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Raman amplification of 1.50-µm laser diode light in a low fiber loss region

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5 Author(s)
Nakamura, K. ; Furukawa Electric Company, Ltd., Futaba, Shinagawa-ku, Tokyo, Japan ; Kimura, M. ; Yoshida, S. ; Hidaka, T.
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Raman amplification utilizing the second Stokes line of 1.32-μm Nd:YAG laser light in a single-mode silica fiber was observed. Raman gains of 24 dB have been obtained for 1.50-μm laser diode light in the low-loss region. In addition, the signal-to-noise characteristics of Raman amplification using the second Stokes line was investigated. As a result, it became clear that theS/Nratio was inferior to that in 1st Stokes line by about one order of magnitude.

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Lightwave Technology, Journal of  (Volume:2 ,  Issue: 4 )