Luther-Davies, Barry2015-12-10July 7-10http://hdl.handle.net/1885/52487I review the material requirements for all-optical processing and describe our progress based on the use of waveguide devices fabricated in nonlinear chalcogenide glass.Keywords: Fibers; Optical fibers; Optical materials; Signal processing; All-optical processing; Material requirements; Nonlinear chalcogenides; Nonlinear optical materials; Signal Processing applications; Waveguide devices; Optical glass200810.1109/OECCACOFT.2008.46104472015-12-09