Modal field converter for a highly efficient coupling in optical modules
AssigneeAlcatel
InventorsAnton Ambrosy, Alexis Lestra
Life of this patent
Estimating the term…
Abstract
An optical module (1) which contains at least one optical component (2) whose one optical input/output is directed towards an optical fiber (4) to which it is to be coupled. At least one additional optical waveguide (6) is arranged between this optical component (2) and the optical fiber (4). The optical component (2) is provided with an optical waveguide (3) whose end (5), facing towards the optical fiber (4), is tapered or widened for a modal field adaptation. Additionally the end of each interposed optical waveguide (6) facing towards the optical fiber (4) is also tapered or widened for a modal field adaptation.
Claims9
An optical module which contains an optical component with at least one optical coupling, wherein an optical coupling is directed towards an optical fibre and this coupling comprises an optical waveguide whose end, facing towards the optical fibre, includes a zone of progressively changing cross-section for a modal field adaptation, wherein between the optical waveguide of the optical component and the optical fibre there is arranged an interposed optical waveguide whose end, facing towards the optical fibre, includes a zone of progressively changing cross-section for a modal field adaptation.
Dependencies are inferred from the claim text.