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首页> 外文期刊>Journal of Applied Physics >Suppression of spatial hole burning and pulse stabilization for actively modelocked quantum cascade lasers using quantum coherent absorption
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Suppression of spatial hole burning and pulse stabilization for actively modelocked quantum cascade lasers using quantum coherent absorption

机译:利用量子相干吸收抑制主动模对接量子级联激光器的空间空穴燃烧和脉冲稳定

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摘要

We theoretically study of an actively modelocked quantum cascade laser in which we incorporate quantum coherent absorption by interleaving quantum coherent absorbing periods with gain periods. We show that this absorption suppresses the spatial hole burning that is responsible for pulse instability. As a consequence, the laser produces a stable train of single-peak soliton-like pulses with pulse durations less than 1.25 ps over a broad range of pump powers. We also show that the laser self-starts from initial quantum noise.
机译:从理论上讲,我们研究了一种主动模型对接的量子级联激光器,其中通过将量子相干吸收周期与增益周期相交织来合并量子相干吸收。我们表明,这种吸收抑制了造成脉冲不稳定性的空间空穴燃烧。结果,激光器在宽泛的泵浦功率范围内产生稳定的单峰类孤子脉冲序列,脉冲持续时间小于1.25 ps。我们还表明,激光从初始量子噪声中自动启动。

著录项

  • 来源
    《Journal of Applied Physics》 |2013年第5期|053106.1-053106.5|共5页
  • 作者单位

    Department of Computer Science and Electrical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA;

    Department of Computer Science and Electrical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA;

    Department of Computer Science and Electrical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA,Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh;

    Department of Computer Science and Electrical Engineering, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, Maryland 21250, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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