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Ultraviolet to visible continuum generation in a silica photonic crystal fiber

机译：在石英光子晶体光纤中产生紫外到可见的连续谱

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摘要

The ultraviolet to visible continuum generations are experimentally demonstrated by coupling femtosecond pump pulses around 800 nm into the normal dispersion region close to the zero-dispersion wavelength in the fundamental mode of a silica photonic crystal fiber (PCF). The ultraviolet to visible continuum is generated through a combination of nonlinear effects including degenerate four-wave mixing, cross-phase modulation, and stimulated Raman scattering. When pump pulses with the wavelength of 800 nm and the input average power of 500 mW are used, more than 40% of the incident pump power is converted to the ultraviolet to visible spectral region. The evolution of the output spectra for different PCF lengths is studied to understand the nonlinear propagation dynamics during the process of the continuum generation. The ultraviolet to visible continuum generation will find important applications in the ultraviolet and visible-based biophotonics and spectroscopy.
机译：通过在石英光子晶体光纤（PCF）的基本模式下，将800 nm左右的飞秒泵浦脉冲耦合到接近零色散波长的正常色散区域中，实验证明了紫外到可见连续体的产生。紫外线到可见的连续体是通过非线性效应的组合产生的，这些非线性效应包括简并的四波混频，交叉相位调制和受激拉曼散射。当使用波长为800 nm的泵浦脉冲且输入平均功率为500 mW时，入射泵浦功率的40％以上会转换为紫外线到可见光谱区域。研究了不同PCF长度的输出光谱的演化过程，以了解连续体生成过程中的非线性传播动力学。紫外线到可见光连续体的产生将在基于紫外线和可见光的生物光子学和光谱学中找到重要的应用。

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  • 来源
    《Optical engineering》 |2018年第2期|026113.1-026113.5|共5页
  • 作者

    Lixiao Li; Jinhui Yuan; Xinzhu Sang; Binbin Yan; Kuiru Wang; Chongxiu Yu;

  • 作者单位

    Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing, China;

    Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing, China;

    Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing, China;

    Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing, China;

    Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing, China;

    Beijing University of Posts and Telecommunications, State Key Laboratory of Information Photonics and Optical Communications, Beijing, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    photonic crystal fiber; ultraviolet to visible continuum; nonlinear effects;

    机译：光子晶体光纤;紫外线至可见的连续体;非线性效应;

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