Detailed theoretical and experimental investigation of high-gain erbium-doped fiber amplifier

Bo Pedersen, Kristen Dybdal, Carsten Dam-Hansen, Anders Overgaard Bjarklev, Jørn Hedegaard Povlsen, Helle Vendeltorp-Pommer, Carl Christian Larsen

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    A full-scale numerical model for the erbium-doped fiber amplifier has been developed that incorporates realistic index and erbium-concentration profiles as well as the spectral distribution of amplified spontaneous emission (ASE). The high accuracy of the model is demonstrated by comparison with a comprehensive set of data, including gain, ASE, and pump power, obtained for a well-characterized Er-Al-doped fiber. An absorption-to-emission cross-section ratio of 1.0 was measured at the gain peak. Pumping at 654 nm, the excited state absorption was observed to be insignificant. A high gain of 39.6 dB was achieved in the experiment
    Original languageEnglish
    JournalI E E E Photonics Technology Letters
    Issue number12
    Pages (from-to)863-865
    Publication statusPublished - 1990

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