Journal
OPTICS LETTERS
Volume 38, Issue 10, Pages 1615-1617Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.38.001615
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Funding
- EU [258033 (MODE-GAP), 300859 (ADMIRATION)]
- 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 on the generation of picosecond pulses at 2 mu m directly from a gain-switched discrete-mode diode laser and their amplification in a multistage thulium-doped fiber amplifier chain. The system is capable of operating at repetition rates in the range of 2 MHz-1.5 GHz without change of configuration, delivering high-quality 33 ps pulses with up to 3.5 mu J energy and 100 kW peak power, as well as up to 18 W of average power. These results represent a major technological advance and a 1 order of magnitude increase in peak power and pulse energy compared to existing picosecond sources at 2 mu m. (C) 2013 Optical Society of America
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