40Gbit/sおよび80Gbit/s光RZ信号からの10GHzクロック信号抽出の検討 A study on 10-GHz Clock Signal Extraction from 40-Gbit/s and 80-Gbit/s RZ Optical Signals

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Three kinds of clock recovery circuit for 40-Gbit/s optical RZ signals are fabricated and their characteristics are compared. The three schemes comprise a phase lock loop (PLL) including a voltage-controlled oscillator, an injection locking, and a logic operation by T-flip-flop. The injection-locking scheme is then applied for 80-Gbit/s signals, where the input optical signal is converted into a 40-GHz signal by an optical modulator driven by the output of the locking circuit. Characteristics as hold-in rage, frequency response, and phase noise are measured and compared among the schemes. The properties of the PLL and the injection locking circuit were relatively similar and those of the TFF circuit were uncharacteristic compared with others. Performance of the circuits was confirmed by error free transmission and by stable phase noise over 24 hours. Phase noise transfer properties of the three schemes are briefly discussed.

収録刊行物

  • 電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society  

    電気学会論文誌. C, 電子・情報・システム部門誌 = The transactions of the Institute of Electrical Engineers of Japan. C, A publication of Electronics, Information and System Society 126(11), 1290-1295, 2006-11-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10018318232
  • NII書誌ID(NCID)
    AN10065950
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854221
  • NDL 記事登録ID
    8560215
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-795
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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