期刊
OPTICS EXPRESS
卷 20, 期 22, 页码 25077-25084出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.20.025077
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资金
- ERC grant NANOPOTS
- EPSRC Doctoral Prize Fellowship
- EPSRC [EP/GO30480/1]
- EU Grant RODIN
- EU Grant GENIUS
- Royal Society Wolfson Research Merit Award
- RAEng Fellowship
- EPSRC [EP/G030480/1, EP/H00274X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H00274X/1, EP/G030480/1] Funding Source: researchfish
We demonstrate mode-locking of a thulium-doped fiber laser operating at 1.94 mu m, using a graphene-polymer based saturable absorber. The laser outputs 3.6 ps pulses, with similar to 0.4 nJ energy and an amplitude fluctuation similar to 0.5%, at 6.46 MHz. This is a simple, low-cost, stable and convenient laser oscillator for applications where eye-safe and low-photon-energy light sources are required, such as sensing and biomedical diagnostics. (C) 2012 Optical Society of America
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