• EECS Department, The University of Michigan, Ann Arbor (Prof. D. Pavlidis).
  • Institute of Optics, University of Rochester, Rochester, NY (Prof. Robert W. Boyd).
  • Department of Electrical and Computer Engineering and Department of Physics, Virginia Commonwealth University, Richmond, Virginia (Prof. H. Morkoз).
  • Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta (Prof. R. Fedosejevs).
  • Terahertz Photonics Group, Department of Physics, University of Oxford (Dr. M. B. Johnston).
  • Department of Material Science, Christian-Albrechts, University of Kiel (Prof. H. Foel).
  • Institute fur Hochfrequenztechnik, Technical University Darmstadt (Prof. H. L. Hartnagel).
  • Departamento de Fнsica de Materiales, Facultad de Ciencias Fнsicas, Universidad Complutense de Madrid, Spain (Prof. J. Piqueras).
  • Departament de Fнsica Aplicada, Universitat Politиcnica de Valиncia, Alcoi, Spain (Dr. F.J. Manjуn).
  • CNRS Laboratory in Strasbourg, France (Prof. C. Schwab).
  • Cagliari University, Italy (Prof. A. Anedda).
  • National Technical University of Athens, Greece (Dr. Y. Raptis).
  • Institute of Solid State Physics RAS, Chernogolovka, Moscow District (Prof. G. Emelchenko).
  • Institute of Microelectronics Technology RAS, Chernogolovka, Moscow District (Prof. A. Gruzintsev).
  • Institute of Semiconductor Physics, SB RAS, Novosibirsk, Russia (Dr. A. Milekhin, Dr. V. Atuchin).