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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 18 — Sep. 3, 2007
  • pp: 11741–11749

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

Jen-Yu Fang, Chung-Hao Tien, and Han-Ping D. Shieh  »View Author Affiliations

Optics Express, Vol. 15, Issue 18, pp. 11741-11749 (2007)

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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.

© 2007 Optical Society of America

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(120.7000) Instrumentation, measurement, and metrology : Transmission
(210.0210) Optical data storage : Optical data storage
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Diffraction and Gratings

Original Manuscript: May 30, 2007
Revised Manuscript: July 24, 2007
Manuscript Accepted: July 24, 2007
Published: August 30, 2007

Jen-Yu Fang, Chung-Hao Tien, and Han-Ping D. Shieh, "Hybrid-effect transmission enhancement induced by oblique illumination in nano-ridge waveguide," Opt. Express 15, 11741-11749 (2007)

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