Journal
OPTICS LETTERS
Volume 43, Issue 15, Pages 3497-3500Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.43.003497
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Funding
- European Union's Seventh Framework Programme [631610, 696656]
- Academy of Finland [276376, 284548, 295777, 304666, 312297, 312551, 314810]
- China Scholarship Council (CSC)
- International Science and Technology Cooperation Project [2014DFR10780]
- National Science Foundation for Young Scholars of China [61505162]
- Natural Science Basic Research Plan in Shaanxi Province of China [2016JQ6059]
- Foundation of the Education Committee of Shaanxi Province [14JK1756]
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We report the synchronization of two actively Q-switched fiber lasers operating at 1.5 mu m and 2 mu m with a shared broadband graphene electro-optic modulator. Two graphene monolayer sheets separated with a high-k HfO2 dielectric layer are configured to enable broadband light modulation. The graphene electro-optic modulator is shared by two optical fiber laser cavities (i.e., an erbiumdoped fiber laser cavity and a thulium/holmium-codoped fiber laser cavity) to actively Q-switch the two lasers, resulting in stable synchronized pulses at 1.5 mu m and 2 mu m with a repetition rate ranging from 46 kHz to 56 kHz. (C) 2018 Optical Society of America
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