Carletti, L.Ma, PanLuther-Davies, BarryHudson, DarrenMonat, C.Madden, SteveMoss, D. J.Brun, M.Ortiz, S.Nicoletti, S.Grillet, C.2015-12-13April 14-19781628410815http://hdl.handle.net/1885/74636The linear and nonlinear optical response of SiGe waveguides in the mid-infrared are experimentally measured. By cutback measurements we find the linear losses to be less than 1.5dB/cm between 3μm and 5μm, with a record low loss of 0.5dB/cm at a wavelen201410.1117/12.20516892015-12-11