Numerical optimization approach for designing bandpass filters using fiber Bragg gratings

Jinho Bae; Joohwan Chun

doi:10.1117/1.1524609

1 January 2003 Numerical optimization approach for designing bandpass filters using fiber Bragg gratings

Jinho Bae, Joohwan Chun

Optical Engineering, Vol. 42, Issue 1, (January 2003). https://doi.org/10.1117/1.1524609

We propose new methodology for designing an almost ideal bandpass filter as a cascade of two piecewise uniform fiber Bragg gratings. The first grating is designed to get the desired bandpass amplitude spectrum. The second is used to flatten the group delay characteristics of the first. The parameters of the gratings are determined by using the simulated-annealing technique and the steepest-descent algorithm. At the expense of a complicated structure, we are able to obtain an almost ideal bandpass filter with a flat group delay.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Jinho Bae and Joohwan Chun "Numerical optimization approach for designing bandpass filters using fiber Bragg gratings," Optical Engineering 42(1), (1 January 2003). https://doi.org/10.1117/1.1524609

Published: 1 January 2003

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