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Opt Express. 2013 Apr 22;21(8):9289-97. doi: 10.1364/OE.21.009289.

Thulium-doped fiber amplifier for optical communications at 2 µm.

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1
Optoelectronics Research Centre, University of Southampton, Southampton, SO17 1BJ, UK. zl3g10@orc.soton.ac.uk

Abstract

We report the first experimental realization and detailed characterization of thulium doped fiber amplifiers (TDFAs) specifically designed for optical communications providing high gain (>35 dB), noise figure as low as 5 dB, and over 100 nm wide bandwidth around 2 µm. A maximum saturated output power of 1.2 W was achieved with a slope efficiency of 50%. The gain dynamics of the amplifier were also examined. Our results show that TDFAs are well qualified as high performance amplifiers for possible future telecommunication networks operating around 2 µm.

PMID:
23609639
[Indexed for MEDLINE]
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