9 dB gain improvement of 1300 nm optical amplifier by amplified spontaneous emission suppressing fibre design
- 12 September 1991
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 27 (19) , 1701-1702
- https://doi.org/10.1049/el:19911059
Abstract
A new design of an Nd-doped fluoride fibre for 1300 nm small-signal amplification is presented. By placing the active material so that the 1050 nm amplified spontaneous emission is discriminated, a gain improvement of up to 6.6 dB is predicted. By including higher order pump modes an extra 2.1 dB gain improvement is achieved.Keywords
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