Fiber Bragg gratings as gain equalization filters: impact of the residual reflectivity due to slanted Bragg grating

Laurent Brilland; Laurent Lablonde; R. Lebref; David Pureur

doi:10.1117/12.414126

2 February 2001 Fiber Bragg gratings as gain equalization filters: impact of the residual reflectivity due to slanted Bragg grating

Laurent Brilland, Laurent Lablonde, R. Lebref, David Pureur

Author Affiliations +

Proceedings Volume 4216, Optical Devices for Fiber Communication II; (2001) https://doi.org/10.1117/12.414126
Event: Information Technologies 2000, 2000, Boston, MA, United States

Abstract

Flat gain EDFA are key devices in long haul DWDM systems. A flat gain is needed to ensure an adequate signal to noise ratio evolution between channels during transmission. The dissipative filter introduced between two sections of doped fiber inside the amplifier can have a small residual reflective contribution at a particular wavelength. We have investigated the impact of such a back reflection and shown it is negligible for EDFA operation.

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Laurent Brilland, Laurent Lablonde, R. Lebref, and David Pureur "Fiber Bragg gratings as gain equalization filters: impact of the residual reflectivity due to slanted Bragg grating", Proc. SPIE 4216, Optical Devices for Fiber Communication II, (2 February 2001); https://doi.org/10.1117/12.414126

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