Fuerbach, AGross, SimonRiesen, NicholasAn, H.Flemming, SArriola, ALove, JohnWithford, Michael2015-12-13July 6-109781479956005http://hdl.handle.net/1885/75300By tightly focussing a femtosecond laser beam inside the bulk of a transparent dielectric, a highly localised and permanent change of the material's refractive index can be induced. This provides the basis for the rapid fabrication of fully integrated 3DFabrication of novel integrated components for next-generation optical networks using the femtosecond-laser direct-write technique201410.1109/ICTON.2014.68765032015-12-11