Laming, R.I., Morkel, P.R. and Payne, D.N.
Gain cross saturation and spectral hole-burning in wideband erbium-doped fibre amplifiers
Optics Letters, 16, (19), . (doi:10.1364/OL.16.001499).
Cross-saturation characteristics are investigated in broadband 1.48-µm pumped and 980-nm pumped gain-shaped erbium-doped fiber amplifiers. Gain shaping is shown to give a more uniform spectral gain compression on saturation. In addition, a degree of room-temperature spectral gain hole burning is observed for what is to our knowledge the first time.
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