Fiber cavity ring down and gain amplification effect

Susana Silva; Regina Magalhães; Rosa Ana Pérez-Herrera; Manuel Lopez-Amo; M. B. Marques; O. Frazão

doi:10.1007/s13320-016-0309-9

Photonic Sensors ›› 2015, Vol. 6 ›› Issue (4) : 324 -327. DOI: 10.1007/s13320-016-0309-9

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Fiber cavity ring down and gain amplification effect

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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.

Keywords

Cavity ring down / EDFA / multimode laser / optical fibers

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Susana Silva, Regina Magalhães, Rosa Ana Pérez-Herrera, Manuel Lopez-Amo, M. B. Marques, O. Frazão. Fiber cavity ring down and gain amplification effect. Photonic Sensors, 2015, 6(4): 324-327 DOI:10.1007/s13320-016-0309-9

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