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首页> 外文期刊>Optics Letters >Folded thin-film lithium niobate modulator based on a poled Mach-Zehnder interferometer structure
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Folded thin-film lithium niobate modulator based on a poled Mach-Zehnder interferometer structure

机译：基于极化Mach-Zehnder干涉仪结构的折叠薄膜锂铌酸锂调节剂

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摘要

The thin-film lithium niobate structure has been used recently to construct compact and high-performance electro-optical modulators. Due to the moderate electro-optical coefficient of the lithium niobate material, the device length of such a modulator is still long, a few centimeters usually. Here, a folded Mach-Zehnder interferometer based modulator on x-cut thin-film lithium niobate is demonstrated. An effective poling procedure is developed to activate the device. The proposed modulator structure can shorten the device length without affecting its performance. The measured V pi L product of a fabricated and completely poled folded modulator is about 2.74 V. cm, and the 3 dB electro-optical bandwidth is about 55 GHz. They are close to those of a conventional Mach-Zehnder modulator with a straight modulation section. (C) 2021 Optical Society of America
机译：近年来，薄膜铌酸锂结构被用于构造紧凑、高性能的电光调制器。由于铌酸锂材料的电光系数适中，这种调制器的器件长度仍然很长，通常只有几厘米。本文介绍了一种基于x切薄膜铌酸锂调制器的折叠马赫-曾德尔干涉仪。开发了一种有效的极化程序来激活该装置。提出的调制器结构可以在不影响性能的情况下缩短器件长度。制作了一个完全极化的折叠调制器，测得的V pi L乘积约为2.74 V.cm，3 dB的电光带宽约为55 GHz。它们与具有直调制段的传统马赫-曾德尔调制器接近。（2021）美国光学学会

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  • 来源
    《Optics Letters》 |2021年第12期|共4页
  • 作者

    Hu Jinyao; Li Chijun; Guo Changjian; Lu Chao; Lau Alan Pak Tao; Chen Pengxin; Liu Liu;

  • 作者单位

    South China Normal Univ Higher Educ Megactr South China Acad Adv Optoelect Ctr Opt &

    Electromagnet Res Guangdong Prov Key La Bldg 5 Guangzhou 510006 Peoples R China;

    South China Normal Univ Higher Educ Megactr South China Acad Adv Optoelect Ctr Opt &

    Electromagnet Res Guangdong Prov Key La Bldg 5 Guangzhou 510006 Peoples R China;

    South China Normal Univ Higher Educ Megactr South China Acad Adv Optoelect Ctr Opt &

    Electromagnet Res Guangdong Prov Key La Bldg 5 Guangzhou 510006 Peoples R China;

    Hong Kong Polytech Univ Photon Res Ctr Dept Elect &

    Informat Engn Hong Kong Peoples R China;

    Hong Kong Polytech Univ Photon Res Ctr Dept Elect Engn Hong Kong Peoples R China;

    South China Normal Univ Higher Educ Megactr South China Acad Adv Optoelect Ctr Opt &

    Electromagnet Res Guangdong Prov Key La Bldg 5 Guangzhou 510006 Peoples R China;

    Zhejiang Univ Coll Opt Sci &

    Engn Int Res Ctr Adv Photon State Key Lab Modern Opt Instrumentat Ctr Opt &

    E East Bldg 5 Zijingang Campus Hangzhou 310058 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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