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Mode measurement of few-mode fibers by mode-frequency mapping

机译：模式频率映射模式测量少量光纤

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摘要

Since few-mode fibers (FMFs) have great potential as the new transmission media for optical communications, the ability to distinguish different fiber modes is essential. Most of the traditional schemes do not yield phase information, or are limited by beam size and mechanical requirements. Here, a method is presented to analyze the mode distribution of FMFs. The fiber modes are mapped to different frequencies by using dynamic spatial phase masks. The complex amplitudes at these frequencies indicate the amplitudes and phases of the fiber modes. The method can extract not only the amplitude distribution, but also the phase distribution of the fiber modes, and no other assisted light is needed. (c) 2018 Optical Society of America
机译：由于少量模式光纤（FMFS）具有很大的潜力作为光通信的新传输介质，区分不同光纤模式的能力至关重要。 大多数传统方案不产生相位信息，或者受光束尺寸和机械要求的限制。 这里，提出了一种方法来分析FMFS的模式分布。 通过使用动态空间相位掩模，光纤模式映射到不同的频率。 这些频率的复振幅度表示纤维模式的幅度和相位。 该方法可以不仅提取幅度分布，还可以提取光纤模式的相位分布，并且不需要其他辅助光。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第7期|共4页
  • 作者

    Zhou Hailong; Zhu Qiuchi; Liang Wenhai; Zhu Guangze; Xue Yanyun; Chen Su; Shen Lei; Liu Mian; Dong Jianji; Zhang Xinliang;

  • 作者单位

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Yangtze Opt Fiber &

    Cable Joint Stock Ltd Co State Key Lab Opt Fiber &

    Cable Manufacture Techn Wuhan 430073 Hubei Peoples R China;

    Yangtze Opt Fiber &

    Cable Joint Stock Ltd Co State Key Lab Opt Fiber &

    Cable Manufacture Techn Wuhan 430073 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei Peoples R China;

    Huazhong Univ Sci &

    Technol Wuhan Natl Lab Optoelect Sch Opt &

    Elect Informat Wuhan 430074 Hubei 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;
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