The nonreciprocal phase shift of TM waves guided by the linear thin film sandwiched between magnetooptic semi-infinite substrate and nonlinear Kerr-type semi-infinite cladding has been investigated theoretically and numerically. With the help of the conservation energy law for TM modes in nonlinear waveguide the dispersion relation without a knowledge of the nonlinear field profile has been derived. The dependence of the nonreciprocal behaviour of the guided waves in terms of the local intensity at the film-nonlinear cladding boundary is discussed. Introducing a nonlinear material into magnetooptic waveguide structure leads to interesting applications for a new class of integrated devices which combine magnetooptic and nonlinear effects.
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.