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Tunable TE/TM-mode converter on (001)-InP-substrate

: Schlak, M.; Weinert, C.M.; Albrecht, P.; Nolting, H.-P.


IEEE Photonics Technology Letters 3 (1991), Nr.1, S.15-16
ISSN: 1041-1135
Fraunhofer HHI ()
electro-optical devices; integrated optics; optical communication equipment; tuning; 2d finite difference simulation; tunable mode converter fabrication; te/tm-mode converter; design rules; polarization conversion; polarization diversity network; 1.56 micron; 32 v; InP substrate

The use of a two-dimensional finite difference simulation technique to determine optimal design parameters for the fabrication of TE/TM-mode converters on (001) InP substrate is discussed. Based on design rules extracted from the calculations, a tunable device for an operating wavelength of 1.56 mu m has been fabricated and polarization conversion of 45 degrees , suitable for operation in a polarization diversity network has been achieved at an effective voltage of 32 V.