Patent ID: 7366375
Filing Date: 2008-04-29
Classification: G02B

Abstract:
1. An optical waveguide device comprising: a cladding having first and second surfaces opposite to each other; a plurality of cores arranged in parallel and laminated to said first surface of said cladding for guiding light in a longitudinal direction thereof, each of said plurality of cores having a pair of light incident and emergent portions at the corresponding opposite ends; and a plurality of lens portions, each pair of said plurality of lens portions corresponding to one of said plurality of cores, bonded to said second surface of said cladding at the opposite ends corresponding to said light incident and emergent portions of each of said plurality of cores, wherein, said cladding is formed of a material having a refractive index that is lower than that of said core, said plurality of cores are arranged into a plurality of groups, and each group includes a number of cores shifted at a given pitch along the longitudinal direction relatively to corresponding adjacent cores.