Optical EngineeringFiber Bragg-grating-based all-optical microwave filter synthesis using genetic algorithm
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The synthesis of fiber Bragg-grating-based all-optical microwave filters using the genetic algorithms is investigated. In the proposed algorithm, all-optical microwave filters employing fiber Bragg gratings as tapping and weighting elements are considered. The coefficients and the tapping intervals of the microwave filters are optimized by the genetic algorithms. Algorithms for fixed and variable tapping intervals are developed and two design examples are presented and discussed.