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Proceedings Article

Multiphysics simulation of super-resolution BD ROM optical disk readout

[+] Author Affiliations
J. Pichon, R. Anciant, J. M. Bruneau

MPO International (France)

B. Hyot, S. Gidon, M. F. Armand, L. Poupinet

CEA - Leti (France)

Proc. SPIE 6282, Optical Data Storage 2006, 628219 (June 22, 2006); doi:10.1117/12.685239
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From Conference Volume 6282

  • Optical Data Storage 2006
  • Ryuichi Katayama; Tuviah E. Schlesinger
  • Vancouver, BC, Canada | June 04, 2006

abstract

In this paper we propose a multiphysics simulation of Super-Resolution BD ROM disk readout. Local metallization of the thin semiconductive layer deposited on a ROM substrate comprising a monotone sequence of 100 nm pits has been modelized by applying a Drude nonlinearity to the optical properties of the material. The photo-induced creation of free carriers lifted to the conduction band is assumed to be responsible for a local change in the optical properties of the active layer, making possible the detection of a far-field signal corresponding to pits smaller than the diffraction limit at a high readout power.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

J. Pichon ; R. Anciant ; J. M. Bruneau ; B. Hyot ; S. Gidon, et al.
"Multiphysics simulation of super-resolution BD ROM optical disk readout", Proc. SPIE 6282, Optical Data Storage 2006, 628219 (June 22, 2006); doi:10.1117/12.685239; http://dx.doi.org/10.1117/12.685239


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