Nonreciprocal TE-mode phase shift by domain walls in magnetooptic rib waveguides

Autor(en): Popkov, AF
Fehndrich, M
Lohmeyer, M
Dotsch, H
Stichwörter: DESIGN; INTEGRATED-OPTICS; Physics; Physics, Applied
Erscheinungsdatum: 1998
Herausgeber: AMER INST PHYSICS
Journal: APPLIED PHYSICS LETTERS
Volumen: 72
Ausgabe: 20
Startseite: 2508
Seitenende: 2510
Zusammenfassung: 
The nonreciprocal wave number shift of a TE-like mode propagating along a normally magnetized gyrotropic rib waveguide supporting a domain lattice is predicted theoretically using perturbation theory. The electromagnetic fields are calculated by the effective index method and by a more rigorous numerical method. Preliminary estimations for Bi-substituted iron garnets show that the maximum nonreciprocal phase shift of a TE-like mode may be comparable to that of a TM-like mode in a tangentially magnetized waveguide. (C) 1998 American Institute of Physics. [S0003-6951(98)01420-X].
ISSN: 00036951
DOI: 10.1063/1.121402

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