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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 19, Iss. 4 — Apr. 1, 2002
  • pp: 875–880

Creation of microchannels in a photosensitive As2S3 slab waveguide

Nicolas Hô, Jacques M. Laniel, Réal Vallée, and Alain Villeneuve  »View Author Affiliations

JOSA B, Vol. 19, Issue 4, pp. 875-880 (2002)

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We report the creation of microchannels in a photosensitive material, the arsenic trisulfide As2S3. We show that microchannels are created through the process of self-writing and are highly sensitive to the photosensitivity of the material as well as the quality of the incident wave front. The very high photosensitivity of As2S3 allows the self-written waveguide to become much smaller than the incident beam. We present a numerical analysis based on the nonlinear Schrödinger equation that accounts well for the diversity of the microchannels that were experimentally observed and shows that they can actually guide light.

© 2002 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(190.5940) Nonlinear optics : Self-action effects

Nicolas Hô, Jacques M. Laniel, Réal Vallée, and Alain Villeneuve, "Creation of microchannels in a photosensitive As2S3 slab waveguide," J. Opt. Soc. Am. B 19, 875-880 (2002)

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