Optimised square passband fibre Bragg grating filterwith in-band flat group delay response

M. Ibsen, M. Durkin, M.J. Cole, R.I. Laming

Electronics Letters · 1998 · 49 citations · 3 references

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Concepts

Abstract

Through a controlled apodised sinc-shaped refractive index profile, an optimised square reflection band Bragg grating filter is demonstrated. The filter is 5 cm long and has a flat dispersion profile within the photonic bandgap and an edge steepness of 7.9 dB/GHz.

References

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