• T. Czyszanowski, M. Dems, R. Sarzała, V. Iakovlev, N. Volet, E. Kapon, Spatial mode discrimination in anti-guided arrays of long-wavelength VCSELs, SPIE Proceedings, United States, 05-06 Lut 2014
  • H. Li, P. Moser, P. Wolf, G. Larisch, L. Frasunkiewicz, M. Dems, T. Czyszanowski, J. A. Lott, D. Bimberg, Energy efficiency, bit rate, and modal properties of 980 nm VCSELs for very-short-reach optical interconnects, SPIE Proceedings, United States, 05-06 Lut 2014
  • M. Gębski, M. Dems, J. . Chen, W. Qijie, D. H. Z., T. Czyszanowski, GaAs/AlOx high contrast gratings for 980nm VCSELs, Proc. SPIE 8995, 89950C-1 - 89950C-7, 2014
  • L. Frasunkiewicz, M. Dems, R. Sarzała, K. Choquette, K. Panajotov, T. Czyszanowski, Coupled-cavity VCSELs: numerical analysis of physical phenomena, Proc. SPIE 9134, 91342C-91342C-8, 2014
  • T. Czyszanowski, M. Dems, R. Sarzała, K. Panajotov, E. Kapon, Comparison of spatial anti-guided mechanism in single emitter VCSELs and VCSEL arrays, Proc. SPIE 9134, 91340X-91340X-7, 2014
  • T. Czyszanowski, M. Dems, R. Sarzała, V. Iakovlev, N. Volet, E. Kapon, Spatial mode discrimination in anti-guided arrays of long-wavelength VCSELs, Proc. SPIE 9001, 90010H-90010H-6, 2014
  • H. Li, P. Moser, P. Wolf, G. Larisch, L. Frasunkiewicz, M. Dems, T. Czyszanowski, J. A. Lott, D. Bimberg, Energy efficiency, bit rate, and modal properties of 980 nm VCSELs for very-short-reach optical interconnects, Proc. SPIE 9001, 90010B-90010B-8, 2014
  • M. Gębski, M. Dems, J. . Chen, W. Qijie, D. H. Z., T. Czyszanowski, GaAs/AlOx high contrast gratings for 980nm VCSELs, Proc. SPIE 8995, 89950C-89950C-7, 2014
  • M. Gębski, M. Dems, J. . Chen, W. Qijie, Z. D. Hua, T. Czyszanowski, Photonic heterostructure High Contrast Grating as a novel polarization control and light confinement system in HCG VCSEL, Proc. SPIE 9134, 91341H-91341H-7, 2014
  • M. Dems, P. Beling, M. Gębski, Ł. Piskorski, M. Kuc, M. Wasiak, R. Sarzała, Automated self-consistent approach to modeling of photonic devices, 2013 15th International Conference on Transparent Optical Networks (ICTON), Spain, 23-27 Cze 2013
  • T. Czyszanowski, M. Dems, M. Wasiak, R. Sarzała, E. Lamothe, N. Volet, V. Iakovlev, E. Kapon, How to control single mode emission of VCSEL arrays?, 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC, Monachium, Germany, 12-16 Maj 2013
  • L. Frasunkiewicz, T. Czyszanowski, M. Wasiak, M. Dems, R. Sarzała, W. Nakwaski, K. Panajotov, Why phtonic-crystal VCSELs do not provide high power emission in the single-mode regime?, 2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC, Monachium, Germany, 12-16 Maj 2013
  • K. Panajotov, M. Dems, C. Belmonte, H. Thienpont, Y. Xie, J. Beeckman, K. Neyts, VCSELs with nematic and cholesteric liquid crystal overlays, SPIE Proceedings, United States, 06-07 Lut 2013
  • T. Czyszanowski, M. Dems, R. Sarzała, K. Panajotov, Numerical analysis of photonic-crystal VCSELs, SPIE Proceedings, United States, 06-07 Lut 2013
  • M. Gębski, M. Dems, J. . Chen, W. Qijie, Z. D. Hua, T. Czyszanowski, Optical properties of Si/SiO2 and GaAs/AlOx sub-wavelength HCG mirrors on GaAs substrate and an impact of structural imperfections on their performance, 2013 IEEE 5th International Nanoelectronics Conference (INEC), Singapore, 02-04 Sty 2013
