Luther-Davies, Barry2015-12-10July 14-169781479927678http://hdl.handle.net/1885/52803I will discuss the properties of chalcogenide waveguides for all-optical processing compared with other waveguide materials. The absence of multi-photon absorption and free carrier effects impart significant advantages particularly for strong nonlinear effects.201410.1109/SUM.2014.662015-12-09