Design of Bragg grating filters with improved spectral characteristics

Olga I. Baum; Victor I. Sokolov

doi:10.1117/12.464188

30 April 2002 Design of Bragg grating filters with improved spectral characteristics

Olga I. Baum, Victor I. Sokolov

Proceedings Volume 4644, Seventh International Conference on Laser and Laser-Information Technologies; (2002) https://doi.org/10.1117/12.464188
Event: Seventh International Conference on Laser and Laser Information Technologies, 2001, Vladimir, Suzdal, Russian Federation

Abstract

The technology of dense wavelength division multiplexing (DWDM), which is widely used in modern optical fiber communication networks for increasing bit rates, requires development of advanced Bragg grating filters with improved rectangular-shaped reflection/transmission spectra and linear phase characteristics within the stop/passband. Such spectra cannot be achieved with uniform Bragg gratings, and therefore nonuniform gratings with space-modulated amplitude should be developed. We present the new approach to the design of nonuniform grating profiles, which is based on utilization of superimposed biharmonic gratings with sinusoidally modulated amplitude and periodically located distributed phase shifts (pi) . With this approach Bragg grating profiles possessing narrowband rectangular-shaped transmission spectra are designed using coupled-wave theory and computer simulations.

Citation Download Citation

Olga I. Baum and Victor I. Sokolov "Design of Bragg grating filters with improved spectral characteristics", Proc. SPIE 4644, Seventh International Conference on Laser and Laser-Information Technologies, (30 April 2002); https://doi.org/10.1117/12.464188

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