Title :
Reduction of voltage-length product for Y-branch digital optical switch
Author :
Okayama, Hideaki ; Kawahara, Masaaki
Author_Institution :
Oke Electric Ind. Co. Ltd., Tokyo
fDate :
2/1/1993 12:00:00 AM
Abstract :
A Y-branch switch that shows a nearly constant mode coupling peak for a wide guide asynchronism range is described. The device exhibits low drive voltage and crosstalk. Two preferred structures, an intermediate structure and a logarithmic-linear composite structure, are proposed
Keywords :
crosstalk; electro-optical devices; integrated optics; optical switches; optical waveguide theory; optical waveguides; Y-branch digital optical switch; constant mode coupling peak; crosstalk; logarithmic-linear composite structure; low drive voltage; planar optical waveguides; voltage-length product; wide guide asynchronism range; Crosstalk; Electrodes; Electrooptic effects; Electrooptical waveguides; Optical coupling; Optical switches; Optical waveguides; Refractive index; Voltage; Waveguide discontinuities;
Journal_Title :
Lightwave Technology, Journal of
