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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4636–4639

Image storage in coumarin-based copolymer thin films by photoinduced dimerization

Denis Gindre, Konstantinos Iliopoulos, Oksana Krupka, Emilie Champigny, Yohann Morille, and Marc Sallé  »View Author Affiliations

Optics Letters, Vol. 38, Issue 22, pp. 4636-4639 (2013)

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We report a technique to encode grayscale digital images in thin films composed of copolymers containing coumarins. A nonlinear microscopy setup was implemented and two nonlinear optical processes were used to store and read information. A third-order process (two-photon absorption) was used to photoinduce a controlled dimer-to-monomer ratio within a defined tiny volume in the material, which corresponds to each recorded bit of data. Moreover, a second-order process (second-harmonic generation) was used to read the stored information, which has been found to be highly dependent upon the monomer-to-dimer ratio.

© 2013 Optical Society of America

OCIS Codes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(210.0210) Optical data storage : Optical data storage
(210.4770) Optical data storage : Optical recording
(210.4810) Optical data storage : Optical storage-recording materials
(180.4315) Microscopy : Nonlinear microscopy

ToC Category:
Nonlinear Optics

Original Manuscript: July 16, 2013
Revised Manuscript: September 19, 2013
Manuscript Accepted: October 3, 2013
Published: November 7, 2013

Denis Gindre, Konstantinos Iliopoulos, Oksana Krupka, Emilie Champigny, Yohann Morille, and Marc Sallé, "Image storage in coumarin-based copolymer thin films by photoinduced dimerization," Opt. Lett. 38, 4636-4639 (2013)

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