Growth and electro-optical characterization of ZnMgTe/ZnTe waveguide by molecular beam epitaxy

W. Sun, Taizo Nakasu, K. Taguri, T. Aiba, S. Yamashita, Masakazu Kobayashi, H. Togo, T. Asahi

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    ZnMgTe/ZnTe/ZnMgTe thin film waveguide with high crystal quality were grown by molecular beam epitaxy (MBE). The in-plane mismatch between the ZnMgTe cladding layers and ZnTe core layer was about 0.02% which was measured by X-ray reciprocal space mapping (RSM). It indicated that films were grown coherently with high crystal quality. The Electro-Optical characterization of waveguide was evaluated using 1.55μm polarized lights and bias applied on the waveguide device from -15 V to +15 V. The de-pendence of light phase shift passed though the waveguide on the applied voltage bias was studied. The electro-optical characterization of the waveguide device was about 7% of the theoretical calculation. It could be improved by increasing the resistance ratio between the ZnMgTe/ZnTe/ZnMgTe waveguide structure and substrate so that the electric field applied on the waveguide structure could be improved. It was indicated that the ZnMgTe/ZnTe/ZnMgTe thin film waveguide has the potential to become a high efficiency electro-optical device.

    Original languageEnglish
    Pages (from-to)1252-1255
    Number of pages4
    JournalPhysica Status Solidi (C) Current Topics in Solid State Physics
    Volume11
    Issue number7-8
    DOIs
    Publication statusPublished - 2014

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    molecular beam epitaxy
    waveguides
    thin films
    polarized light
    crystals
    phase shift
    electric fields
    electric potential
    x rays

    Keywords

    • Electro-optical effect
    • Molecular beam epitaxy
    • Waveguide
    • ZnTe

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Growth and electro-optical characterization of ZnMgTe/ZnTe waveguide by molecular beam epitaxy. / Sun, W.; Nakasu, Taizo; Taguri, K.; Aiba, T.; Yamashita, S.; Kobayashi, Masakazu; Togo, H.; Asahi, T.

    In: Physica Status Solidi (C) Current Topics in Solid State Physics, Vol. 11, No. 7-8, 2014, p. 1252-1255.

    Research output: Contribution to journalArticle

    Sun, W. ; Nakasu, Taizo ; Taguri, K. ; Aiba, T. ; Yamashita, S. ; Kobayashi, Masakazu ; Togo, H. ; Asahi, T. / Growth and electro-optical characterization of ZnMgTe/ZnTe waveguide by molecular beam epitaxy. In: Physica Status Solidi (C) Current Topics in Solid State Physics. 2014 ; Vol. 11, No. 7-8. pp. 1252-1255.
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    AU - Nakasu, Taizo

    AU - Taguri, K.

    AU - Aiba, T.

    AU - Yamashita, S.

    AU - Kobayashi, Masakazu

    AU - Togo, H.

    AU - Asahi, T.

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    KW - Electro-optical effect

    KW - Molecular beam epitaxy

    KW - Waveguide

    KW - ZnTe

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