertise
- Driven quantum systems, coherent dynamics, ultrafast spectroscopy, and nano-imaging of complex materials.
- Ultrafast laser spectroscopy, magneto-topical spectroscopy and microscopy techniques, spanning from far-infrared to ultraviolet, that allow for the simultaneous space, energy and time visualization of coherent effects and correlation phenomena.
- Customer-build laser-based scanning probe microscopies under extreme environments of high magnetic field and cryogenic temperature.
Research
Research Interests
- I investigate diverse light-driven coherent and non-equilibrium quantum systems from superconducting, magnetic, and topological materials to nano-junctions and quantum circuits.
- The scientific driver is to both provide a fundamental understanding of quantum many-body correlations out-of-equilibrium and achieve coherent light-matter control at quantum limit. I implement this vision by developing cutting-edge ultrafast, coherent spectroscopy and nano-imaging tools over a wide frequency spectrum, spanning from terahertz, infrared to ultraviolet.
- Some of my achievements in studies of light-driven quantum materials are summarized in my APS fellow citation – “For his study of coherent excitations and out-of-equilibrium topological and magnetic phenomena, especially his discoveries of light-induced Weyl and Dirac semimetals and Higgs modes in Iron-based superconductors.”
- Some of my other contributions are summarized in my OPTICA fellow citation – “For outstanding contributions to ultrafast spectroscopy and pioneering development of ultralow cryogenic magneto-THz microscopy, unveiling significant discoveries of light-matter quantum coherent phenomena.”
Patents
- January 2015 Broadband Terahertz Generation of Metamaterials, #8,054,146