Dirac point in the photon dispersion relation of a negative/zero/positive-index plasmonic metamaterial

Vassilios Yannopapas; Alexandras Vanakaras

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Dirac point in the photon dispersion relation of a negative/zero/positive-index plasmonic metamaterial

机译：负/零/正折射率等离子体超材料的光子弥散关系中的狄拉克点

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We report on the emergence of a Dirac point in the dispersion relation of a plasmonic metamaterial. It is realized as a three-dimensional crystal (cubic or orthorhombic) whose lattice sites are decorated by aggregates of gold nanoparticles embedded in a high-index dielectric material. The Dirac-type dispersion lines of the photon modes are not a result of diffraction as in photonic crystals but due to subwavelength features and emerge from the gapless transition from a negative to a positive index band. The Dirac point is manifested as a dip in the spectrum of light transmittance through a finite slab of the metamaterial; however, transmittance does not decrease diffusively but exponentially due to the inherent losses of gold in the given spectral regime.

机译：我们报告了等离子超材料的色散关系中狄拉克点的出现。它被实现为三维晶体（立方晶体或正交晶体），其晶格位置由嵌入高折射率介电材料中的金纳米颗粒的聚集体装饰。光子模的狄拉克型色散线不是像在光子晶体中那样是衍射的结果，而是由于亚波长特征，并且是从负折射率带到正折射率带的无间隙跃迁而出现的。狄拉克点表现为通过超材料的有限平板在光透射光谱中的下降。但是，由于在给定的光谱范围内金的固有损耗，透射率不会扩散地而是呈指数地降低。

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来源
《Physical review》 |2011年第4期|p.045128.1-045128.5|共5页
作者
Vassilios Yannopapas; Alexandras Vanakaras;
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作者单位

Department of Materials Science, University of Patras, GR-26504 Patras, Greece;

Department of Materials Science, University of Patras, GR-26504 Patras, Greece;

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正文语种 eng
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photonic bandgap materials; wave propagation, transmission and absorption; effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption; multilayers; superlattices;

机译：光子带隙材料;波的传播;传输和吸收;原子相干性对光的传播;吸收和放大的影响;电磁感应的透明性和吸收性;多层超晶格;

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1. Tunable band gap near the Dirac point in nonlinear negative-zero-positive index metamaterial waveguide [J] . Ming Shen, Linxu Ruan, Xinglin Wang, Physical Review, A. Atomic, molecular, and optical physics . 2011,第4aPta2期

机译：非线性负零正指数超材料波导中Dirac点附近的可调带隙
2. Nonlinear surface waves near the Dirac point in negative–zero–positive index metamaterial [J] . Ming Shen, Lin-Xu Ruan, Xi Chen, Journal of optics, A. Pure and applied optics: journal of the European Optical Society . 2010,第8期

机译：负零正指数超材料中狄拉克点附近的非线性表面波
3. Zitterbewegung of optical pulses near the Dirac point inside a negative-zero-positive index metamaterial [J] . LI-GANG WANG, ZHI-GUO WANG, SHI-YAO ZHU EPL . 2009,第4期

机译：负零正指数超材料中狄拉克点附近的光脉冲的抖动
4. Sub-wavelength focusing and negative refraction along positive-index and negative-index plasmonic nano-transmission lines and nano-layers [C] . Alu, A., Engheta, . 2005

机译：沿正折射率和负折射率等离激元纳米传输线和纳米层的亚波长聚焦和负折射。
5. Dirac metamaterials: Electromagnetic epsilon-near-zero metamaterials that mimic relativistic quantum particles. [D] . Cook, Andrew K. 2012

机译：狄拉克超材料：模仿相对论量子粒子的电磁ε接近零的超材料。
6. Distillation of photon entanglement using a plasmonic metamaterial [O] . Motoki Asano, Muriel Bechu, Mark Tame, -1

机译：用等离子体超材料蒸馏光子纠缠
7. Double Negative Dispersion Relations from Coated Plasmonic Rods [O] . Yue Chen, Robert Lipton 2012

机译：涂层等离子体棒的双负色散关系
8. Metamaterials, Spatial Dispersion, and Negative Refraction (Preprint). [R] . Derov, J. S., O'Donnell, T. H., Turchinetz, B. W. 2013

机译：超材料，空间分散和负折射（预印本）。

Dirac point in the photon dispersion relation of a negative/zero/positive-index plasmonic metamaterial

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