Quantum Information Theory
Group (QIT)














PD  Norbert Lütkenhaus, PhD  

 
Institut für Theoretische Physik I  
Universität Erlangen-Nürnberg  
Staudtstr. 7/B2 
Office 01.501 
91058 Erlangen 
    Tel: + 49-9131-8528375 
    Fax: + 49-9131-13508

Resumé


  • Study in Physics, RWTH Aachen and LMU Munich
  • Diploma Thesis in General Relativity (Prof. J. Ehlers)
  • Postgraduate studies in Physics at University of Strathlclyde, Glasgow
  • PhD thesis on quantum cryptography and generalized measurements (Prof. S. M. Barnett)
  • Postdoc Univ. Innsbruck (Prof. P. Zoller)
  • Postdoc Helsinki Institute of Physics (Prof. K.-A. Suominen)
  • Project Leader MagiQ Technologies, New York
  • Habilitation, Univ. Erlangen-Nürnberg
  • Since September 2001 leader of  an Emmy-Noether Research Group in Erlangen. 
     




Research interests


Quantum Information Theory
Quantum Cryptography, especially Quantum Key Distribution with realistic systems, Optimal State Estimation
Generalized Measurements
Quantum Optics
Implementation of Generalized Measurements
Phase-space methods
Optics with linear optical elements




Publications

  • 2004
    • P. van Loock and N. L, Simple criteria for projective measurements with linear optics,
      Physical Review A, Vol 69, 012302 (2004).
      quant-ph/0304057

    • N. L, Quantum Key Distribution: How Do We Know It's Secure?
      Optics & Photonics News, Vol 15 No. 3, March 2004.

    • K. Tamaki and N.L., Unconditional security of the Bennett 1992 quantum key distribution protocol over lossy and noisy channel,
      Physical Review A, Vol 69, 032316 (2004).
      quant-ph/0309048

    • M. Curty and N.L., Practical quantum key distribution: On the security evaluation with inefficient single-photon detectors
      Physical Review A, Vol 69, 042321 (2004).
      quant-ph/031166

    • S. Scheel and N.L., Upper bounds on success probabilities in linear optics
      New J. Phys. Vol.6, 51 (2004).

      quant-ph/0403103

    • M. Curty, M. Lewenstein and N.L., Entanglement as precondition for secure quantum key distribution,
      Physical Review Letters, Vol. 92, 217903 (2004),
      quant-ph/0307151

    • D. Gottesman, H.-K. Lo, N.L., and J. Preskill, Security of quantum key distribution with imperfect devices,
      Quantum Information and Computation Vol.4, 325-360 (2004)
      quant-ph/0212066

    • M. Takeoka, M. Sasaki, P. van Loock and N.Lütkenhaus, Quantum state Discrimination with Linear Optics and Continuous Measurement,
      In Proceedings of the Seventh International Conference on Quantum Communication, Measurement and Computing QCMC 2004, held July 25-29, 2004 in Glasgow, UK, Pages 67-71, American Institute of Physics, New York, 2004.

    • Ph. Raynal, P. van Loock and N.Lütkenhaus, Criteria for the Implementation of Projective Measurements in Quantum Optics,
      In Proceedings of the Seventh International Conference on Quantum Communication, Measurement and Computing QCMC 2004, held July 25-29, 2004 in Glasgow, UK, Pages 91-95, American Institute of Physics, New York, 2004. PDF file

    • S. Scheel and N.Lütkenhaus, Upper Bounds on Success Probabilities in Linear Optics,
      In Proceedings of the Seventh International Conference on Quantum Communication, Measurement and Computing QCMC 2004, held July 25-29, 2004 in Glasgow, UK, Pages 175-179, American Institute of Physics, New York, 2004. PDF file

    • M. Curty, O. Gühne, M. Lewenstein and N.Lütkenhaus, Quantum Correlations for Quantum Key Distribution Protocols,
      In Proceedings of the Seventh International Conference on Quantum Communication, Measurement and Computing QCMC 2004, held July 25-29, 2004 in Glasgow, UK, Pages 307-311, American Institute of Physics, New York, 2004. PDF file



  • 2005
    • M. Curty, O. Gühne, M. Lewenstein and N.Lütkenhaus, Detecting two-party quantum correlations in quantum key distribtution protocols,
      Physical Review A, Vol. 71, 022306 (2005)
      quant-ph/0409047

    • M. Takeoka, M. Sasaki, P. van Loock, N.Lütkenhaus, Implementation of projective measurements with linear optics and continuous photon counting,
      Physical Review A, Vol. 71, 022318 (2005)
      quant-ph/0410133
    • M. Curty, O. Gühne, M. Lewenstein and N.Lütkenhaus, Detecting quantum correlations for quantum key distribtution,
      Proceedings accepted for the conference "Quantum Optics and Applications in Computing and Communications II" at the Photonics Asia 2004 PDF file

    • M. Curty, N.Lütkenhaus, Intercept-resend attacks in the Bennett-Brassard 1984 quantum key distribution protocol with weak coherent pulses,
      Accepted for publication in Physical Review A (2005)
      quant-ph/0411041

    • M. Curty, O. Gühne, M. Lewenstein and N.Lütkenhaus, Quantum Correlations as Basic Resource for Quantum Key Distribution
      in Quantum Information Processing. Second Edition (ISBN 3-527-40541-1) , T. Beth, G. Leuchs (editors), Wiley-CH, Weinheim, 2005.
       



  • Manuscripts
    • H. Inamori, N.Lütkenhaus, and D. Mayers, Unconditional Security for Practial Quantum Key Distribution,
      quant-ph/0107017
    • Ph. Raynal and N.Lütkenhaus, Optimal Unambiguous State Discrimination of two density matrices and its link with the Fidelity,
      quant-ph/0502165
    • (Accepted for publication in Phyiscal Review A.)
  • See Complete list of publications .

  •  
    Quantum Information Theory Group (QIT)
    Page last modified: Thursday, 10-March-2005.