学科分类
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1 个结果
  • 简介:Weproposeanovelsiliconopticalphaseshifterstructurebasedonheterogeneousstrip-loadedwaveguidesonaphotonicsilicononinsulator(SOI)platform.ThefeaturesofanetchlessSOIlayerandloadedstripwouldenhancetheperformanceanduniformityofsiliconopticalmodulatorsonalarge-scalewafer.WeimplementedthephaseshifterbyloadinganamorphoussiliconstripontoanSOIlayerwithaverticalPNdiodestructure.ComparedtotheconventionallateralPNphaseshifterbasedonhalf-etchedribwaveguides,thisphaseshiftershowsa>1.5timesenhancementofmodulationefficiencyandprovides>20GHzhigh-speedoperation.

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