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Graphene photonic crystal fibre with strong and tunable light-matter interaction

机译：石墨烯光子晶体纤维具有强大和可调的灯具相互作用

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摘要

The integration of photonic crystal fibre (PCF) with various functional materials has greatly expanded the application regimes of optical fibre(1-12). The emergence of graphene (Gr) has stimulated new opportunities when combined with PCF, allowing for electrical tunability, a broadband optical response and all-fibre integration ability(13-18). However, previous demonstrations have typically been limited to micrometre-sized samples, far behind the requirements of real applications at the metre-scale level. Here, we demonstrate a new hybrid material, Gr-PCF, with length up to half a metre, produced using a chemical vapour deposition method. The Gr-PCF shows a strong light-matter interaction with similar to 8 dB cm(-1) attenuation. In addition, the Gr-PCF-based electro-optic modulator demonstrates a broadband response (1,150-1,600 nm) and large modulation depth (similar to 20 dB cm(-1) at 1,550 nm) under a low gate voltage of similar to 2 V. Our results could enable industrial-level graphene applications based on this Gr-PCF and suggest an attractive platform for two-dimensional material-PCF.
机译：光子晶体纤维（PCF）与各种功能材料的整合大大扩展了光纤（1-12）的应用方案。石墨烯（GR）的出现在与PCF结合时刺激了新的机会，允许电动可调性，宽带光学响应和全纤维集成能力（13-18）。然而，先前的演示通常仅限于微米大小的样本，远远落后于仪表级水平的实际应用的要求。在这里，我们展示了一种新的混合材料GR-PCF，长度长达半米，使用化学气相沉积法生产。 GR-PCF显示出具有类似于8 dB cm（-1）衰减的强烈的浅点相互作用。此外，基于GR-PCF的电光调制器在与2的低栅极电压下，宽带响应（1,150-1,600nm）和在1,550nm处的大量调制深度（类似于20dB cm（-1）） V.我们的结果可以基于该GR-PCF实现工业级石墨烯应用，并为二维材料-CCF建议有吸引力的平台。

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  • 来源
    《Nature photonics》 |2019年第11期|共7页
  • 作者

    Chen Ke; Zhou Xu; Cheng Xu; Qiao Ruixi; Cheng Yi; Liu Can; Xie Yadian; Yu Wentao; Yao Fengrui; Sun Zhipei; Wang Feng; Liu Kaihui; Liu Zhongfan;

  • 作者单位

    Peking Univ Beijing Sci &

    Engn Ctr Nanocarbons Beijing Natl Lab Mol Sci Ctr Nanochem Coll Chem &

    Mol Engn Beijing Peoples R China;

    Peking Univ Sch Phys Acad Adv Interdisciplinary Studies State Key Lab Mesoscop Phys Beijing Peoples R China;

    Peking Univ Sch Phys Acad Adv Interdisciplinary Studies State Key Lab Mesoscop Phys Beijing Peoples R China;

    Peking Univ Sch Phys Acad Adv Interdisciplinary Studies State Key Lab Mesoscop Phys Beijing Peoples R China;

    Peking Univ Beijing Sci &

    Engn Ctr Nanocarbons Beijing Natl Lab Mol Sci Ctr Nanochem Coll Chem &

    Mol Engn Beijing Peoples R China;

    Peking Univ Sch Phys Acad Adv Interdisciplinary Studies State Key Lab Mesoscop Phys Beijing Peoples R China;

    Peking Univ Beijing Sci &

    Engn Ctr Nanocarbons Beijing Natl Lab Mol Sci Ctr Nanochem Coll Chem &

    Mol Engn Beijing Peoples R China;

    Peking Univ Sch Phys Acad Adv Interdisciplinary Studies State Key Lab Mesoscop Phys Beijing Peoples R China;

    Peking Univ Sch Phys Acad Adv Interdisciplinary Studies State Key Lab Mesoscop Phys Beijing Peoples R China;

    Aalto Univ Dept Elect &

    Nanoengn Aalto Finland;

    Univ Calif Berkeley Dept Phys Berkeley CA 94720 USA;

    Peking Univ Sch Phys Acad Adv Interdisciplinary Studies State Key Lab Mesoscop Phys Beijing Peoples R China;

    Peking Univ Beijing Sci &

    Engn Ctr Nanocarbons Beijing Natl Lab Mol Sci Ctr Nanochem Coll Chem &

    Mol Engn Beijing Peoples R China;

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  • 正文语种 eng
  • 中图分类 光学;
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