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METHOD FOR PRODUCING A RIDGE OPTICAL WAVEGUIDE HAVING LOW COUPLING LOSSES BETWEEN THE RIDGE OPTICAL WAVEGUIDE AND AN OPTICAL FIBRE, AND A RIDGE OPTICAL WAVEGUIDE MADE USING THIS METHOD
METHOD FOR PRODUCING A RIDGE OPTICAL WAVEGUIDE HAVING LOW COUPLING LOSSES BETWEEN THE RIDGE OPTICAL WAVEGUIDE AND AN OPTICAL FIBRE, AND A RIDGE OPTICAL WAVEGUIDE MADE USING THIS METHOD
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机译:产生具有低耦合损耗的脊脊光学波导的方法和一种利用这种方法制成的脊脊光学波导的脊光学波导
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摘要
A method for producing a ridge optical waveguide having low coupling losses between the ridge optical waveguide and an optical fiber includes forming on the surface of a dielectric substrate an optical waveguide having a first end and a second end opposite the first end; cutting out two parallel recesses spaced apart by a distance wr on the surface of the dielectric substrate to form a rigid optical waveguide with an increased width (wr) between the two recesses. The recesses are cut such that the depth of each recess changes continuously and gradually between a zero depth at the height of the first end of the optical waveguide and a maximum depth (Hm) at a pre-determined distance (Ip) from the first end.
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