InAs/InGaAsP Quantum Dots Emitting at 1.5 μm for Applications in Lasers

Elizaveta Semenova, Irina Kulkova, Shima Kadkhodazadeh, Martin Schubert, Rafal E. Dunin-Borkowski, Kresten Yvind

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

    Abstract

    In this work the epitaxial growth of InAs quantum dots (QDs) in an InGaAsP matrix on an InP wafer is described. A new approach to shift the emission wavelength to the 1.5μm region using deposition of a thin GaAs capping layer on top of the QDs is suggested and exploited. Laser structures based on 5 layers of such dots as the gain material demonstrate lasing in continuous wave regime at 1.5 μm wavelength at room temperature.
    Original languageEnglish
    Title of host publication2011 Compound Semiconductor Week and 23rd International Conference on Indium Phosphide and Related Materials Compound Semiconductor Week (CSW/IPRM)
    PublisherIEEE
    Publication date2011
    ISBN (Print)978-1-4577-1753-6
    Publication statusPublished - 2011
    Event23rd International Conference on Indium Phosphide and Related Materials - Maritim proArte Hotel, Berlin, Germany
    Duration: 22 May 201125 May 2011
    Conference number: 23

    Conference

    Conference23rd International Conference on Indium Phosphide and Related Materials
    Number23
    LocationMaritim proArte Hotel
    Country/TerritoryGermany
    CityBerlin
    Period22/05/201125/05/2011

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