Impulse radio ultrawideband pulse shaper based on a programmable photonic chip frequency discriminator

David Marpaung, Ludovic Chevalier, Maurizio Burla, Chris Roeloffzen

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    29 Citations (Scopus)
    47 Downloads (Pure)

    Abstract

    We report and experimentally demonstrate the generation of impulse radio ultrawideband (UWB) pulses using a photonic chip frequency discriminator. The discriminator consists of three add-drop optical ring resonators (ORRs) which are fully programmable using thermo-optical tuning. This discriminator chip in combination with a phase modulator forms a temporal differentiator where phase modulation is converted to intensity modulation (PM-IM conversion). By means of tailoring the discriminator response using either the individual or the cascade of drop and through responses of the ORRs, first-order or second-order temporal differentiations are obtained. Using this principle, the generation of UWB monocycle, doublet and modified doublet pulses are demonstrated. The use of this CMOS-compatible discriminator is promising for the realization of a compact and low cost UWB transmitter.
    Original languageEnglish
    Pages (from-to)24838-24848
    Number of pages11
    JournalOptics express
    Volume19
    Issue number25
    DOIs
    Publication statusPublished - 21 Nov 2011

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