MXene supported surface plasmons on telecommunications optical fibers.
MXene supported surface plasmons on telecommunications optical fibers.
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DOI：
10.1038/s41377-022-00710-1
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发表时间：
2022-01-24
期刊：
影响因子：
--
通讯作者：
Healy N
中科院分区：
文献类型：
--
作者：
Pacheco-Peña V;Hallam T;Healy N
MXenes是一种新兴的二维材料，具有在下一代光电传感器中应用的巨大潜力。带间跃迁和边界效应之间的相互作用提供了在从近红外到中红外的大光谱范围内调谐等离子体频率的潜力。这种调谐沿着材料的“分层”性质，不仅提供了在宽波长范围内产生等离子体共振的灵活性，而且还通过允许调制等离子体频率来为感测机制增加自由度。在这里，我们显示，数值，MXene可以支持在电信频率范围内的等离子体激元和表面等离子体激元共振可以激发一个标准的MXene涂层侧抛光光纤。因此，高选择性的分布式光纤传感器网络具有诱人的前景。我们证明了MXene可以支持电信波长（1550 nm）的表面等离子体激元，并表明可以在MXene涂覆的单模光纤上激发表面等离子体激元共振。
MXenes, an emerging class of two-dimensional materials, exhibit characteristics that promise significant potential for their use in next generation optoelectronic sensors. An interplay between interband transitions and boundary effects offer the potential to tune the plasma frequencies over a large spectral range from the near-infrared to the mid-infrared. This tuneability along with the ‘layered’ nature of the material not only offer the flexibility to produce plasmon resonances across a wide range of wavelengths, but also add a degree of freedom to the sensing mechanism by allowing the plasma frequency to be modulated. Here we show, numerically, that MXenes can support plasmons in the telecommunications frequency range and that surface plasmon resonances can be excited on a standard MXene coated side polished optical fiber. Thus, presenting the tantalising prospect of highly selective distributed optical fiber sensor networks. We demonstrate that MXenes can support surface plasmons at telecommunications wavelengths (1550nm) and show that surface plasmon polariton resonances can be excited on MXene coated single mode optical fibers.
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