Title :
Silica waveguide to photodiode interface for hybrid integration
Author_Institution :
GEC-Marconi Res. Centre, Great Baddow, UK
Abstract :
We have demonstrated a relaxed tolerance, self-aligned waveguide to photodiode interface for use in silicon opto-hybrid receiver modules. The interfaces showed high coupling efficiency (0.9dB loss) between a singlemode waveguide and a 50 μm radius photodiode with 1.5 GHz, 3 dB bandwidth. Further work is being carried out to evaluate the increase in coupling efficiency to higher bandwidth photodiodes that can be obtained with the improved waveguide end face fabrication process
Keywords :
integrated optoelectronics; 0.9 dB; 1.5 GHz; 100 mum; Si; SiO2; coupling efficiency; high coupling efficiency; higher bandwidth photodiodes; hybrid integration; photodiode; photodiode interface; relaxed tolerance; self-aligned waveguide; silica waveguide; silicon opto-hybrid receiver modules; waveguide end face fabrication process;
Conference_Titel :
Planar Silicon Hybrid Optoelectronics (Digest No. 1994/198), IEE Colloquium on
Conference_Location :
London
