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We demonstrate parametric amplification around 2 μm in a dispersion engineered tapered microstructured chalcogenide fiber. Almost 5 dB of signal amplification was achieved by 125 mW coupled power from a thulium-doped fiber pump laser.
Camille Sophie Brès, Marco Clementi, Ozan Yakar, Christian André Clément Lafforgue
David Lyndon Emsley, Albert Hofstetter