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Proceedings Paper

Gain-tilt in erbium-doped fiber amplifiers, and its consequences for distortion in AM systems
Author(s): Kristen Dybdal; S. Lomholt Hansen; P. Thorsen; Svend Bank Andreasen
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Paper 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.

Paper Details

Date Published: 15 February 1994
PDF: 10 pages
Proc. SPIE 2073, Fiber Laser Sources and Amplifiers V, (15 February 1994); doi: 10.1117/12.168601
Show Author Affiliations
Kristen Dybdal, Jydsk Telefon (Denmark)
S. Lomholt Hansen, Jydsk Telefon (Denmark)
P. Thorsen, Jydsk Telefon (Denmark)
Svend Bank Andreasen, Jydsk Telefon (Denmark)

Published in SPIE Proceedings Vol. 2073:
Fiber Laser Sources and Amplifiers V
Michel J. F. Digonnet, Editor(s)

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