Ramón Gutiérrez-Castrejón received the B.Sc. degree in physics and the M.E.E. degree (with honors) in telecommunications from the National Autonomous University of Mexico (UNAM), in 1990 and 1993, respectively, and the Ph.D. degree from the University of London, U.K. in 1997. After a post-doctoral stage at Universidad Complutense de Madrid, Spain, he became Research Assistant at the Swiss Federal Institute of Technology (ETH), Zurich, Switzerland and in 2001 Senior Research Scientist at the Photonics Research and Test Center of Corning Inc., in NJ, USA. He is currently teaching and conducting research in optoelectronic information processing and communication devices and systems at UNAM, Mexico City.