Volume 41 Issue 8
Sep.  2012
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Article Navigation >  Infrared and Laser Engineering  > 2012  >  41(8): 2112-2118

  • 1.

    Telecommunication Engineering Institute,Air Force Engineering University,Xi'an 710077,China;

  • 2.

    National Key Laboratory of Science and Technology on Space Microwave Technology,Xi'an 710000,China

  • Theinfluenceofphaseshiftdriftandsplittingratioonsidebandssuppressionratioofoptical millimeterwaveandbiterrorrate(BER)ofradiooverfiber(ROF)systemaregreat.Fortheschemeof opticalmillimeterwavegenerationwithoctupling-frequencyusingtwocascadedMach-Zehndermodulators, withthemethodofexpandingBesselseries,anexactanalyticalsolutionforopticalmillimeterwave affectedbyphaseshiftdriftandsplittingratiowasderived.Itfollowedthattheundesiredsidebands suppressionratiowas35.9dBwhenthesplittingratiodeviationwas0.001andphaseshiftdriftwas1. Theharmonicinfluencecouldbeneglectedinthiscase.Simulationresultsshowthatfor0.001splitting ratiodeviationand1phaseshiftdrift,thepowerpenaltyvalueis0.001dBatBERof10-10inback-to-back signaltransmission.Thepowerpenaltyvalueis0.145dBafter20kmtransmission.Thesystemperformance isgood.
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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相位偏移和分束比对八倍频光毫米波产生及传输的影响分析

  • 1. Telecommunication Engineering Institute,Air Force Engineering University,Xi'an 710077,China;
  • 2. National Key Laboratory of Science and Technology on Space Microwave Technology,Xi'an 710000,China

Abstract: Theinfluenceofphaseshiftdriftandsplittingratioonsidebandssuppressionratioofoptical millimeterwaveandbiterrorrate(BER)ofradiooverfiber(ROF)systemaregreat.Fortheschemeof opticalmillimeterwavegenerationwithoctupling-frequencyusingtwocascadedMach-Zehndermodulators, withthemethodofexpandingBesselseries,anexactanalyticalsolutionforopticalmillimeterwave affectedbyphaseshiftdriftandsplittingratiowasderived.Itfollowedthattheundesiredsidebands suppressionratiowas35.9dBwhenthesplittingratiodeviationwas0.001andphaseshiftdriftwas1. Theharmonicinfluencecouldbeneglectedinthiscase.Simulationresultsshowthatfor0.001splitting ratiodeviationand1phaseshiftdrift,thepowerpenaltyvalueis0.001dBatBERof10-10inback-to-back signaltransmission.Thepowerpenaltyvalueis0.145dBafter20kmtransmission.Thesystemperformance isgood.

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