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首页> 外文期刊>Optics Letters >High performance of a semipolar InGaN laser with a phase-shifted embedded hydrogen silsesquioxane (HSQ) grating
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High performance of a semipolar InGaN laser with a phase-shifted embedded hydrogen silsesquioxane (HSQ) grating

机译：具有相移嵌入式氢硅氧烷（HSQ）光栅的半极Ingan激光的高性能

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摘要

Single-frequency blue laser sources are of interest for an increasing number of emerging applications but are still difficult to implement and expensive to fabricate and suffer from poor robustness. Here a novel and universal grating design to realize distributed optical feedback in visible semiconductor laser diodes (LDs) was demonstrated on a semipolar InGaN LD, and its unique effect on the laser performance was investigated. For the first time, to the best of our knowledge, a low threshold voltage, record-high power output, and ultra-narrow single-mode lasing were simultaneously obtained on the new laser structure with a thinner p-GaN layer and a third-order phase-shifted embedded dielectric grating. Under continuous-wave operation, such 450 nm lasers achieved 35 dB side-mode suppression ratio, less than 2 pm FWHM, and near 400 mW total output power at room temperature. (C) 2020 Optical Society of America
机译：单频蓝色激光源对越来越多的新兴应用而感兴趣，但仍然难以实现和昂贵的制造和造成较差的鲁棒性。 这里，在Semipolar IngaN LD上对了实现可见半导体激光二极管（LDS）中的分布式光学反馈的新颖和通用光栅设计，研究了其对激光性能的独特影响。 在我们的知识中，在新的激光器结构上同时获得低阈值电压，记录高功率输出和超窄的单模激光的低阈值电压，记录高功率输出和超窄的单模激活。 顺序相移嵌入式电介质光栅。 在连续波操作下，这样的450nm激光器在室温下实现了35 dB侧面抑制比，小于2pmfwwm，并且在室温下近400mW的总输出功率。 （c）2020美国光学学会

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  • 来源
    《Optics Letters》 |2020年第20期|共4页
  • 作者

    Zhang Haojun; Cohen Daniel A.; Chan Philip; Wong Matthew S.; Li Panpan; Li Hongjian; Nakamura Shuji; Denbaars Steven P.;

  • 作者单位

    Univ Calif Santa Barbara Dept Elect &

    Comp Engn Santa Barbara CA 93101 USA;

    Univ Calif Santa Barbara Dept Mat Santa Barbara CA 93101 USA;

    Univ Calif Santa Barbara Dept Elect &

    Comp Engn Santa Barbara CA 93101 USA;

    Univ Calif Santa Barbara Dept Mat Santa Barbara CA 93101 USA;

    Univ Calif Santa Barbara Dept Mat Santa Barbara CA 93101 USA;

    Univ Calif Santa Barbara Dept Mat Santa Barbara CA 93101 USA;

    Univ Calif Santa Barbara Dept Elect &

    Comp Engn Santa Barbara CA 93101 USA;

    Univ Calif Santa Barbara Dept Elect &

    Comp Engn Santa Barbara CA 93101 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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