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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 9 — May. 2, 2005
  • pp: 3500–3505

Investigation of the spatial distribution of second-order nonlinearity in thermally poled optical fibers

Honglin An and Simon Fleming  »View Author Affiliations

Optics Express, Vol. 13, Issue 9, pp. 3500-3505 (2005)

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The spatial distribution of second-order nonlinearity in thermally poled optical fibers was characterized by second-harmonic microscopy. The second-order nonlinearity was found to be confined to a thin layer close to the anode surface and progressed further into the silica as the poling time increased. Position uncertainty of the anode metal wire was observed to have an effect, as the nonlinear layers were found not always symmetrically located around the nearest points between the anode and cathode. Optical microscopy results were obtained on etched poled fiber cross-sections and compared with those from second-harmonic microscopy.

© 2005 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(160.6030) Materials : Silica
(190.1900) Nonlinear optics : Diagnostic applications of nonlinear optics
(190.4160) Nonlinear optics : Multiharmonic generation

ToC Category:
Research Papers

Original Manuscript: March 15, 2005
Revised Manuscript: April 24, 2005
Published: May 2, 2005

Honglin An and Simon Fleming, "Investigation of the spatial distribution of second-order nonlinearity in thermally poled optical fibers," Opt. Express 13, 3500-3505 (2005)

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