Journal
OPTICS LETTERS
Volume 43, Issue 18, Pages 4378-4381Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.43.004378
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Funding
- Key Research and Development Program of Ministry of Science and Technology of the People's Republic of China (MOST) [2016YFC0801202]
- Project of National Natural Science Foundation of China (NSFC) [61377066, 61635004, 61705023, 61705024]
- Science Fund for Distinguished Young Scholars of Chongqing [CSTC2014JCYJJQ40002]
- National Postdoctoral Program for Innovative Talents [BX201600200]
- Science and Technology on Plasma Physics Laboratory [6142A0403050817]
- General Financial Grant from the China Postdoctoral Science Foundation [2017M610589]
- Fundamental Research Funds for the Central Universities [106112017CDJXY120004]
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Ultrafast lasers with tunable capabilities of pulse duration and spectrum have widespread applications in telecommunication, spectroscopy, and nonlinear optical bio-imaging. However, traditional mechanical and electrical tuning methods are still challenging for precise and stable controlling. Based on graphene's photo-thermal effect, we tune the bandwidths and wavelengths of chirped fiber Bragg gratings with flexible graphene-coating approaches. By inserting the fabricated devices into an ultrafast fiber laser cavity, durations and wavelengths of the generated pulses can be all-optically tuned with sensitivities of 470 fs/mW and 2.9 pm/mW, separately. Such an optical-controlled method provides a compact and precise way to regulate various laser properties. (C) 2018 Optical Society of America.
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