Finite-element analysis of nonreciprocal phase shift for TE modes in magnetooptic rib waveguides with a compensation wall

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...

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Veröffentlicht in:	IEEE journal of quantum electronics 1999-02, Vol.35 (2), p.250-253
Hauptverfasser:	Bahlmann, N., Lohmeyer, M., Dotsch, H., Hertel, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Compensation Discontinuity Electric, optical and optoelectronic circuits Electromagnetic waveguides Electronics Exact sciences and technology Finite element method Finite element methods Integrated optics. Optical fibers and wave guides Isolators Lattice vibration Lattices Magnetic analysis Magnetic domain walls Magnetic domains Mathematical analysis Optical and optoelectronic circuits Optical waveguide theory Optical waveguides Optical waveguides and couplers Phase shift Tellurium Walls Waveguides
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Beschreibung
Zusammenfassung:	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.
ISSN:	0018-9197 1558-1713
DOI:	10.1109/3.740748