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TRANSITIONING A FILTER FUNCTION OF A TWO-PORT LATTICE-FORM PLANAR WAVEGUIDE OPTICAL DELAY LINE CIRCUIT FILTER FROM A START FILTER FUNCTION TO A TARGET FILTER FUNCTION
TRANSITIONING A FILTER FUNCTION OF A TWO-PORT LATTICE-FORM PLANAR WAVEGUIDE OPTICAL DELAY LINE CIRCUIT FILTER FROM A START FILTER FUNCTION TO A TARGET FILTER FUNCTION
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机译:将两端口格形平面波导光学延迟线电路滤波器的滤波功能从起始滤波功能转换为目标滤波功能
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摘要
Optically coherent, two-port, serially cascaded-form optical delay line circuits can realize arbitrary signal processing functions identical to those of FIR digital filters with complex filter coefficients whilst maintaining a maximum optical transmission characteristic of 100%. The invention provides an iterative process for transitioning in a step-wise manner a filter function of an optical delay line circuit filter from a start filter function to a target filter function. The invention also describes a dynamic gain equalizer incorporating an optical delay line circuit filter.
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