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Analysis/design algorithm of photonic integrated devices composed of gratings and directional couplers
Analysis/design algorithm of photonic integrated devices composed of gratings and directional couplers
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机译：由光栅和定向耦合器组成的光子集成器件的分析/设计算法
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摘要
The present invention, optical integrated made of a grating and a directional coupler on the computer algorithms for the analysis and design of the optical integrated device consisting of an optical waveguide (optical waveguide) grid (grating) structure and a directional coupler (directional coupler) on the basis of accurate device and more efficient analysis and to design, to a separate operator technique. On the other hand been conventional algorithm is limited to the analysis and design of the optical integrated device consisting of a single optical waveguide, the present invention is very valuable in the analysis and design of the optical integrated device consisting of two or more optical waveguides, such as a directional coupler structure. Algorithm according to the invention deviating from that, the time-dependent coupled wave equation for stability using the operator separation techniques (split-step method) the time-dependent coupling wave equations (time-dependent coupled-wave equations) is guided to the correct computer algorithm factor operator separation step, the reverse binding operator separation step, and the three main separation stage of the directional coupler operator separation step, to restore the moving electric field which is inserted between the primary separation stage steps, and the five steps of the method satisfies the boundary conditions of the design element It consists of a repeating step of repeating the preceding five steps. Computer algorithms obtained by the present invention is thus very simply improve the accuracy and efficiency of the optical integrated device design.
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