Gain-flattening of fibre Raman amplifiers using nonlinear pump spectral broadening and pump power modulation
Authors
Martín López, Sonia; Carrasco-Sanz, A.; González Herráez, Miguel; Corredera, Pedro; Hernanz, M.L.Publisher
IEEE
Date
2006Funders
Ministerio de Educación y Ciencia
Comunidad de Madrid
Universidad de Alcalá
Bibliographic citation
Martín-López, S., Carrasco-Sanz, A., González-Herráez, M., Corredera, P., Hernanz, M.L. "Gain-flattening of fibre Raman amplifiers using nonlinear pump spectral broadening and pump power modulation", IEEE Proceedings-Optoelectronics, 2006, vol. 153, no. 5, pp.268-273.
Project
info:eu-repo/grantAgreement/MEC//TIC2003-01869/ES/Técnicas avanzadas de análisis Distribuido de Dispersiones en Fibras Ópticas instaladas usando efectos No Lineales
info:eu-repo/grantAgreement/CAM//S-0505%2FAMB%2F0374/ES/(BIO)SENSORES QUIMICOS AVANZADOS PARA MEDIA IN-SITU DE LA CALIDAD DE AGUAS BASADOS EN ELEMENTOS ESPECIFICOS DE RECONOCIMIENTO Y LECTURA MULTIFUNCIONAL INTEGRADA/FUTURSEN
info:eu-repo/grantAgreement/CAM//S2005%2FESP0417/ES//FACTOTEM-CM
info:eu-repo/grantAgreement/UAH//PI2005%2F076/ES/Aplicaciones de la difusión Brillouin estimulada para el desarrollo de sensores en fibra y dispositivos de procesado óptico de señales
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/acceptedVersion
Publisher's version
http://dx.doi.org/doi:10.1049/ip-opt:20060008Rights
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
© 2011 IEEE
Access rights
info:eu-repo/semantics/openAccess
Abstract
We propose a new technique for achieving gain-flattening of fibre Raman amplifiers based on nonlinear pump broadening and rapid pump power modulation. In our experiments, pump broadening of a continuous-wave Raman fibre laser tuned at 1455 nm is achieved by propagation in a non zero dispersion-shifted fibre (NZDSF). The amount of pump broadening is controlled by the pump power delivered into the NZDSF, and the flatness and center wavelength of the gain band is defined by the amount of pump broadening. With a rapid modulation of the pump power, flat gains of 9 dB with 0.2 dB ripples can be obtained in the case of three modulation levels (1.5/1.8/2.1 W) between 1580 and 1630 nm. Gains between 7 and 8.5 dB can be achieved in the spectral region between 1575 and 1640 nm
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