Plasmonic transmission lines: from micro to nano scale with λ/4 impedance matching | Zendy

Pavel Ginzburg | Zendy; Meir Orenstein | Zendy

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Plasmonic transmission lines: from micro to nano scale with λ/4 impedance matching

Author(s) -

Pavel Ginzburg,

Meir Orenstein

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.006762

Subject(s) - plasmon , impedance matching , optics , materials science , transformer , extraordinary optical transmission , electric power transmission , optoelectronics , transmission line , transverse plane , electrical impedance , surface plasmon , physics , surface plasmon polariton , telecommunications , electrical engineering , voltage , computer science , structural engineering , quantum mechanics , engineering

The downscaling of conventional RF transmission lines methodologies to subwavelength plasmonic circuits is discussed and demonstrated for a lambda/4 transformer impedance matching. The nano-size transformer, matching between 0.5mum and 50nm wide plasmonic transmission lines, enhances the coupling efficiency by more than 285% compared to the direct ("end fire") coupling - i.e. harvesting more than 86% of total incident power. The influence of the transverse resonances induced by the metal claddings of the input transmission line on the light harvesting is discussed as well.

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