Keshav M. Dani

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


Okinawa Inst. Of Sci. & Tech., Grad. Univ., Okinawa, Japan
Associate Professor, Femtosecond Spectroscopy Unit
Assistant Professor, Femtosecond Spectroscopy Unit
Apr 2018 - Present
Nov 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

  • 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

  • M. K. L. Man, A. Margiolakis, S. Deckoff-Jones, T. Harada, E L. Wong, M. B. M. Krishna, J. Madéo, A. Winchester, S. Lei, R. Vajtai, P. M. Ajayan and K. M. Dani, Imaging the motion of electrons across semiconductor heterojunctions, Nat. Nanotechnol. 12, 36 (2017).
  • C. E. Petoukhoff, M. B. M. Krishna, D. Voiry, I. Bozkurt, S. Deckoff-Jones, M. Chhowalla, D. M. O'Carroll, and K. M. Dani. Ultrafast charge transfer and enhanced absorption in MoS2 - organic van der Waals heterojunctions using plasmonic metasurfaces, ACS Nano 10, 9899 (2016).
  • B. M. K. Mariserla, M. K. L. Man, S. Vinod, C. Chin, T. Harada, J. Taha-Tijerina, C. S. Tiwary, P. Nguyen, P. Chang, T. N. Narayanan, A. Rubio, P. M Ajayan, S. Talapatra and K. M. Dani, Engineering photophenomena in large, three dimensional structures composed of self-assembled van der Waals heterostructure flakes, Adv. Opt. Materials 3, 1551 (2015).
  • J. Madeo, A. Margiolakis, Z.-Y. Zhao, P. J. Hale, M. K. L. Man, Q.-Z. Zhao, W. Peng, W.-Z. Shi and K. M. Dani, Ultrafast properties of femtosecond-laser-ablated GaAs and its application to terahertz optoelectronics, Opt. Lett 40 (14), 3388-3391 (2015).
  • K. M. Dani, Z. Ku, P. C. Upadhya, R. P. Prasankumar, S.R.J. Brueck and A. J. Taylor, Subpicosecond optical switching with a negative index metamaterial, Nano Lett. 9 (10), 3565-3569 (2009).
  • K. M. Dani, J. Tigon, M. Breit, D.S. Chemla, E. G. Kavousanaki and I.E. Perakis, Ultrafast dynamics of coherences in a quantum Hall system, Phys. Rev. Lett. 97, 057401 (2006).

Selected Invited Talks

  • Imaging the motion of electrons in 2D semiconductor heterostructures.
    March Meeting, American Physical Society, New Orleans, LA, USA, Mar. 2017.
  • Time-resolved photoemission of semiconductor heterostructures.
    SPIE Photonics West, OPTO 2017 Conference, San Francisco, CA, USA, Feb. 2017.
  • Time resolved photoemission electron microscopy of nanoscale semiconductor heterojunctions.
    TERAMETANANO-2016, International Conference on Terahertz Emission, Metamaterials, and Nanophotonics, Cartagena, Colombia, Apr. 2016.
  • Terahertz spectroscopy of photocatalytic titanium dioxide films. 
    2nd Intl. Symposium on Microwave/Terahertz Science and Applications, Shanghai, China, Jul. 2013.
  • Ultrafast spectroscopy of graphene and carbon based nanostructures.
    Crystal & Graphene Science Symposium, Waltham, MA, USA, Sept. 2012.
  • Sub-picosecond optical switching with a negative index metamaterial.
    March Meeting, American Physical Society, Portland, OR, Mar. 2010.
  • Ultrafast spectroscopy of the Quantum Hall system. 
    Ultrafast Phenomena in Co-operative Systems, Gordon Research Conference, Italy, Feb. 2008.