2014

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Publications 2014

  • F. Römer and B. Witzigmann, Effect of Auger recombination and leakage on the droop in InGaN/GaN quantum well LEDs, Optics Express, Oct 2014, 22, 6 pp. 1440-1452.

  • A. Jamali, and B. Witzigmann, Plasmonic perfect absorbers for biosensing applications, Plasmonics, May 30, 2014.

  • V. Jain, A. Nowzari, J. Wallentin, M. Borgström, M. Messing, D. Asoli, M. Graczyk, B. Witzigmann, F. Capasso, L. Samuelson, and H. Pettersson, Study of photocurrent generation in InP nanowire based p-i-n photodetectors, Nano Research 2014, 7(4), 544-552.

  • M. Krause, K. Mayer, U. Effner, Ultrasonic Echo Methods for Structural Timber, COST Workshop - Highly Performing Timber Structures: Reliability, Assessment, Monitoring and Strengthening, 23-24 September 2014; Bern University of Applied Sciences, published in Conference proceedings.
  • Schulze, S., Krause, M. and K. Mayer, Practical and hands-on investigation of prestressed concrete structures using ultrasonic echo imaging techniques, Bauwerksdiagnose, Berlin, 13-14 February 2014.
  • Schulze, S., Krause, M., Mayer, K., Redmer, B. and H. Wiggenhauser,
    Grouting Defects Localized by Ultrasonic Testing Including Phase Evaluation, Proceedings of the ASNT Topical Conference, NDE/NDT for Highways and Bridges, Structural Materials Technology (SMT), Washington, DC, USA, 25-27.08.2014, Paper online, pp. 321-328 (2014).
  • A. Jamali, and B. Witzigmann, Plasmonic Perfect Absorber (PPA) for biosensing: a theoretical modal analysis for angular sensitivity, META-14 META"14, the 5th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Singapore, June 2014.
  • A. Engelhardt, J. Kolb, F. Römer, U. Weichmann, H. Mönch, B. Witzigmann, Temperature dependent investigation of carrier transport, injection, and concentrations in 808nm AlGaAs multi-quantum-well active layers for VCSELs, SPIE Photonics Europe, Brussels, May 2014.
  • C. Zaugg, B. Tilma, M. Golling, M. Mangold, I. Dahhan, B. Witzigmann, U. Keller, SESAM-modelocked electrically pumped VECSELs emitting 6.3-ps pulses, SPIE Photonics West 2014, San Francisco, USA, Jan. 2014.
  • Holger Moench, Johanna S. Kolb, Andreas P. Engelhardt, Philipp Gerlach, Roland Jaeger, Jens Pollmann-Retsch, Ulrich Weichmann and Bernd Witzigmann, Optimized VCSELs for high power arrays, SPIE Photonics West 2014, San Francisco, USA, Jan. 2014.
  • B. Witzigmann, M. Bettenhausen, M. Mewes, and H. Fülle, and F. Römer, Simulation of Water Photo Electrolysis with III-Nitride Semiconductor Nano Wires, SPIE Photonics West Conference, San Francisco, 2014.
  • B. Witzigmann, Efficiency Analysis of Nanowire Array Light Emitting Diodes, 2014 International Conference on Electromagnetics in Advanced Applications (ICEAA), Aruba, 2014.
  • B. Witzigmann, III-nitride based Nanowire Arrays: Simulation of Electrical and Optical Properties, EMRS Spring Conference, Strasbourg, 2014.
  • B. Witzigmann, Nanowire Arrays for Photovoltaics and Energy Harvesting: a theoretical Performance Assessment, ISCS Conference 2014, Montpellier, France.
  • F. Römer, M.  Deppner, C. Range, and B. Witzigmann, Auger carrier leakage in III/nitride LEDs, SPIE Photonics West Conference, Jan. 2014, San Francisco, USA.
  • B. Witzigmann, Simulation of Nanowire Arrays for Lighting and Energy Harvesting, SINANO workshop, Berlin, Oct. 2014.
  • B. Witzigmann, Advanced Modeling of electro optical coupling effects in nano LEDs, NEWLED workshop, Rome, Italy, April 2014.
  • B. Witzigmann, Nanowire Arrays for Photovoltaics and Energy Harvesting: a theoretical Performance Assessment, ISCS Conference 2014, Montpellier, France.