Affiliation: | (1) Institute of Radio Engineering and Electronics, Chaberská 57, 182 51 Praha 8, Czech Republic;(2) Allgemeine und Theoretische Elektrotechnik, Fern Universität, D-58084 Hagen, Germany;(3) Department of Information Technology/IMEC, Ghent University, Sint-Pietersnieuwstraat 41, B-9000 Ghent, Belgium;(4) MESA Research Institute, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands;(5) Institute of Physical Engineering, Brno University of Technology, Technická 2, 616 69 Brno, Czech Republic;(6) Institut d'Optique Théorique et Appliquée/CNRS, BP 147, 91403 Orsay Cedex, France;(7) Optoelectronics Research Group, Department of Electronics and Electrical Engineering, The University, Glasgow, G12 8QQ, Scotland, UK |