Performance of high-concentration Er(3+)-Yb(3+)-codoped phosphate fiber amplifiers

Performance of high-concentration Er(3+)-Yb(3+)-codoped phosphate fiber amplifiers in a copumping configuration is presented. Gain, noise figure, and output signal saturation power of fiber amplifiers with different lengths are reported. From a 3.6-cm-long fiber, 18-dB internal gain, i.e., 5 dB/cm,...

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Bibliographic Details
Published in:IEEE photonics technology letters 2001-07, Vol.13 (7), p.657-659
Main Authors: Hu, Yongdan, Jiang, Shibin, Luo, Tao, Seneschal, Karine, Morrell, Mike, Smektala, Frederic, Honkanen, Seppo, Lucas, Jacques, Peyghambarian, N
Format: Article
Language:English
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Summary:Performance of high-concentration Er(3+)-Yb(3+)-codoped phosphate fiber amplifiers in a copumping configuration is presented. Gain, noise figure, and output signal saturation power of fiber amplifiers with different lengths are reported. From a 3.6-cm-long fiber, 18-dB internal gain, i.e., 5 dB/cm, for small signal input at 1535 nm, was achieved. To the best of our knowledge, this is the highest gain per unit length for erbium-doped fiber amplifiers ever reported. (Author)
ISSN:1041-1135
DOI:10.1109/68.930405