Evanescent coupling assisted four-wave mixing in a silicon-on-insulator directional coupler

Wei W. Ding, Owain K. O.K. Staines, Gareth D. G.D. Hobbs, Andrey V. A.V. Gorbach, Charles E. C.E. De Nobriga, William J. W.J. Wadsworth, Jonathan C. J.C. Knight, Dmitry V. D.V. Skryabin, Michael John M.J. Strain, Marc M. Sorel, Richard M. R.M. De La Rue