Optical guided dispersions and subwavelength transmissions in dispersive plasmonic circular holes

• Autorzy: Kim K. Y. , Cho Y. K. , Tae H. S. , Lee J. H.
• Języki publikacji: EN

Abstrakty

EN

The light transmission through a dispersive plasmonic circular hole is numerically investigated with an emphasis on its subwavelength guidance. For a better understanding of the effect of the hole diameter on the guided dispersion characteristics, the guided modes, including both the surface plasmon polariton mode and the circular waveguide mode, are studied for several hole diameters, especially when the metal cladding has a plasmonic frequency dependency. A brief comparison is also made with the guided dispersion characteristics of a dispersive plasmonic gap [K.Y. Kim, et al., Opt. Express 14, 320-330 (2006)], which is a planar version of the present structure, and a circular waveguide with perfect electric conductor cladding. Finally, the modal behaviour of the first three TM-like principal modes with varied hole diameters is examined for the same operating mode.

Słowa kluczowe

EN

dispersion; dispersive plasmonic hole; subwavelength guidance; surface plasmon polariton; surface wave

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2006
• Tom: Vol. 14, No. 3
• Strony: 233--241
• Opis fizyczny: Bibliogr. 42 poz., wykr.

Twórcy

autor

Kim K. Y.

autor

Cho Y. K.

autor

Tae H. S.

autor

Lee J. H.

• School of Electrical Engineering and Computer Science, Kyungpook National University, 702-701 Daegu, Korea,

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