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Browsing by Author "Dai, Tzu-Ying"

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    Mode-switching phenomena in periodic InGaN-based hexagon microcavity array
    (2018-01-01)
    Huang, Chia-Yen
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    Dai, Tzu-Ying
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    Lin, Jing-Jie
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    Chang, Tsu-Chi
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    Liu, Che-Yu
    The lasing behavior of InGaN-based microcavity array was strongly relevant to the excitation area. The stronger rod-to-rod optical interaction between the fundamental axial mode resulted its dominance in the collective lasing behavior.
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    Monolithic GaN-InGaNCore-shell Lasers in Submicron Scale
    (2017-01-01)
    Huang, Chia-Yen
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    Lin, Jing-Jie
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    Chang, Tsu-Chi
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    Liu, Che-Yu
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    Dai, Tzu-Ying
    We demonstrated a GaN-InGaN core-shell nanorod periodic array lasing under room temperature. Optical simulations and photoluminescence measurement revealed optically-coupled whisper gallery modes. The threshold pumping density was 80 kW/cm(2) with a quality factor of 1940.