Quasi-CW lasing from organic thin film waveguide structures

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  • ADACHI Chihaya
    Center for Organic Photonics and Electronics Research (OPERA), Kyushu University

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Other Title
  • 有機薄膜導波路からの擬CWレーザー発振
  • ユウキ ハクマク ドウハロ カラ ノ ギCW レーザー ハッシン

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Abstract

<p>In recent years, OLEDs have finally realized nearly 100% internal quantum efficiency from electricity into photons by using sophisticated phosphorescence and TADF emitters. Therefore, the development of an organic semiconductor laser diode (OSLD) as a post-OLED is greatly anticipated. Since many organic molecules form four energy levels owing to the Stokes-shift, they demonstrate inherently excellent lasing performance as a low threshold laser material. In this article, with the aim of a future current injection laser, quasi-CW oscillation phenomena under photoexcitation are reviewed with an excellent laser molecule of 4,4'-bis ([N-carbazole] styryl) biphenyl (BSB-Cz).</p>

Journal

  • Oyo Buturi

    Oyo Buturi 87 (6), 426-430, 2018-06-10

    The Japan Society of Applied Physics

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