Transverse magnetic emissions of GaAs unstrained quantum-well microcavity lasers

Takehiro Fukushima, Susumu Shinohara, Satoshi Sunada, Takahisa Harayama, Koichiro Sakaguchi, Yasunori Tokuda

    研究成果: Conference contribution

    抄録

    We investigated the polarization characteristics of emissions from two-dimensional microcavity laser diodes. For an unstrained single-quantum-well active layer structure, an argument based on the interband optical transition usually leads to the lasing of transverse electric (TE) rather than transverse magnetic (TM) modes. Indeed, we observed TE-polarized emissions for the excitation of modes quantized along a one-dimensional (Fabry-Perot) orbit. However, when selectively pumping modes quantized along a diamond-shaped ray orbit, we observed TM-polarized emissions. These unusual TM-polarized emissions can be explained by the fact that the incident angles of the diamond-shaped orbit are very close to the Brewster angle, making corresponding TE modes too leaky to be excited. This mode-dependent polarization leads us to propose a microcavity laser diode with the function of polarization switching.

    本文言語English
    ホスト出版物のタイトルInternational Conference on Transparent Optical Networks
    出版社IEEE Computer Society
    2015-August
    ISBN(印刷版)9781467378802
    DOI
    出版ステータスPublished - 2015 8 12
    イベント17th International Conference on Transparent Optical Networks, ICTON 2015 - Budapest, Hungary
    継続期間: 2015 7 52015 7 9

    Other

    Other17th International Conference on Transparent Optical Networks, ICTON 2015
    CountryHungary
    CityBudapest
    Period15/7/515/7/9

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials

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