Application of porous silicon technology to optical waveguiding

Porous silicon is a widely studied material which has significant potential for the realisation of monolithic, all-silicon optoelectronic integrated circuits. To maintain monolithicity, irrespective of the light source technology used, silicon-based optical waveguides will be required, these enabling light from the source to be routed and split to different points, on-chip or otherwise. Although a number of silicon-based waveguide technologies are available, the aim of the present study is to highlight the use of, and flexibility afforded by, porous silicon as a waveguide medium