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arXiv 0912.0680physics.optics
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碳纳米管在光子超材料中的巨非线性效应

Giant nonlinearity of carbon nanotubes in a photonic metamaterial

Andrey E. Nikolaenko, Francesco De Angelis, Stuart A. Boden, Nikitas Papasimakis, Peter Ashburn, Enzo Di Fabrizio, Nikolay I. Zheludev

摘要:

超材料,人工介质结构上的亚波长尺度提供了一个丰富的范例,开发独特的光子功能,从负折射率和方向不对称传输慢光。在这里,我们证明了碳纳米管与光子超材料的组合提供了一个新的范例,为非线性介质的发展具有非常强的超快非线性响应在光子应用中非常宝贵。它是由弱辐射Fano型共振等离子体激元模式和单壁半导体碳纳米管的激子响应之间的强耦合支撑的。使用“组合”的方法来发现材料,我们表明,这样的复合系统的光学响应可以定制和优化的超材料设计。

英文摘要:

Metamaterials, artificial media structured on the subwavelength scale offer a rich paradigm for developing unique photonic functionalities ranging from negative index of refraction and directionally asymmetric transmission to slowing light. Here we demonstrate that a combination of carbon nanotubes with a photonic metamaterial offers a new paradigm for the development of nonlinear media with exceptionally strong ultrafast nonlinear response invaluable in photonic applications. It is underpinned by strong coupling between weakly radiating Fano-type resonant plasmonic modes and the excitonic response of single-walled semiconductor carbon nanotubes. Using a "combinatorial" approach to material discovery we show that the optical response of such a composite system can be tailored and optimized by metamaterial design.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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