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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 22 — Oct. 26, 2009
  • pp: 20203–20210

Plasmonic data storage medium with metallic nano-aperture array embedded in dielectric material

Sinjeung Park and Jae Won Hahn  »View Author Affiliations

Optics Express, Vol. 17, Issue 22, pp. 20203-20210 (2009)

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We propose a plasmonic data storage medium with a high-transmission metal aperture array embedded in a dielectric material. Bowtie apertures, having an outline of 80 nm and a ridge gap of 30 nm, are arranged in a two dimensional array with a bit pitch of 100 nm and a track pitch of 280 nm. Using the finite differential time domain (FDTD) method, we calculate the exposure power needed to record optical data, the contrast for readability of recorded data, and cross talk between the main track and adjacent tracks. Compared to a conventional blu-ray disc, the exposure power needed to record optical data in the proposed plasmonic data storage medium is less than a quarter of the conventional threshold power, and the density of the data storage is about 1.8 times larger.

© 2009 OSA

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.4590) Optical data storage : Optical disks
(240.6680) Optics at surfaces : Surface plasmons
(210.4245) Optical data storage : Near-field optical recording
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optical Data Storage

Original Manuscript: August 24, 2009
Revised Manuscript: September 30, 2009
Manuscript Accepted: October 12, 2009
Published: October 21, 2009

Sinjeung Park and Jae Won Hahn, "Plasmonic data storage medium
with metallic nano-aperture array embedded
in dielectric material," Opt. Express 17, 20203-20210 (2009)

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