Comparison of gamma and proton-induced radiation damage in long-wavelength VCSELs

Marco Van Uffelen, Johny Mols, Andrei Goussarov, C. Neumeyr, M. Ortsiefer, Francis Berghmans

    Research outputpeer-review

    Abstract

    We studied long-wavelength vertical-cavity surface-emitting laser diodes (LW-VCSELs) emitting in the 1.4-1.7 µm range under gamma radiation up to 9 MGy and 36 MeV protons up to 1013 p/cm², in order to compare the impact of both ionizing and displacement damage on their optical and electrical properties. The limited threshold shift and slope efficiency degradation of these state-of-the-art electrically-pumped laser diodes allow us to envisage data and sensor applications in various radiation environments.
    Original languageEnglish
    Title of host publicationProceedings of the 9th European Conference on Radiation and its Effects on Components and Systems
    Place of PublicationNew York, NY, United States
    StatePublished - 12 Sep 2007
    Event9th European Conference on Radiation and Its Effects on Components and Systems (RADECS 2007) - Deauville
    Duration: 10 Sep 200714 Sep 2007

    Conference

    Conference9th European Conference on Radiation and Its Effects on Components and Systems (RADECS 2007)
    Country/TerritoryFrance
    CityDeauville
    Period2007-09-102007-09-14

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