15 February 1994 Gain tilt in erbium-doped fiber amplifiers and its consequences for distortion in AM systems
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Proceedings Volume 2073, Fiber Laser Sources and Amplifiers V; (1994) https://doi.org/10.1117/12.168601
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States
Abstract
Distortions induced by erbium doped fiber amplifiers on optical AM signals are shown, experimentally and theoretically, to originate from the so called locked-inversion gain tilt of the amplifier. The locked-inversion gain tilt may be measured by simple methods, or it may be calculated from a standard steady-state numerical model. It is demonstrated by experiment and calculation that the gain-tilt, and hence the harmonic distortion, may be reduced to acceptable levels by proper design of the fiber amplifier without the need for separate equalization.
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Kristen Dybdal, Kristen Dybdal, S. Lomholt Hansen, S. Lomholt Hansen, P. Thorsen, P. Thorsen, Svend Bank Andreasen, Svend Bank Andreasen, } "Gain tilt in erbium-doped fiber amplifiers and its consequences for distortion in AM systems", Proc. SPIE 2073, Fiber Laser Sources and Amplifiers V, (15 February 1994); doi: 10.1117/12.168601; https://doi.org/10.1117/12.168601
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