Double Raman Amplified Bus Networks for Wavelength-Division Multiplexing of Fiber-Optic Sensors

Author

Diaz, Silvia ; Cerrolaza, Beatriz ; Lasheras, Gorka ; Lopez-Amo, Manuel

Author_Institution

Departamento de Ingenieria Electrica y Electronica, Univ. Publica de Navarra, Pamplona

Volume

25

Issue

3

fYear

2007

fDate

3/1/2007 12:00:00 AM

Firstpage

733

Lastpage

739

Abstract

In this paper, three different double Raman fiber bus networks are compared and demonstrated experimentally for the first time as a means of gathering information from wavelength-division-multiplexed optical sensors: the double-bus scheme, the improved double-bus configuration, and the hybrid topology. We report how these structures reduce the received amplified-spontaneous-scattering noise generated. This low-noise configuration yields signal-to-noise ratios over 43 dB and increases the number of sensors that could be multiplexed in a single structure. Furthermore, the last one enables the reutilization of the gratings´ wavelengths

Keywords

Raman lasers; fibre optic sensors; optical fibre amplifiers; optical fibre networks; wavelength division multiplexing; amplified spontaneous scattering noise; bus networks; double Raman amplification; double-bus scheme; fiber optic sensors; wavelength division multiplexing; Gratings; Network topology; Noise generators; Noise reduction; Optical fiber networks; Optical fiber sensors; Optical noise; Signal to noise ratio; Stimulated emission; Wavelength division multiplexing; Data buses; Raman scattering; distributed amplification; optical-fiber sensors; wavelength-division multiplexing (WDM);

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2006.889669

Filename

4147694