Journal
APPLIED OPTICS
Volume 59, Issue 1, Pages 196-200Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.59.000196
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Funding
- National Natural Science Foundation of China [61905151, 61905146, 61575129, 61605122, 61775146, 11704260]
- National Key R&D Program of China [2016YFA0401100]
- Natural Science Foundation of Guangdong Province [2016A030310049]
- Major Science and Technology Project of Guangdong Province [2014B010131006]
- Shenzhen Science and Technology Project [JCYJ20160328144942069, JCYJ20160427105041864, JCYJ20160520161351540, JCYJ20170302151146995, JSGG20160429114438287, KQJSCX20160226194031]
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A passively mode-locked thulium-doped fiber laser using a tungsten ditelluride saturable absorber (WTe2-SA) is demonstrated. High-power mode-locked pulses with an average output power of 108.1 mW were achieved by incorporating the WTe2-SA into a thulium-doped fiber oscillator. To the best of our knowledge, this is the highest average power obtained from a WTe2-SA-based fiber laser. We further amplified the output power to 5.60 W with an all-fiber thulium-doped double-cladding fiber amplifier. Our result indicates that WTe2-SA could be an excellent candidate for a high-power fiber laser system. (C) 2019 Optical Society of America
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