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有读书笔记有附件Implementation and evaluation of a dual parallel linearization system for AM-SCM video transmission

vickyz 添加于 2010-3-23 21:45 | 1452 次阅读 | 0 个评论

  •  作 者

    Brooks JL, Maurer GS, Becker RA

  •  摘 要

    An externally modulated transmitter was linearized for AM subcarrier multiplexing (AM-SCM) video transmission. Linearization was accomplished by combining the outputs of two lithium niobate Mach-Zehnder interferometers which were simultaneously modulated. By controlling the optical and RF power at each modulator, more than 20 dB of third-order distortion cancellation was demonstrated for a multitone video spectrum. Results are presented for both NTSC and PAL B/G frequency plans. The effects of modulator nonideality on system performance are analyzed and confirmed experimentally. In particular, overall system performance is shown to be very sensitive to acoustic effects and to optical and electrical multipath interference. System modeling is used to provide tolerances on various critical parameters

  •  详细资料

    • 文献种类: Journal Article
    • 期刊名称: Journal of Lightwave Technology
    • 期刊缩写: J. Lightwave Technol.
    • 期卷页: 第11卷 第1期 34-41页
    • ISBN: 0733-8724

  • 学科领域 信息系统 » 电子通信

  •  标 签

    Analog Photonics  3rd-order intermodulation supp 

  • 相关链接 DOI URL 

  •  vickyz 的文献笔记  订阅

    Suppress the 3rd-order distortion by incorprating two MZM and adjust their amplitude/phase.....This can be experimentally tried by the DPMZM to examine the result recently

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