Title :
Directly UV-written silica-on-silicon planar waveguides with low insertion loss
Author :
Zauner, D. ; Kulstad, K. ; Rathje, J. ; Svalgaard, M.
Author_Institution :
Tech. Univ., Lyngby, Denmark
fDate :
8/6/1998 12:00:00 AM
Abstract :
The coupling loss between directly UV-written planar waveguides and standard telecom fibre has been reduced by index matching the three layer structure used for UV writing. Insertion losses down to 0.1 dB for 3 cm long waveguides have been achieved
Keywords :
optical fabrication; optical losses; optical planar waveguides; silicon compounds; 0.1 dB; 3 cm; SiO2-Si; coupling loss; direct UV writing; index matching; insertion loss; silica-on-silicon planar waveguide; telecom fibre; three layer structure;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19981091