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Four-wave mixing analysis of quantum dot and quantum well lasers

机译:量子点和量子阱激光器的四波混频分析

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摘要

[[abstract]]In this paper, we characterize and compare a quantum dot and a quantum well lasers using the four-wave mixing analysis. The optical and power spectra of the four-wave mixing state in the quantum dot laser are studied both numerically and experimentally. The tendency of the amplitude versus detuning in the quantum dot laser is very similar to those seen in the quantum well laser. The four-wave mixing signals and the power spectra from both lasers are symmetric, while asymmetry in the regenerated signal is found. Compared to the quantum well lasers, the higher resonance peak of the regenerated signal of the quantum dot lasers appears on the opposite side of the detuning in the optical spectra. The intrinsic parameters of the lasers are also obtained by fitting the optical spectra and power spectra obtained experimentally with those derived directly from the rate equations. The measured value of the linewidth enhancement factor has a good agreement with that obtained by the injection locking method.
机译:[[摘要]]在本文中,我们使用四波混频分析来表征和比较量子点激光器和量子阱激光器。数值和实验研究了量子点激光器中四波混合态的光谱和功率谱。量子点激光器中振幅相对于失谐的趋势与量子阱激光器中所看到的非常相似。来自两个激光器的四波混合信号和功率谱是对称的,而在再生信号中发现是不对称的。与量子阱激光器相比,量子点激光器再生信号的更高的共振峰出现在光谱中失谐的另一侧。激光器的内在参数也可以通过将实验获得的光谱和功率光谱与直接从速率方程中得出的光谱和功率光谱进行拟合来获得。线宽增强因子的测量值与通过注入锁定方法获得的测量值具有良好的一致性。

著录项

  • 作者

    H. H. Lin;

  • 作者单位
  • 年度 2014
  • 总页数
  • 原文格式 PDF
  • 正文语种 [[iso]]en
  • 中图分类

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