Experimental comparison of models for ultrafast impact ionization is silicon

Abebe Tilahun Tarekegne, Krzysztof Iwaszczuk, Peter Uhd Jepsen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    We compare experimentally the exponential and quadratic (Keldysh formula) impact ionization models using THz induced impact ionization in silicon. We demonstrate that the exponential model offers the best description of impact ionization process for ultrashort electric filed pulses.
    Original languageEnglish
    Title of host publication2016 Conference on Lasers and Electro-Optics
    Number of pages2
    PublisherOptical Society of America (OSA)
    Publication date2016
    Pages1-2
    ISBN (Print)9781943580118
    Publication statusPublished - 2016
    Event2016 Conference on Lasers and Electro-Optics - San Jose McEnery Convention Center, San Jose, United States
    Duration: 5 Jun 201610 Jun 2016
    http://www.cleoconference.org

    Conference

    Conference2016 Conference on Lasers and Electro-Optics
    LocationSan Jose McEnery Convention Center
    Country/TerritoryUnited States
    CitySan Jose
    Period05/06/201610/06/2016
    Internet address

    Keywords

    • Impact ionization
    • Silicon
    • Probes
    • Adaptation models
    • Electric fields
    • Dipole antennas
    • Antenna measurements

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