Yb<sup>3+</sup>-ring-doped fiber for high-energy pulse amplification

We report what is to our knowledge the first demonstration of pulse amplification in a cw-pumped fiber in which the doped gain medium has a ring shape surrounding a single-mode core. For a given pump power, ring doping reduces the gain and hence the power lost to amplified spontaneous emission. Ther...

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Bibliographic Details
Main Authors: Nilsson, J. (Author), Paschotta, R. (Author), Caplen, J.E (Author), Hanna, D.C (Author)
Format: Article
Language:English
Published: 1997.
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