Keshav M. Dani

Associate Professor

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

kmdani

USA

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

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

Experimental measurement of the intrinsic excitonic wave function, Science Advances 7 (17), eabg0192 (2021).
Directly visualizing the momentum-forbidden dark excitons and their dynamics in atomically thin semiconductors, Science 370 (6521), 1199 (2020).
Performance-limiting nanoscale trap clusters at grain junctions in halide perovskites, Nature 580, 360 (2020).
Pulling apart photoexcited electrons by photoinducing an in-plane surface electric field, Science Advances 4, eaat9722 (2018).
Imaging the motion of electrons across semiconductor heterojunctions, Nat. Nanotechnol. 12, 36 (2017).
Subpicosecond optical switching with a negative index metamaterial, Nano Lett. 9 (10), 3565-3569 (2009).
Ultrafast dynamics of coherences in a quantum Hall system, Phys. Rev. Lett. 97, 057401 (2006).

Observing momentum-forbidden dark excitons in monolayer WSe₂ via time-, space and angle-resolved photoemission spectroscopy.
Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKS 15), Univ. of Munster, Germany, Sept. 2020.
The quantum mechanical origins of the trauma of sudden separation.
Fundamental Optical Processes in Semiconductors (FOPS 2019), Banff Centre, Banff, Canada, Aug. 2019.
Imaging the motion of charge with time-resolved photoemission electron microscopy.
Optical Excitation and Ultrafast Phenomena in Condensed Matter, CLEO 2019, San Jose, CA, USA, May 2019.
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.
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.