量子级联结构的二维太赫兹光谱

2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI:10.1109/IRMMW-THz46771.2020.9371000

S. Markmann, M. Franckié, S. Pal, M. Fiebig, D. Stark, M. Beck, G. Scalari, J. Faist

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引用次数: 0

摘要

我们使用二维(2D)太赫兹光谱研究了嵌入在单等离子体波导中的量子级联结构(QCS)中由四波混频(FWM)引起的$\chi^{(3)}$非线性。这种方法使我们能够提取所有系统非线性的强度，研究时间分辨系统特性，如人口和相干寿命，以及确定无偏QCS在10K时的主要散射机制。

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2D - THz-Spectroscopy on a Quantum Cascade Structure

We use two-dimensional (2D) THz-spectroscopy to study the $\chi^{(3)}$ non-linearities originating from four-wave mixing (FWM) in a quantum cascade structure (QCS), embedded in a single-plasmon waveguide. This approach allows us to extract the strength of all system non-linearities, study time-resolved system properties such as population and coherence lifetimes, as well as identify the dominant scattering mechanisms of the unbiased QCS at 10K.

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2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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