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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 7 — Apr. 4, 2005
  • pp: 2276–2281

Thermal hypersensitisation and grating evolution in Ge-doped optical fibre

H.R. Sørensen, J. Canning, and M. Kristensen  »View Author Affiliations


Optics Express, Vol. 13, Issue 7, pp. 2276-2281 (2005)
http://dx.doi.org/10.1364/OPEX.13.002276


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Abstract

Low temperature (sub 1000°C) thermal hypersensitisation is reported in germanosilicate optical waveguides. Gratings are written using a CW 266nm laser source. In contrast to laser hypersensitisation, thermal excitation is generally dispersive involving a range of specific glass sites. More complex grating profiles presenting evidence of solid-state autocatalysis and bistability at increasingly high sensitisation temperatures are observed. More specifically, at 500°C, a behaviour resembling type IIA grating response is observed.

© 2005 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2290) Fiber optics and optical communications : Fiber materials
(160.5320) Materials : Photorefractive materials

ToC Category:
Research Papers

History
Original Manuscript: January 12, 2005
Revised Manuscript: March 4, 2005
Published: April 4, 2005

Citation
H. Sørensen, J. Canning, and M. Kristensen, "Thermal hypersensitisation and grating evolution in Ge-doped optical fibre," Opt. Express 13, 2276-2281 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-7-2276


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References

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