Second order distortion in Er-doped fibres
- 10 September 1992
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 28 (19) , 1807-1808
- https://doi.org/10.1049/el:19921152
Abstract
It is shown that AM signals introduce travelling inversion waves in the Er-doped fibre amplifier. A formula for the induced distortion is found. Especially for Er-doped fibres with high numerical aperture the distortions may reach magnitudes which are problematic in relation to AM-FDM optical video links.Keywords
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