Advanced fibre components for high density metropolitan WDM networks

Author

Yla-Jarkko, K.H. ; Alam, Shahinur ; Durkin, Martin ; Barry, I. ; Zervas, M.N. ; Wixey, R. ; Pillay, Shamini ; Grudinin, A.B.

Author_Institution

Southampton Photonics Inc., UK

fYear

2002

fDate

17-22 Mar 2002

Firstpage

472

Lastpage

473

Abstract

We have experimentally demonstrated superior performance of low dispersion 25 GHz and 50 GHz fibre Bragg gratings based on a new design technique. When the gratings were cascaded the usable bandwidth for in-band channel was retained within 80% and power penalty for passband channel was below 0.5 dB. We have also demonstrated advantages of Raman amplifiers in metropolitan networks. Application of distributed Raman amplification allows us to increase dynamic range of the transmitted signals by 8 dB. Furthermore node loss compensation by Raman gain results also in lower power penalties than in the case of lumped EDFA.

Keywords

Bragg gratings; Raman lasers; compensation; metropolitan area networks; optical fibre amplifiers; optical fibre dispersion; optical fibre losses; optical fibre networks; stimulated Raman scattering; telecommunication channels; wavelength division multiplexing; 25 GHz; 50 GHz; Raman amplification; design technique; fibre Raman amplifiers; in-band channel; low dispersion fibre Bragg gratings; metropolitan networks; node loss compensation; passband channel; power penalty; transmitted signals; usable bandwidth; Bragg gratings; Distributed amplifiers; Dynamic range; Erbium-doped fiber amplifier; Fiber gratings; Four-wave mixing; Optical fiber amplifiers; Optical fiber polarization; Stimulated emission; WDM networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Optical Fiber Communication Conference and Exhibit, 2002. OFC 2002

Print_ISBN

1-55752-701-6

Type

conf

DOI

10.1109/OFC.2002.1036494

Filename

1036494