Title :
Finite-element analysis of nonreciprocal phase shift for TE modes in magnetooptic rib waveguides with a compensation wall
Author :
Bahlmann, Norbert ; Lohmeyer, Manfred ; Dotsch, Horst ; Hertel, Peter
Author_Institution :
Dept. of Phys., Osnabruck Univ., Germany
fDate :
2/1/1999 12:00:00 AM
Abstract :
The nonreciprocal phase shift for TE modes in magnetooptic rib waveguides supporting a domain lattice was recently predicted. Using a single magnetic compensation wall in the symmetry axis of the waveguides, the nonreciprocal phase shift can be enhanced by a factor up to 1.8. The nonreciprocal phase shift is calculated by perturbation theory. The electromagnetic fields are determined by a semivectorial finite-element method, which properly handles the required field discontinuities
Keywords :
compensation; electromagnetic field theory; finite element analysis; magneto-optical devices; optical waveguide theory; optical waveguides; perturbation theory; rib waveguides; TE modes; compensation wall; domain lattice; electromagnetic fields; field discontinuities; finite-element analysis; magnetooptic rib waveguides; nonreciprocal phase shift; perturbation theory; semivectorial finite-element method; single magnetic compensation wall; symmetry axis; Electromagnetic waveguides; Finite element methods; Isolators; Lattices; Magnetic analysis; Magnetic domain walls; Magnetic domains; Optical waveguide theory; Optical waveguides; Tellurium;
Journal_Title :
Quantum Electronics, IEEE Journal of
