Photonic Sensors, 2016, 6 (4): 324, Published Online: Oct. 21, 2016   

Fiber Cavity Ring Down and Gain Amplification Effect

Author Affiliations
1 INESC TEC, Rua do Campo Alegre 687, 4169-007 Porto, Portugal and Dept. de Física e Astronomia da Faculdade de Ciencias da Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal
2 Public University of Navarra, Dept. of Electric and Electronic Engineering, Campus de Arrosadía, Pamplona, Spain.
Abstract
The effect of an erbium-doped fiber amplifier (EDFA) placed inside the fiber ring of a cavity ring down (CRD) configuration is studied. The limitations and advantages of this configuration are discussed, and the study of the ring-down time as a function of the current applied and gain to the EDFA is also presented. In this case, the power fluctuations in the output signal are strongly dependent on the cavity ring-down time with the EDFA gain.
References

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Susana SILVA, Regina MAGALHAES, Rosa Ana PEREZ-HERRERA, Manuel LOPEZ-AMO, M. B. MARQUES, O. FRAZAO. Fiber Cavity Ring Down and Gain Amplification Effect[J]. Photonic Sensors, 2016, 6(4): 324.

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