  • M. Gębski, M. Dems, J. Chen,, W. Qijie, D. Z. Hua, T. Czyszanowski, Optical Properties of Si/SiO2 and GaAs/AlOx Sub-Wavelength HCG Mirrors on GaAs Substrate and An Impact of Structural Imperfections on Their Performance, The 5th IEEE International Nanoelectronics Conference, IEEE INEC 2013, Styczeń 2013
  • J. Walczak, A. Sokół, M. Gębski, V. Iakovlev, M. Wasiak, M. Dems, P. Gallo, A. Sirbu, E. Kapon, T. Czyszanowski, Full-physical simulation of the novel on-axis pumped VECSEL with High Contrast Grating, V Workshop on Physics and Technology of Semiconductor Lasers, Kraków, PL, 17-20 Lis 2013
  • M. Gębski, M. Dems, J. . Chen, W. Qijie, Z. D. Hua, T. Czyszanowski, Optical properties of Si/SiO2 and GaAs/AlOx sub-wavelength HCG mirrors on GaAs substrate and an impact of structural imperfections on their performance, Proceedings - Winter Simulation Conference, 146-149, 2013
  • K. Panajotov, M. Dems, C. Belmonte, H. Thienpont, Y. Xie, J. Beeckman, K. Neyts, VCSELs with nematic and cholesteric liquid crystal overlays, Proceedings of SPIE - The International Society for Optical Engineering 8639, 2013
  • T. Czyszanowski, M. Dems, R. Sarzała, K. Panajotov, Numerical analysis of photonic-crystal VCSELs, Proceedings of SPIE - The International Society for Optical Engineering 8639, 2013
  • M. Dems, P. Beling, M. Gębski, Ł. Piskorski, M. Kuc, M. Wasiak, R. Sarzała, Automated self-consistent approach to modeling of photonic devices, International Conference on Transparent Optical Networks, 2013
  • M. Dems, K. Panajotov, True photonic band-gap in vertical-cavity surface-emitting lasers, SPIE Proceedings, Belgium, 16-19 Kwi 2012
  • T. Czyszanowski, M. Dems, M. Wasiak, R. Sarzała, Three-dimensional simulation of 1300-nm AlGaInAs VCSEL arrays, Proc. SPIE 8432, Article Number: 84320A, 2012
  • J. Walczak, T. Czyszanowski, M. Dems, R. Sarzała, A. Sokół, M. Wasiak, V. Iakovlev, Simulation of 1550-nm diamond VECSEL with high contrast grating, Proc. SPIE 8432, Article Number: 84321H, 2012
  • J. Walczak, T. Czyszanowski, M. Dems, R. Sarzała, A. Sokół, M. Wasiak, V. Iakovlev, Simulation of 1550nm Diamond VECSEL with High Contrast Grating, SPIE Photonics Europe, str. 8432 - 84321H, Kwiecień 2012
  • M. Dems, K. Panajotov, True photonic band-gap in vertical-cavity surface-emitting lasers, Proc. SPIE 8432, 84321G, 2012
  • M. Dems, How Manufacturing Impecisions of One-Dimensional Photonic Crystals Impact Their Optical Properties?, IV Laser Workshop on Physics and Technology of Semiconductor Lasers, Październik 2011
  • T. Czyszanowski, J. Walczak, M. Dems, R. Sarzała, E. Lamothe, L. Mutter, Modes discrimination analysis of coherently coupled AlInGaAs VCSEL array, 2011 Numerical Simulation of Optoelectronic Devices, Italy, 05-08 Wrz 2011
  • T. Czyszanowski, M. Dems, K. Panajotov, Modal properties control in photonic-crystal vertical-cavity surface-emitting lasers, 2011 Numerical Simulation of Optoelectronic Devices, Italy, 05-08 Wrz 2011
  • M. Dems, I.-S. Chung, P. Nyakas, S. Bischoff, K. Panajotov, Modelling of photonic-crystal VCSELs with semi-vectorial and vectorial models, 2011 13th International Conference on Transparent Optical Networks, Sweden, 26-30 Cze 2011
  • 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