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Optimization of Integrated Electro-Absorption Modulated Laser Structures for 100 Gbit/s Ethernet Using Electromagnetic Simulation

    • III-V Lab

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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    Abstract

    In this paper three options for very-high bit rate integrated electro-absorption modulated laser (EML) structures are investigated using electromagnetic simulation. A physics based distributed equivalent circuit model taking the slowwave propagation characteristics of the modulation signal into account is proposed for the electro-absorption modulator (EAM)electrode arrangement. This model makes it possible to apply an EM/circuit co-simulation approach to estimate the electrical to optical transmission bandwidth for the integrated EML. It is shown that a transmission bandwidth of 70 GHz seems feasible with the investigated EML structures if the driving impedance is reduced to 25 . It is also shown that the influence of electromagnetic cross-talk between components can be neglected in the estimation of the transmission bandwidth even in the case of very short separation zones. Finally, a slight decrease in transmission bandwidth is observed for an EML structure without ground pillars.
    Original languageEnglish
    Title of host publicationIMOC 2007
    PublisherIEEE
    Publication date2007
    ISBN (Print)978-1-4244-0661-6
    DOIs
    Publication statusPublished - 2007
    Event2007 SBMO/IEEE MTT-S International Microwave and Optoelectronic Conference - Salvador, Brazil
    Duration: 29 Oct 2007 → 1 Nov 2007

    Conference

    Conference2007 SBMO/IEEE MTT-S International Microwave and Optoelectronic Conference
    Country/TerritoryBrazil
    CitySalvador
    Period29/10/2007 → 01/11/2007

    Bibliographical note

    Copyright: 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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