Keshav M. Dani

Keshav Dani
Keshav Dani
MA PhD (UC Berkeley)
BS (Hons) (Caltech)


Okinawa Inst. Of Sci. & Tech., Grad. Univ., Okinawa, Japan
Full Professor, Femtosecond Spectroscopy Unit
Associate Professor, Femtosecond Spectroscopy Unit
Assistant Professor, Femtosecond Spectroscopy Unit
Nov 2023 - Present
Apr 2018 - Oct 2023
Oct 2011 - Mar 2018
Los Alamos National Laboratory, Los Alamos, NM
Directors Post-doctoral Fellow at the Center for Integrated Nanotechnologies
Sep 2007 – Aug 2011
Lawrence Berkeley National Laboratory, Berkeley, CA
Post-doctorate in Material Science Division
Sep 2006 – Aug 2007


University of California at Berkeley, Berkeley, CA
M.A., Ph.D. in Physics
Aug 2000 – Sep 2006
California Institute of Technology, Pasadena, CA
B.S. with Honors in Mathematics
Sep 1997 – Jun 2000

Selected Honors And Awards

  • 20th JSPS Prize, Japanese Society for Promotion of Science (JSPS) 2023
  • Winner, Breakthrough in Physical Sciences, Falling Walls Foundation, 2023
  • Outstanding Editor, Light: Science & Applications, 2022
  • Director’s Postdoctoral Fellowship, Los Alamos National Lab, 2007
  • Steven Chu Award, American Physical Society, California section, 2005
  • Eric Temple Bell Prize, Caltech, 2000
  • Honorable mention, First-Step to Nobel Prize in Physics, Polish Academy of Sciences, 1992

Selected Publications

Selected Invited Talks​

  • Exciton dynamics in momentum space
    Tutorial, Conference on Lasers and Electro‐Optics (CLEO), San Jose, May 2023.
  • Probing excited state and charge transfer dynamics at 2D interfaces
    MRS Spring Meeting, San Francisco, Apr 2023.
  • Imaging photoexcited phenomena in real and momentum space
    Materials Science and Engineering (MSE) Colloquium, Stanford University, USA, Apr. 2022.
  • Imaging the internal particles of excitons in 2D semiconductors
    Physical Society of Japan (JPS), Spring Meeting, online, Mar. 2022.
  • Tracing the dynamics of excitons using time‐ and angle‐resolved photoemission spectroscopy
    American Physical Society March Meeting, Chicago, USA, Mar. 2022.
  • Understanding the role of nanoscale defect clusters in hybrid perovskite photovoltaics with time-resolved photoemission electron microscopy
    NanoGe Spring Meeting 2022, Malaga, Spain, Mar. 2022.
  • Visualizing Dark Exciton Wavefunctions with Ultrafast u‐ARPES
    Hot Topics in Ultrafast Science, Ultrafast Optical Phenomena Technical Group, OSA, Jun. 2021.
  • Using time‐resolved XUV ARPES to probe excitons
    Chez Pierre Condensed Matt. Physics Seminar, MIT, USA, May 2021.
  • Probing the dark side of the exciton with time‐resolved ARPES
    Quantum Materials and Devices Seminar, Harvard, USA, Apr. 2021.
  • Imaging the motion of charge with time‐resolved Photoemission Electron Microscopy
    Conference on Lasers and Electro‐Optics, San Jose, May 2019.
  • Cinematography of Charge: Making movies of electrons in motion in 2D semiconductors
    MRS Fall Meeting, Boston, USA, Dec. 2017.
  • Imaging the motion of electrons in 2D semiconductor heterostructures
    American Physical Society March Meeting, New Orleans, USA, Mar. 2017.
  • Time-Resolved Photoemission Microscopy of Semiconductor Heterostructures
    SPIE Photonics West, San Francisco, USA, Feb. 2017.
  • Sub-picosecond optical switching with a negative index metamaterial.
    March Meeting, American Physical Society, Portland, OR, USA, Mar. 2010.
  • Ultrafast spectroscopy of the Quantum Hall system.
    Ultrafast Phenomena in Co-operative Systems, Gordon Research Conference, ITALY, Feb. 2008.