William Guerin

William Guerin




   William Guerin                      

    CNRS researcher in the cold-atom team

Research interests

 Main current projects:

  • Intensity correlations for astrophysics (since 2015)
  • Cooperative scattering of light in cold atoms (since 2013)

 Past projects:

  • Random laser in cold atoms (2007-2016)
  • Photonic properties of ordered cold atoms: band gaps and DFB laser (2010-2012)
  • Lévy flights of light in hot vapors (2008-2009)
  • Bose-Einstein condensation and atom laser (2003-2007)


 Brief CV

Born 1st November 1980


  • 2007: PhD in physics, Université Paris-Sud (Orsay, France). Supervisor: Alain Aspect.
  • 2003: Master degree "Optics and photonics", Université Paris-Sud (Orsay, France).
  • 2003: Engineering degree from Institut d’Optique (Palaiseau, France).
  • 1998: Baccalauréat (High school degree), science major.


  • Since Oct. 2012: CNRS Research Associate at INPHYNI (formerly INLN).
  • Jan. 2010 – Aug. 2012: Post-doc (project leader) at Tübingen University (Germany) in the group of Claus Zimmermann. Fellow of the Alexander von Humboldt Foundation.
  • June 2007 – Sept. 2009: Post-doc at INLN in the group of Robin Kaiser.
  • Oct. 2003 – May 2007: PhD student at Institut d'Optique (Palaiseau, France) in the group of Alain Aspect and Philippe Bouyer.

Grants (personal or as PI)

  • 2018: Research grant of Fédération Doeblin, project "Synchronization between distant sites for intensity correlation measurements in astrophysics" (4.5 k€).
  • 2017: Research grant of Université Côte d'Azur (IDEX), project "Intensity Correlations: from Atoms to Stars" (28 k€).
  • 2014: Research grant of Université Nice Sophia-Antipolis (CSI), project "Subradiance in Cold Atoms with Disorder" (5 k€).
  • 2012: Post-doc grant of the Carl Zeiss Foundation (160 k€ for two years). I declined to take the CNRS position.
  • 2009: Post-doc grant of the Alexander von Humboldt Foundation (two years: 2010 – 2011).
  • 2003: PhD grant of the DGA (three years: 2003 – 2006).


For citation data, see my ResearcherID.

Quick links to publication years: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005



  • Optical-depth scaling of light scattering from a dense and cold atomic 87Rb gas
    K. J. Kemp, S. J. Roof, M. D. Havey, I. M. Sokolov, D. V. Kupriyanov, W. Guerin
    Preprint: arXiv:1807.10939


  • Robustness of Dicke subradiance against thermal decoherence
    P. Weiss, A. Cipris, M. O. Araújo, R. Kaiser, W. Guerin
    Phys. Rev. A, in press (2019), preprint: arXiv:1906.02918 

  • Dressed dense atomic gases
    I. Lesanovsky, B. Olmos, W. Guerin, R. Kaiser
    Phys. Rev. A, in press (2019), preprint: arXiv:1902.02989

  • Comparison of three approaches to light scattering by dilute cold atomic ensembles
    I. M. Sokolov, W. Guerin
    J. Opt. Soc. Am. B 36, 2030 (2019), preprint: arXiv:1902.04289










  • Raman process under condition of radiation trapping in a disordered atomic medium
    L.V. Gerasimov, V. M. Ezhova, D. V. Kupriyanov, Q. Baudouin, W. Guerin, R. Kaiser
    Phys. Rev. A 90, 013814 (2014), preprint: arXiv:1401.6641.
  • Cold and hot atomic vapors: a testbed for astrophysics?
    Q. Baudouin, W. Guerin, R. Kaiser
    in Annual Review of Cold Atoms and Molecules, vol. 2, edited by K. Madison, K. Bongs, L. D. Carr, A. M. Rey, and H. Zhai
    World Scientific, Singapour, 2014
    Preprint: hal-00968233





  • Photonic properties of one-dimensionally-ordered cold atomic vapors under conditions of electromagnetically induced transparency
    A. Schilke, C. Zimmermann, W. Guerin
    Phys. Rev. A 86, 023809 (2012), preprint: arXiv:1206.2622.



  • Quasicontinuous horizontally guided atom laser: coupling spectrum and flux limits
    A. Bernard, W. Guerin, J. Billy, F. Jendrzejewski, P. Cheinet, A. Aspect, V. Josse, P. Bouyer
    New J. Phys. 13, 065015 (2011), preprint: arXiv:1012.2971.









  • Source atomique cohérente dans des pièges optique et magnétique: réalisation d'un laser à atomes guidé
    Ph. D. thesis of Université Paris Sud 11 (Orsay, France); Superviser: Alain Aspect
    Available (in French) at  http://tel.archives-ouvertes.fr/tel-00146375/.





  • Partially ferromagnetic electromagnet for trapping and cooling neutral atoms to quantum degeneracy
    M. Fauquembergue, J.-F. Riou, W. Guerin, S. Rangwala, F. Moron, A. Villing, Y. Le Coq, P. Bouyer, A. Aspect, M. Lécrivain
    Rev. Sci. Instrum. 76, 103104 (2005), preprint: arXiv:0507129.