NDLI: Evanescent light enhancement in a nanometer aperture surrounded by corrugated metal thin film for a terabyte optical disk head

Content Provider	IEEE Xplore Digital Library
Author	Goto, K. Ono, T. Yong-Joo Kim
Copyright Year	1965
Abstract	An ultrahigh density optical disk head which utilizes evanescent light (near-field light) had been designed to enhance the near-field optical wave for the throughput increment using the surface plasmon polariton resonance effect between the light inside the near-field optical head and nano-fabricated corrugated metal thin film. The theoretical analysis is discussed with the emphasis on the two- and three-dimensional simulation using finite difference time domain method. It is also experimentally shown that the near-field light enhancement in a waveguide of a clad covered with corrugated gold thin film was observed and that the near-field light enhancement in a waveguide without the film was not. If the corrugation pitch and the focused laser wavelength used with self-aligned microlens are designed properly, more than 20% throughput will be realized using nanometer fabricated metallic grating.
Sponsorship	IEEE Magnetics Society
Starting Page	1037
Ending Page	1041
Page Count	5
File Size	703410
File Format	PDF
ISSN	00189464
Volume Number	41
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical films Apertures Optical surface waves Optical waveguides Optical design Throughput Surface waves Corrugated surfaces Plasmons Resonance terabyte optical memory Evanescent wave nano-aperture nano-fabrication near-field optics surface plasmon
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Nanofabrication and Evanescent Light Enhancement by Surface Plasmon

Near-Field Focusing With a Corrugated Surface

Interference of Surface Plasmon Waves and Plasmon Coupled Waveguide Modes for the Patterning of Thin Film

Anomalous light reflection at the surface of a corrugated thin metal film

Bundle Beaming From Multiple Subwavelength Slits Surrounded by Dielectric Surface Gratings

Metamaterial covers over a small aperture

Transmission Through an Annular Aperture Surrounded With Corrugations in a PEC Plane

Terahertz Corrugated and Bull's-Eye Antennas

Theory, Figures of Merit, and Design Recipe of the Plasmonic Structure Composed of a Nano-Slit Aperture Surrounded by Surface Corrugations

Evanescent light enhancement in a nanometer aperture surrounded by corrugated metal thin film for a terabyte optical disk head

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