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Meander coupler: A novel structure for WDM-applications


ECOC 90 Amsterdam. Vol.1: Regular papers : 16th European Conference on Optical Communications, September 16 - 20, 1990, International Congress Centre RAI, Europaplein, Amsterdam, the Netherlands
Amsterdam: IOS Press, 1990
ISBN: 90-5199-037-5
European Conference on Optical Communication (ECOC) <16, 1990, Amsterdam>
Fraunhofer HHI ()
crosstalk; gallium arsenide; gallium compounds; iii-v semiconductors; indium compounds; integrated optics; multiplexing equipment; optical communication equipment; optical couplers; optical filters; meander coupler; rib waveguide technology; filter; codirectional asymmetric coupler; periodic variation; coupling constant; GaInAsP-InP

The authors have realized a novel filter in GaInAsP/InP, which is a codirectional asymmetric coupler with periodic variation of the coupling constant. The transmission exhibits a sinc2-dependence, which offers particularly low crosstalk in combination with weighted coupling.