Simulation and Analysis of InGaP/GaAs DHPTs Using Eye Diagrams for Short Wavelength Optical Detection

Yongjian Zhang, Ali A. Rezazadeh, Hassan A. Khan, Emerson P. Sinulingga, Peter B. Kyabaggu, Mohammad A. Alim

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    Eye diagram is adopted as a powerful tool to analyse the performance of an optical detector, which provides highly insightful information about components performance than S-parameter and photoresponse analysis. In this work a 16×20 μm2 In0.49Ga0.51P/GaAs DHPT operating as a short wavelength (850nm) photodetector is evaluated. PRBS signals with data rates between 0.5 to 3Gbps are used as the input signal to a modified small signal T-model circuit, which includes an optical current source, to simulate eye diagram in ADS. Through analysing eye diagrams deteriorations caused by the input optical power, data rate and physical parameters of the device variations, eye diagram would assist in device optimizations for performance enhancement.
    Original languageEnglish
    Title of host publicationEuropean Microwave
    Place of PublicationUSA
    PublisherIEEE
    Pages524-527
    Number of pages4
    DOIs
    Publication statusPublished - Oct 2014
    EventEuropean Microwave Conference - Rome, Italy
    Duration: 7 Oct 20149 Oct 2014
    http://Xplore

    Conference

    ConferenceEuropean Microwave Conference
    CityRome, Italy
    Period7/10/149/10/14
    Internet address

    Keywords

    • InGaP/GaAs HPTs, eye diagram, opitcal preperties, small signal parameters

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