• M. Dems, I.-S. Chung, P. Nyakas, S. Bischoff, K. Panajotov, Modelling of Photonic-Crystal VCSELs with Semi-Vectorial and Vectorial Models, International Conference on Optical Transparent Networks, ICTON 2011, Czerwiec 2011
  • M. Dems, K. Panajotov, True Photonic Band Gap in Vertical Cavity Surface Emitting Lasers, Low Dimensional Structures and Devices, LDSD 2011, Maj 2011
  • T. Czyszanowski, R. Sarzała, M. Dems, M. Wasiak, W. Nakwaski, K. Panajotov, Pulse-regime single-mode operation of antiwaveguide photonic-crystal 1300-nm VCSEL, Proc. SPIE 7720(Article Number: 77200A), 2010
  • M. Dems, Modelling of photonic-crystal VCSELs with semi-vectorial and vectorial models, 2009 11th International Conference on Transparent Optical Networks, Portugal, 28 Cze-02 Lip 2009
  • T. Czyszanowski, M. Wasiak, R. Sarzała, M. Dems, W. Nakwaski, K. Panajotov, Continues-wave single-mode operation of quantum-dot photonic-crystal 1300 nm VCSEL, CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference, Germany, 14-19 Cze 2009
  • M. Dems, K. Panajotov, W. Nakwaski, Polarization Control in VCSELs with Photonic Crystals, 7th Belarusian-Russian Workshop "Semiconductor Lasers and Systems", str. 39-43, Czerwiec 2009
  • M. Dems, K. Panajotov, Photonic Crystals As a New Method of Providing Stable Polarization Emission in Vertical-Cavity Surface-Emitting Lasers, Photonics 2008: International Conference on Fiber and Photonics, Grudzień 2008
  • M. Dems, K. Panajotov, Applications of Photonic Crystals for Polarisation Stabilisation in VCSELs, 2008 10th Anniversary International Conference on Transparent Optical Networks, Greece, 22-26 Cze 2008
  • M. Dems, K. Panajotov, Applications of Photonic Crystals for Polarisation Stabilisation in VCSELs, 10th International Conference on Transparent Optical Networks, ICTON 2008, str. 2 - 56-59, Czerwiec 2008
  • T. Czyszanowski, R. Sarzała, M. Dems, W. Nakwaski, K. Panajotov, Single-Mode Photonic Crystal VCSELs, COST MP0702 Kick-off Workshop, str. 59, Kwiecień 2008
  • T. Czyszanowski, R. Sarzała, M. Dems, H. Thienpont, K. Panajotov, Optimal Designs of Telecommunications Oriented Photonic-Crystal VCSELs, 2007 9th International Conference on Transparent Optical Networks, Italy, 01-05 Lip 2007
  • T. Czyszanowski, M. Dems, R. Sarzała, H. Thienpont, K. Panajotov, Optimal Designs of Telecommunications Oriented Photonic-Crystal VCSELs, 9th International Conference on Transparent Optical Networks, ICTON 2007, str. 2 - 44-47, Lipiec 2007
  • T. Czyszanowski, K. Panajotov, M. Dems, Designs of Photonic-Crystal Vertical-Cavity Surface-Emitting Diode Lasers assuring high performance with minimal technological effort, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, Germany, 17-22 Cze 2007
  • T. Czyszanowski, R. Sarzała, M. Dems, K. Panajotov, Photonic-Crystal VCSELs, International Workshop on Advances in Physics and Technology of Photonic Crystals, str. 20, Kwiecień 2007
  • R. Kotyński, M. Dems, M. Antkowiak, K. Panajotov, Radiation Losses of Electrically and Magnetically Anisotropic 2D Finite Photonic Crystals, International Workshop on Advances in Physics and Technology of Photonic Crystals, str. 19, Kwiecień 2007
  • M. Dems, T. Czyszanowski, K. Panajotov, Strongly Birefringent and Dichroic VCSEL, International Workshop on Advances in Physics and Technology of Photonic Crystals, str. 18, Kwiecień 2007
  • T. Czynanowski, M. Dems, K. Panajotov, Design of Long Wavelength VCSEL with Photonic Crystal in the Top DBRs, International Workshop on PHysics \& Applications of SEmiconductor LASERs, PHASE 2007, Marzec 2007
  • M. Dems, T. Czyszanowski, K. Panajotov, Polarization Control in Photonic-Crystal VCSELs with Elliptical Holes, International Workshop on PHysics \& Applications of SEmiconductor LASERs, PHASE 2007, Marzec 2007
  • M. Dems, K. Panajotov, Modeling of Single-and Multimode Photonic-Crystal Planar Waveguides with Plane-wave Admittance Method: Losses and Modes Coupling, 2006 International Conference on Transparent Optical Networks, United Kingdom, 18-22 Cze 2006
  • T. Czyszanowski, M. Dems, K. Panajotov, W. Nakwaski, Crucial Parameters of Photonic-Crystal Holes within Photonic-Crystal VCSEL DBR, 2006 International Conference on Transparent Optical Networks, United Kingdom, 18-22 Cze 2006