Evaluation of chromatic dispersion in erbium doped fibre amplifiers
- 26 September 1991
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 27 (20) , 1867-1869
- https://doi.org/10.1049/el:19911159
Abstract
The value of chromatic dispersion D throughout the gain spectrum of erbium doped fibre amplifiers (EDFA) is derived from the experimental measurement of the erbium ion susceptibility. The expression of D has been redefined (D*) in units of ps/nm/dB to give a practical value of this quantity. The results provided by the derivation show that chromatic dispersion is more relevant and reaches its maximum values D* = ± 7 fs/nm/dB around the 1532 nm gain peak of EDFA.Keywords
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