Patent ID: 6047096
Filing Date: 2000-04-04
Classification: G02B

Abstract:
An optical device comprising:at least one MMI-waveguide;at least one Bragg-grating structure;at least one access waveguide located at a first side of the MMI-waveguide; andat least one access waveguide located at a second side of the MMI-waveguide, said first and said second sides being short sides of said MMI-waveguide, the Bragg-grating structure being located in the MMI-waveguide,wherein the optical device includes at least two MMI-waveguides each having one of said Bragg-grating structures located therein, wherein said first side is a side of a first MMI-waveguide of the at least two MMI-waveguides and said second side is a side of a second MMI-waveguide of the at least two MMI-waveguides, a second side of the first MMI-waveguide and a first side of the second MMI-waveguide being coupled.