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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 21 — Oct. 16, 2006
  • pp: 9896–9901

Rewritable optical data storage in azobenzene copolymers

Denis Gindre, Alex Boeglin, Alain Fort, Loïc Mager, and Kokou D. Dorkenoo  »View Author Affiliations

Optics Express, Vol. 14, Issue 21, pp. 9896-9901 (2006)

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We propose to encode optical information through the localized depoling of polar chromophores in thin films of grafted polymeric materials with a femtosecond near IR laser source. This disorientation is promoted through the photoisomerization of the azo-dye component induced by a two-photon absorption process. We show that the resulting localized loss in second harmonic generation efficiency can be exploited in data storage applications. The low irradiation powers used allow for a recycling by reheating and repoling the films leading to a rewritable system.

© 2006 Optical Society of America

OCIS Codes
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(210.4810) Optical data storage : Optical storage-recording materials

ToC Category:
Optical Data Storage

Original Manuscript: August 7, 2006
Revised Manuscript: September 19, 2006
Manuscript Accepted: September 21, 2006
Published: October 16, 2006

Denis Gindre, Alex Boeglin, Alain Fort, Loïc Mager, and Kokou D. Dorkenoo, "Rewritable optical data storage in azobenzene copolymers," Opt. Express 14, 9896-9901 (2006)

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