Fabrication of 2 /spl times/ 8 power splitters in silica-on-silicon by the direct UV writing technique

In this letter, we present the first demonstration of 2 /spl times/ 8 power splitters made in silica-on-silicon by direct ultraviolet (UV) writing. The fabricated components are compact and exhibit good performance in terms of loss, uniformity, and bandwidth, showing that direct UV writing can become a competitive technology for fabrication of low-cost integrated optical devices.