Journal
OPTICS EXPRESS
Volume 21, Issue 8, Pages 9289-9297Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.009289
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Funding
- China Scholarship Council
- EU [300859, 258033]
- UK EPSRC [EP/I01196X/1]
- EPSRC [EP/I01196X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I01196X/1] Funding Source: researchfish
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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 mu m. 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 mu m. (C) 2013 Optical Society of America
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