Title :
UV written 13 dB reflection filters in hydrogenated low loss planar silica waveguides
Author :
Maxwell, G.D. ; Ainslie, B.J. ; Williams, D.L. ; Kashyap, R.
Author_Institution :
BT Labs., Ipswich, UK
fDate :
3/4/1993 12:00:00 AM
Abstract :
UV written holographic gratings in hydrogenated GeO2-SiO2 planar waveguides which have given a reflectivity of 13 dB at 1555 nm with a bandwidth of 0.6 nm are reported. The index modulation within the gratings was calculated to be 5*10-4. In addition the waveguides are low loss from 1300 to 1600 nm.
Keywords :
germanium compounds; holographic gratings; hydrogen; optical losses; optical waveguides; reflectivity; silicon compounds; 1300 to 1600 nm; GeO 2-SiO 2:H planar waveguides; UV written holographic gratings; bandwidth; index modulation; low loss; reflection filters; reflectivity;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930284
