Dr. Robert Keil

Senior Scientist

Robert Keil

phone office: +43 (512) 507 52558

fax: +43 (512) 507 52599



Department of Experimental Physics
University of Innsbruck
Technikerstr. 25d, Office 01/501
6020 Innsbruck, Austria


Research interests

My primary research field is the dynamics of non-interacting particles, with a special emphasis on the generation of (ideally) indistinguishable photons and their interference in waveguide structures. Please have a look at my project page for more information on this.

My further research interests are experimental tests of quantum mechanics via precision interferometry (see the topic multi-path interference on our group page), the development of photon sources for quantum-enhanced spectroscopy and photonic quantum simulation as well as emulation of quantum phenomena with classical light.


Winter term 2019/20:

Summer term 2019:

  • Vorlesung: Laserphysik, Laserspektroskopie und Photonik VO 704802

Summer term 2018:

  • Lecture (DK-ALM): Special topics in AMO physics - Analytical and numerical methods for classical optics VU 744947


My most recent publications are:

  • R. Keil, The right platform for the job, Nat. Phys. 15, 879 (2019), DOI: 10.1038/s41567-019-0591-8
  • C. Dittel, G. Dufour, M. Walschaers, G. Weihs, A. Buchleitner, R. Keil, Totally Destructive Many-Particle Interference, Phys. Rev. Lett. 120, 240404 (2018), DOI: 10.1103/PhysRevLett.120.240404
  • C. Dittel, G. Dufour, M. Walschaers, G. Weihs, A. Buchleitner, R. Keil, Totally Destructive Interference for Permutation-Symmetric Many-Particle States, Phys. Rev A 97, 062116 (2018), DOI: 10.1103/PhysRevA.97.062116
  • G. Dufour, T. Brünner, C. Dittel, G. Weihs, R. Keil, and A. Buchleitner, Many-particle interference in a two-component bosonic Josephson junction: an all-optical simulation, New J. Phys. 19, 125015 (2017), DOI: 10.1088/1367-2630/aa8cf7
  • T. Kauten, R. Keil, T. Kaufmann, B. Pressl, and G. Weihs, Obtaining tight bounds on higher-order interferences with a 5-path interferometer, New J. Phys. 19, 033017 (2017), DOI: 10.1088/1367-2630/aa5d98
  • C. Dittel, R. Keil, G. Weihs, Many-body quantum interference on hypercubes, Quantum Sci. Technol. 2, 015003 (2017),  DOI: 10.1088/2058-9565/aa540c

For a complete list of publications, please see ORCID ID: 0000-0003-1198-9961 or Researcher ID: J-2546-2014

Current Funding

FWF stand-alone project P 30459 “Many-particle interference in symmetric scattering scenarios” [project page]

Previous Funding

FWF Lise-Meitner Fellowship M 1849 “Fundamental tests of quantum mechanics in optical waveguides” (09/2015 - 08/2017)

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