Hybrid-effect transmission enhancement induced by oblique illumination in nano-ridge waveguide | Zendy

Jen-Yu Fang | Zendy; Chung-Hao Tien | Zendy; Han-Ping D. Shieh | Zendy

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Hybrid-effect transmission enhancement induced by oblique illumination in nano-ridge waveguide

Author(s) -

Jen-Yu Fang,

Chung-Hao Tien,

Han-Ping D. Shieh

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.15.011741

Subject(s) - optics , surface plasmon , materials science , ridge , wedge (geometry) , extraordinary optical transmission , light intensity , oblique case , waveguide , total internal reflection , surface plasmon polariton , near and far field , plasmon , optoelectronics , physics , paleontology , linguistics , philosophy , biology

In a nano-ridge waveguide under oblique illumination, we demonstrated transmission enhancement resulting from a hybrid effect between propagation modes and surface plasmon wave. The measured near-field intensity with 44-degree illumination was 1.6 times higher than that illuminated with normal incident light. Consequently, a wedge-shaped fiber probe was proposed to serve as a compact near-field light source.

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