Publications 2010

  • B. Witzigmann:
    Non-Equilibrium Green's Functions for Optoelectronics.
    CECAM workshop on Empirical methods in semiconductor nano-structures design and modelling, Manchester, UK, June 21-25 2010 (Invited Talk).
  • B. Witzigmann:
    Multi-Physics Modeling of active Photonic Devices.
    8th International SAOT Workshop on Computational Optics, Erlangen, Germany, April 18-19, 2010 (Invited Talk) .
  • J. Kupec, S. Yu, and B. Witzigmann:
    Zonal efficiency limit calculation for nanostructured solar cells.
    SPIE Photonics West, Physics and Simulation of Optoelectronic Devices XVII, San Francisco, US, January 2010.
  • M. Hoffmann, Y. Barbarin, W.P. Pallmann, D.J.H.C. Maas, P. Kreuter, B. Witzigmann, M. Golling, T. Südmeyer and U. Keller:
    Simulation, Design, and Characterization of Electrically-Pumped VECSELs for Future Passive Modelocking.
    CLEO Conference, San Jose, US, May 2010.
  • J. Kupec, R. Stoop, and B. Witzigmann:
    Light Absorption and Emission in Nanowire Solar Cells.
    Optics Express, Vol. 18, No. 26, p. 27589-27605, 2010.
  • H.V. Baghdasaryan, T.M. Knyazyan, T.H. Baghdasaryan, B. Witzigmann, and F. Roemer:
    Absorption loss influence on optical characteristics of multilayer distributed Bragg reflector: wavelength-scale analysis by the method of single expression.
    Opto-Electronics Review, 18, 4, 438-445, 2010.
  • B. Gallinet,M.-A. Dupertuis, J. Kupec, and B. Witzigmann:
    Analysis of photonic crystal defect modes by maximal symmetrization and reduction.
    J. Opt. Soc. Am. B, Vol. 27, No. 7, July 2010.
  • Christoph Bocklin, Ratko G. Veprek, Sebastian Steiger, and Bernd Witzigmann:
    Computational study of an InGaN/GaN nanocolumn light-emitting diode.
    Phys. Rev. B, 81, 155306, 2010.
  • J. Rass, T. Wernicke, W. Scheibenzuber, U.T. Schwarz, J. Kupec, B. Witzigmann, P. Vogt, S. Einfeldt, M. Weyers, and M. Kneissl:
    Polarization of eigenmodes in laser diode waveguides on semipolar and nonpolar GaN.
    Phys. Stat. Sol. RRL 4, No. 1, 1-3, 2010.
  • W. Scheibenzuber, U. Schwarz, R. Veprek, B. Witzigmann, and A. Hangleiter:
    Optical anisotropy in semipolar (Al,In)GaN laser waveguides.
    physica status solidi (c), 7: 1925–1927, 2010.
  • B. Witzigmann, F. Roemer, and M. Deppner:
    Microscopic Modeling and Analysis of III-Nitride Nanorod Light Emitting Diodes.
    International Workshop on Nitride semiconductors (IWN2010), Tampa, USA, Sept. 2010 (Invited Presentation).
  • B. Witzigmann:
    Computational Optoelectronics for Design and Analysis.
    EMTS 2010, 20th International Symposium on Electromagnetic Theory Berlin, Germany, August, 2010 (Invited Plenary Talk).
  • S. Yu, J. Kupec, and B. Witzigmann:
    Electro-Optical Modeling of InP Nanowire Solar Cells: Core-shell vs. Axial Structure.
    NUSOD conference, Atlanta, US, Sept. 2010 (nominated for best student award).
  • F. Roemer, M. Deppner, and B. Witzigmann:
    Physics-Based Simulation of a Core-Multishell Nanowire Light Emitting Diode.
    NUSOD conference, Atlanta, US, Sept. 2010.
  • U. Akcakoca, R. Marklein, J. Kupec, B. Witzigmann, and H. Hillmer:
    Electromagnetic Analysis of Polarization and Frequency Selective Tunable Optical MEMS.
    NUSOD conference, Atlanta, US, pp.81-82, Sept. 2010.
  • M. Strassburg, W. Bergbauer, Ch. Kölper, M. Sabathil, H.-J. Lugauer, P. Rode, S. Fündling, S.F. Li, H.-H. Wehmann, A. Waag, C. Roder, J. Lähnemann, A. Trampert, B. Witzigmann:
    Position Controlled Growth of (In,Ga)N Nanorods: Growth Mechanisms and Optical Properties.
    International Workshop on Nitride semiconductors (IWN2010), Tampa, USA, Sept. 2010.
  • J. Rass, T. Wernicke, L. Redaelli, J. Kupec, B. Witzigmann, M. Brendel, A. Hangleiter, S. Einfeldt, P. Vogt, M. Weyers, and M. Kneissl:
    Gain anisotropy of laser diodes on nonpolar and semipolar GaN.
    International Workshop on Nitride semiconductors (IWN2010), Tampa, USA, Sept. 2010.
  • H. Meier, D. Dolgos, M. Blaser, and B. Witzigmann:
    Investigation of Gain-Bandwidth Limitations in Separate Absorption, Charge and Multiplication InAlAs / InGaAs Avalanche Photodiodes using Frozen Field Monte Carlo Simulations.
    Integrated Photonics Research, Silicon and Nano Photonics (IPR) Workshop, Monterey, USA, July 2010.