Frozen mode from hybridized extraordinary transmission and Fabry-Perot resonances

被引：12

作者：

Beruete, M. ^{[1
]}

Rodriguez-Ulibarri, P. ^{[1
]}

Pacheco-Pena, V. ^{[1
]}

Navarro-Cia, M. ^{[2
,3
,4
]}

Serebryannikov, A. E. ^{[5
]}

机构：

[1] Univ Publ Navarra, TERALAB, MmW THz IR & Plasmon Lab, Pamplona 31006, Spain

[2] Univ London Imperial Coll Sci Technol & Med, Dept Elect & Elect Engn, Opt & Semicond Devices Grp, London SW7 2BT, England

[3] Univ London Imperial Coll Sci Technol & Med, Ctr Plasmon & Metamat, London SW7 2AZ, England

[4] Univ London Imperial Coll Sci Technol & Med, Ctr Terahertz Sci & Engn, London SW7 2AZ, England

[5] Hamburg Univ Technol, D-21071 Hamburg, Germany

来源：

PHYSICAL REVIEW B | 2013年 / 87卷 / 20期

关键词：

SLOW LIGHT; OPTICAL-TRANSMISSION; PROPAGATION;

D O I：

10.1103/PhysRevB.87.205128

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Frozen modes arising in stacked subwavelength hole arrays are studied in detail. Their origin is proved to be connected with the interaction between the extraordinary transmission resonance and the Fabry-Perot cavity mode. The analysis is done for various situations that differ in metal plate thicknesses and sizes and shape of the holes. Dispersion results and finite-stack transmission spectra are in good agreement, both showing the features indicating hybridization. The boundaries of the hybridization are found in terms of the geometrical parameters. The effect of the number of stacked plates on the transmission has been demonstrated. Finally, it is shown that the group index of refraction n(g) in the considered finite structures can be larger than 200. The obtained estimates of n(g), which are based on dispersion and transmission results, well coincide with each other.

引用

页数：9

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