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Continuous-wave pumped frequency upconversions in an InSe- integrated microfiber

机译:inse-集成的微纤维中的连续波泵送频率上限

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摘要

We report the achievement of continuous-wave (CW)-pumped second-harmonic generation (SHG) and sum frequency generation (SFG) in a layered indium selenide (InSe)-integrated microfiber. As a result of the strong interaction between the InSe nanosheets and the evanescent field, the second-order nonlinear processes are greatly enhanced in the InSe-integrated microfiber pumped by a few milliwatt CW lasers. The experimental results reveal that the intensities of SHG and SFG are quadratic and linear dependencies with the incident pump power, respectively, which is consistent with theoretical predictions. Additionally, the SHG intensity is strongly polarization-dependent on the nonaxisymmetrical distribution of the InSe nanosheets around the microfiber, providing the possibility of the SHG-polarized manipulation. The proposed device has the potential to be integrable into all-fiber systems for nonlinear applications. (C) 2021 Optical Society of America
机译:我们报道了在层状硒化铟(InSe)集成微纤维中实现连续波(CW)泵浦的二次谐波产生(SHG)和和和频产生(SFG)。由于InSe纳米片与倏逝场之间的强相互作用,在由几毫瓦连续激光泵浦的InSe集成微纤维中,二阶非线性过程大大增强。实验结果表明,倍频和倍频的强度分别与入射泵浦功率成二次和线性关系,这与理论预测一致。此外,倍频强度强烈依赖于微纤维周围InSe纳米片的非轴对称分布,从而提供了倍频偏振操纵的可能性。该器件有望集成到所有光纤系统中,用于非线性应用。(2021)美国光学学会

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  • 来源
    《Optics Letters》 |2021年第4期|共4页
  • 作者单位

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

    Northwestern Polytech Univ MOE Key Lab Mat Phys &

    Chem Extraordinary Condit Xian 710129 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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