Compensadores Adaptativos de Dispersão Cromática para Sistemas de Comunicação por Fibra Óptica (Chromatic dispersion allocable compensator for optical fibre communications systems)

Paulo André (pandre@ieee.org)1, Berta Neto1, Rogério Nogueira1, João Lemos Pinto1, António Luís Teixeira2, Mário Lima2, José Ferreira da Rocha2


1Instituto de Telecomunicações e Departamento de Física da Universidade de Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
2Instituto de Telecomunicações e Departamento de Electrónica e Telecomunicações da Universidade de Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal.

This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2006
Volume: 4,   Issue: 5 
ISSN: 1548-0992


Abstract:
In this work we perform a study about the temperature implications on the optical fibers chromatic dispersion and the implications on the quality of transported information. To solve this constrain we suggest two approaches to dynamically compensate chromatic dispersion, one based on chirped fiber Bragg gratings and other based on dispersion compensation fibers. With the dispersion compensation fibers, we obtain a first and second order tuning coefficients of 3.472 ps nm-1 ºC-1 and -2.7 × 10 -3 ps nm-2 ºC-1, respectively. With the compensator based on chirped fiber Bragg gratings we obtain dispersion values between -113.2 ps nm-1 and 143.1 ps nm-1, for temperature gradients of 40ºC.

Index Terms:
Thermal factors, optical fibers chromatic dispersion compensation, gratings, optical communication.   


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