Title :
Optical-fibre coupling to high-silica channel waveguides with fibre-guiding grooves
Author :
Yamada, Y. ; Kawachi, M. ; Yasu, M. ; Kobayashi, M.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Abstract :
A practical coupling technique between high-silica multimode channel waveguides and optical fibres has been demonstrated using guiding grooves formed simultaneously with waveguides on a substrate. The fibre-waveguide (15 mm long)-fibre insertion loss was 1.23 dB.
Keywords :
integrated optics; optical communication equipment; optical couplers; optical fibres; optical waveguides; silicon compounds; titanium compounds; SiO2-TiO2; coupling technique; guiding grooves; high silica type; integrated optics; multimode channel waveguides; optical communication equipment; optical fibres;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840212
