Synchronized chaotic lasers both encode and decode information, potentially
providing a reliable alternative to conventional secure networks.I am most grateful to Valerio Annovazzi-Lodi, Michael Hamacher and
Vasile Tronciu for providing part of this material, Ingo Fischer for a
careful reading of the manuscript, and the members of the PICASSO
and PHOCUS projects. This research is funded by the Ministerio de
Educaci´on y Ciencia and Feder under project FIS2007-60327 (FISICOS)
and European Commission projects 034551 (PICASSO) and
240763 (PHOCUS).Peer reviewe