Details

Autor(en) / Beteiligte

• Luk, Ting S
• Kim, Iltai
• Campione, Salvatore
• Howell, Stephen W
• Subramania, Ganapathi S
• Grubbs, Robert K
• Brener, Igal
• Chen, Hou-Tong
• Fan, Shanhui
• Sinclair, Michael B

Titel

Near-infrared surface plasmon polariton dispersion control with hyperbolic metamaterials

Ist Teil von

• Optics express, 2013-05, Vol.21 (9), p.11107-11114

Ort / Verlag

United States

Erscheinungsjahr

2013

Quelle

MEDLINE

Beschreibungen/Notizen

• We demonstrate experimentally signatures and dispersion control of surface plasmon polaritons from 1 to 1.8 µm using periodic multilayer metallo-dielectric hyperbolic metamaterials. The fabricated structures are comprised of smooth films with very low metal filling factor. The measured dispersion properties of these hyperbolic metamaterials agree well with calculations using transfer matrix, finite-difference time-domain, and effective medium approximation methods despite using only 2.5 periods. The enhancement factor in the local photonic density of states from the studied samples in the near-infrared wavelength region is determined to be 2.5-3.5. Development of this type of metamaterial is relevant to sub-wavelength imaging, spontaneous emission and thermophotovoltaic applications.