Fuzzy logic approach to Henry factor for distributed feedback laser case

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Turkish Journal of Electrical Engineering and Computer Science
Volume:22 Issue:4
Fuzzy logic approach to Henry factor for distributed feedback laser case

Fuzzy logic approach to Henry factor for distributed feedback laser case

Pages : 970-978

View : 15 | Download : 6

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :In this study, a simple approach for intelligent modeling of the Henry factor insert ignore into journalissuearticles values(a-alpha parameter, antiguiding factor, phase-amplitude coupling factor); or the so-called linewidth enhancement factor, which is an actual analysis and design parameter for semiconductor laser diodes and optical communication systems, is proposed based on the fuzzy logic insert ignore into journalissuearticles values(FL); phenomenon. The proposed FL-based model easily computes the Henry factor in terms of different wavelengths and injection current levels insert ignore into journalissuearticles values(i.e. the inputs of the model);. The experimental data belong to a distributed feedback laser, obtained from amplified spontaneous emission spectra, which is among the techniques required for the characterization of semiconductor lasers. For the Henry factor, the suggested method`s approximation provides predictions within the accuracy level of 95%--99.99%.
Keywords : Linewidth enhancement factor, fuzzy logic, distributed feedback laser diode

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