Patent ID: 6876782
Filing Date: 2005-04-05
Classification: G02B,G02F

Abstract:
1. An integrated type optical waveguide device comprising: an input section which contains at least one first optical waveguide and has at least one input end and a plurality of output ends; a phase shifter section which has a plurality of second optical waveguides, each of which has one output end and one input end coupled with a corresponding one of said plurality of output ends of said input section; and an output section which contains at least one third optical waveguide and has at least one output end and a plurality of input ends, each of which is coupled with the output end of a corresponding one of said plurality of second optical waveguides, wherein a material of each of said plurality of second optical waveguides is different from a material of each of said first and third optical waveguides, and wherein said output section comprises a Y-combiner.