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Christophe COUTEAU


Contact details

Laboratory Light, nanomaterials & nanotechnologies - L2n University of Technologie of Troyes (UTT) & CNRS EMR 7004 12, rue Marie Curie 10000 Troyes France
Personal Website


  • Since September 2019 : Director of the Laboratory Light, nanomaterials & nanotechnologies - L2n, CNRS EMR 7004
  • September 2012 to September 2016 : CINTRA UMI CNRS-NTU-Thales, Singapore. CNRS researcher.
  • December 2012 to September 2016 : School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore. Adjunct assistant Professor.
  • Since december 2008 : Laboratory For Nanotechnologies, Instrumentation and Optics (LNIO), French University of Technology of Troyes (UTT). Assistant Professor.
  • July 2008 - december 2008 : Institute for Quantum Computation (IQC), University of Waterloo, Canada. Research Assistant Professor.
  • January 2006 - june 2008 : Institute for Quantum Computation (IQC), University of Waterloo, Canada. Post-doctorate fellow.
  • September 2002 - December 2005 : Laboratoire de Spectrométrie Physique, Grenoble Alpes and University of Paris-Saclay, France. Doctorate in Physical Sciences.
  • September 2000 - June 2002 : Centre for Quantum Computation (CQC), Clarendon Laboratory, University of Oxford, Great-Britain. Research Assistant.
  • 2017: Research habilitation in Experimental Physics, Sorbonne University, Paris.
  • 2005: Doctorate in Physical Sciences, University of Paris-Saclay and University of Grenoble-Alpes.
  • 2000: DEA/Master degree in "Lasers and Matter" and Magistère in fundamental physics, University of Paris-Saclay.
  • 1994: Baccalauréat, scientific stream, Gien.


quantum optics    
physics of semiconductors 
non-linear optics
low-temperature solid state
quantum information
quantum cryptography

Research projects

  • Integrated quantum photonics
  • Quantum optics and metamaterials
  • Single photon sources
  • Multifunctionnal ZnO and UV photonics
Significant publications
  • Single germanium vacancy centers in nanodiamonds with bulk-like spectral stability. M. Nahra, D. Alshamaa, R. Deturche, V. Davydov, L. Kulikova, V. Agafonov, and C. Couteau. AVS Quantum Sci. 3, 012001 (2021).
  • Towards the Integration of Nanoemitters by Direct Laser Writing on Optical Glass Waveguides. Xiaolun Xu, Aurélie Broussier, Tiziana Ritacco, Mackrine Nahra, Fabien Goeffray, Ali Issa, Safi Jradi, Renaud Bachelot, Christophe Couteau, Sylvain Blaize. Photonics Research, 8, 1541 (2020).
  • Highly photo-stable Perovskite nanocubes: towards integrated single photon sources based on tapered nanofibers. Stefano Pierini, Marianna D'Amato, Mayank Goyal, Quentin Glorieux, Elisabeth Giacobino, Emmanuel Lhuillier, Christophe Couteau, and Alberto Bramati. ACS Photonics 8, 2265 (2020).
  • Hybrid  plasmonic nano-emitters with controlled single quantum emitter positioning on the local excitation field. Dandan Ge, Sylvie Marguet, Ali Issa, Safi Jradi, Hoa Nguyen, Mackrine Nahra, Jéremie Béal, Régis Deturche, Hongshi Chen, Sylvain Blaize, Jérôme Plain, Céline Fiorini, Ludovic Douillard, Olivier Soppera, Quyen Dinh Xuan, Cuong Dang, Xuyong Yang, Tao Xu, Bin Wei, Xiao Wei Sun, Christophe Couteau, and Renaud Bachelot. Nature Communications 11, 3414 (2020).
  • Hybrid plasmonic nanosystem with controlled position of nanoemitters. A. Broussier, A. Issa, L. O. Le Cunff, T. H. Nguyen, X. Q. Dinh, S. Blaize, J. Plain, S. Jradi, C. Couteau and R. Bachelot. Applied Physics Letters 114, 163106 (2019).
  • Spontaneous parametric down-conversion. C. Couteau. Contemporary Physics 59, 291 (2018).
  • Coherent Perfect Absorption in Metamaterials with Entangled Photons. C. Altuzarra, S. Vezzoli, J. Valente, W.B. Gao, C. Soci, D. Faccio, C. Couteau. ACS Photonics 4, 2124-2128 (2017).
  • Quantum super-oscillation of a single photon. G. Yuan, S. Vezzoli, C. Altuzarra, E. T. F. Rogers, C. Couteau and N. I. Zheludev. Light: Science and Applications 5, e16127 (2016). 
  • Localised excitation of a single photon source by a nanowaveguide. W. Geng, M. Manceau, N. Rahbany, V. Sallet, M. De Vittorio, L. Carbone, Q. Glorieux, A. Bramati, C. Couteau. Scientific Reports 6, 19721 (2015).  
  • Coherent perfect absorption in deeply subwavelength films in the single photon regime. T. Roger, S. Vezzoli, E. Bolduc, J. Valente, J. J. F. Heitz, J. Jeffers, C. Soci, J. Leach, C. Couteau, N. Zheludev and D. Faccio. Nature Communications 6,7031 (2015). 
  • GaAs/AlGaAs nanowire photodetector. X. Dai, S. Zhang, Z. Wang, G. Adamo, H. Liu, Y. Huang, C. Couteau, and C. Soci. Nanoletters 14, 2688-2693 (2014). 
  • Efficient Pump Photon Recycling via Gain-Assisted Waveguiding Energy Transfer. R. Aad, C. Couteau, S. Blaize, E. Chastaing, F. Soyer, L. Divay, C. Galindo, P. Le Barny, V. Sallet, C. Sartel, A. Lusson, P. Galtier, L. Rocha, V. Simic, and G. Lérondel. ACS Photonics 1, 246-253 (2014).
  • Waveguiding-assisted random lasing in epitaxial ZnO thin film. P.-H. Dupont, C. Couteau, D. J. Rogers, and G. Lérondel. Applied Physics Letters 97, 261109 (2010).
  • Ruling out multi-order interfence in quantum mechanics. U. Sinha, C. Couteau, T. Jennewein, R. Laflamme, and G. Weihs. Science 329, 418 (2010).
Teaching activities


Date of update 21 janvier 2022