Metamaterial/graphene active terahertz modulators
Metamaterial/graphene active terahertz modulators
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DOI：
10.1109/ieee-iws.2019.8803931
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发表时间：
2019-05
期刊：
影响因子：
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通讯作者：
R. Degl’Innocenti;S. Kindness;N. Almond;W. Michailow;P. Braeuninger-Weimer;S. Hofmann;H. Beere;D. Ritchie
中科院分区：
文献类型：
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作者：
R. Degl’Innocenti;S. Kindness;N. Almond;W. Michailow;P. Braeuninger-Weimer;S. Hofmann;H. Beere;D. Ritchie
在过去的几年里，太赫兹光谱区域（广义定义为 0.1-10 太赫兹）的研究和技术得到了巨大的推动，这主要是由于这种辐射在成像、光谱学和通信等领域的独特应用潜力所推动的。所有这些领域都需要一个快速、集成且多功能的光调制平台。超材料/石墨烯器件满足所有这些要求，因为它们的亚波长性质自然适合强烈的光-物质相互作用，因此是高效和小型化的器件。石墨烯的独特性能，例如大载波集中调制提供了与多种架构的高度兼容性，可在一系列调制或检测方案中使用。最后，超材料/石墨烯器件实现了一个快速、多功能的平台，可以轻松扩展到其他频率，并适应振幅、频率、偏振和相位调制器以及集成探测器，用于下一代无线通信。
Within the last years there has been a tremendous thrust into research and technology in the THz spectral region (broadly defined as 0.1-10 THz) mainly driven by the unique potential where this radiation finds applications in, such as imaging, spectroscopy and communication. In all these fields a fast, integrated and versatile platform for modulating light is required. Metamaterial/graphene devices fulfill all these requirements as their subwavelength nature lends itself naturally to strong light-matter interaction, and therefore highly efficient and miniaturized devices. Graphene’s unique properties, e.g. the large carrier concentration modulation, provide a large degree of compatibility with several architectures which can be exploited in a range of modulation or detection schemes. Finally, metamaterial/graphene devices realize a fast, versatile platform, which can be easily scaled to other frequencies, and adapted into amplitude, frequency, polarization and phase modulators, as well as integrated detectors, for the next generation of wireless-communication.