| 摘要 |
PCT No. PCT/GB91/00502 Sec. 371 Date Nov. 24, 1992 Sec. 102(e) Date Nov. 24, 1992 PCT Filed Mar. 28, 1991 PCT Pub. No. WO91/15796 PCT Pub. Date Oct. 17, 1991.An optical component fabricated from a semi-conductor wafer in which the epilayers are in the InCaAsP system comprises a pair of ridge waveguides. The ridge waveguides are proximate and parallel to each other in a first region, and diverge from each other in a second region. Each waveguide has a continuous electric contact over its upper surface to provide a first light amplification zone through or beneath at least a portion of both first and second light guiding paths and a second light amplification zone through or beneath at least a portion of both the first and a third light guiding path. The component can be used as a low loss 1x2 switch, or as a low loss 2x1 combiner. |
