Active synchronization and modulation of fiber lasers with a graphene electro-optic modulator

Diao Li, Hui Xue, Yadong Wang, Mei Qi, Wonjae Kim, Changfeng Li, Juha Riikonen, Zhaoyu Ren, Jintao Bai, Harri Lipsanen, Zhipei Sun

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    Abstract

    We report the synchronization of two actively Q-switched fiber lasers operating at 1.5 μm and 2 μm 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 erbium-doped 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 μm and 2 μm with a repetition rate ranging from 46 kHz to 56 kHz.

    Original languageEnglish
    Pages (from-to)3497-3500
    Number of pages4
    JournalOptics Letters
    Volume43
    Issue number15
    DOIs
    Publication statusPublished - 1 Aug 2018
    MoE publication typeNot Eligible

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    Cite this

    Li, D., Xue, H., Wang, Y., Qi, M., Kim, W., Li, C., Riikonen, J., Ren, Z., Bai, J., Lipsanen, H., & Sun, Z. (2018). Active synchronization and modulation of fiber lasers with a graphene electro-optic modulator. Optics Letters, 43(15), 3497-3500. https://doi.org/10.1364/OL.43.003497