Idelfonso Tafur Monroy is currently head of the metro-access and short range communication systems group of the Department of Photonics Engineering at the Technical University of Denmark. He graduated from the Bonch-Bruevitch Institute of Communications, St. Petersburg, Russia, in 1992, where he received a M.Sc. degree in multichannel telecommunications. In 1996 he received a Technology Licenciate degree in telecommunications theory from the Royal Institute of Technology, Stockholm, Sweden. The same year he joined the Electrical Engineering Department of the Eindhoven University of Technology, The Netherlands, where he earned a Ph.D. degree in 1999 and worked as an assistant professor until 2006. He is currently involved in several European research projects. His research interests are in hybrid optical-wireless systems, coherent detection technologies and digital signal processing receivers, optical switching, nanophotonic technologies and systems for integrated metro and access networks, short range communications, and communication theory.