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Photonic approach for generating bandwidth-doubled and switchable multi-format chirp waveforms

机译:发电带宽和可切换多格式Chirp波形的光子方法

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摘要

A novel photonic approach for generating switchable multi-format chirp RF waveforms is proposed and experimentally demonstrated. The key component in the scheme is a dual-parallel Mach-Zehnder modulator (DPMZM). By properly setting the bias voltage on the DPMZM, different chirp RF waveforms with a doubled bandwidth, including the dual-, up-, and down-chirp waveforms, can be generated, when an unmodulated RF signal and a chirp RF signal are injected. The experiments are implemented to demonstrate the generation of switchable chirp waveforms with bandwidths of 2 and 0.8 GHz. The proposed scheme features its compact structure, easiness in switching control, as well as bandwidth doubling, which has potential applications in multifunctional radars. (C) 2021 Optical Society of America
机译:提出了一种新的产生可切换多格式啁啾射频波形的光子方法,并进行了实验验证。该方案的关键部件是双并联马赫-曾德尔调制器(DPMZM)。通过正确设置DPMZM上的偏置电压,当注入未调制的射频信号和啁啾射频信号时,可以生成带宽加倍的不同啁啾射频波形,包括双啁啾、上啁啾和下啁啾波形。实验证明了产生带宽为2和0.8GHz的可切换啁啾波形。该方案结构紧凑,易于切换控制,带宽倍增,在多功能雷达中具有潜在的应用前景。(2021)美国光学学会

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  • 来源
    《Optics Letters》 |2021年第7期|共4页
  • 作者单位

    Zhejiang Univ Coll Informat Sci &

    Elect Engn Hangzhou 310027 Peoples R China;

    Hangzhou Dianzi Univ Sch Commun Engn Hangzhou 310018 Peoples R China;

    Hangzhou Dianzi Univ Sch Commun Engn Hangzhou 310018 Peoples R China;

    Zhejiang Univ Coll Informat Sci &

    Elect Engn Hangzhou 310027 Peoples R China;

    Hangzhou Dianzi Univ Sch Commun Engn Hangzhou 310018 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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