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Loïck Magnin


Email: lmagnin (at) ulb.ac.be

! Fax:

+32-2-650 29 41
Address: ULB - QuIC
Av. F.D. Roosevelt 50 - CP165/59
B-1050 Bruxelles

Short biography

  • Born in Valence (France) in 1983.
  • In September 2004, I began to study fundamental computer science at the École Normale Supérieure de Lyon and got my master in july 2007.
  • Since September 2007, I am working on a PhD thesis at both, the Center for Quantum Information and Communication of the University of Brussels (ULB) and the Laboratoire de Recherche en Informatique (LRI)
  • in Orsay (France)
  • I am a member of the GT-IQ

Research interests

  • Quantum Information Theory
  • Quantum Computing
  • Quantum Information Processing with Continuous Variables
  • Quantum Key Distribution with Continuous Variables
  • Quantum Kolmogorov Complexity


  • 2008-2009 : TP IF1 (Programmation) à l'université Diderot (Paris 7)
  • 2007-2008 : TP (H300) thérorie de l'information, École Polytechnique, Université Libre de Bruxelles.
  • 2007 : TD en INF311 à l'École Polytechnique (France)



Two-player interaction in quantum computing: cryptographic primitives & query complexity,
L. Magnin
Ph.D. Thesis, Université Libre de Bruxelles and Université Paris-Sud,
PDF file

Symmetry-assisted adversaries for quantum state generation,
A. Ambainis, L. Magnin, M. Roetteler, and J. Roland
Proceedings of the 26th Annaul IEEE Conference on Computational Complexity (CCC'11) Pages 167-177,
PDF file, arXiv:1012.2112 [quant-ph]


Continuous-variables quantum algorithms for black-box problems,
N. J. Cerf, P. Høyer, L. Magnin and B. C. Sanders
3rd Workshop on Physics and Computation

Strong no-go theorem for Gaussian quantum bit commitment,
L. Magnin, F. Magniez, A. Leverrier, and N. J. Cerf,
Phys. Rev. A 81 (2010) 010302 (R).
PDF file, arXiv:0905.3419 [quant-ph]


J. Sudjana, L. Magnin, R. Garcia-Patron, N. J. Cerf,
Tight bounds on the eavesdropping of a continuous-variable quantum cryptographic protocol with no basis switching,
Phys. Rev. A 76, 052301 (2007) (9 pages)
PDF file, arχiv: quant-ph/0706.4283