Title :
Characterisation of dispersion properties in planar waveguides using UV-induced Bragg gratings
Author :
Poulsen, C.V. ; Hubner, J. ; Rasmussen, T. ; Andersen, L.-U.A. ; Kristensen, M.
Author_Institution :
Mikroelectronik Centret, Tech. Univ. Denmark, Lyngby, Denmark
fDate :
8/17/1995 12:00:00 AM
Abstract :
UV-induced gratings have been employed to characterise dispersion properties and birefringence in buried phosphorus/germanium doped channel waveguides for different propagating modes. Bragg gratings with low index modulation and showing up to 50% reflectivity. Have been written with 193 nm UV-light through a phasemask in waveguides with different dimensions
Keywords :
birefringence; diffraction gratings; optical dispersion; optical planar waveguides; photorefractive effect; refractive index; 193 nm; UV-induced Bragg gratings; birefringence; buried doped channel waveguides; dispersion properties; low index modulation; phasemask; planar waveguides; propagating modes; reflectivity;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19951002
