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Proceedings Paper

Thermal stability of self-organized gratings and defects in Ge- and Ge-P-doped silica core fibers
Author(s): Tsung-Ein Tsai; E. Joseph Friebele; David L. Griscom
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Paper Abstract

Thermal stabilities of photoinduced paramagnetic defects in second-harmonic (SHG) generation Ge-P-doped silica fibers and in Ge- and Ge-P-doped silica preforms are studied by electron-spin-resonance and compared with that of the reported self-organized gratings. Our data suggests that the charge trapping sites for the electric-field-induced SHG are Ge(1), Ge(2) and Ge E'd1 centers. The defects responsible for the Bragg gratings are Ge E'-type centers. Thermal darkening in Ge-doped silica core fibers reported is likely due to the thermal induced Ge E'd1 center.

Paper Details

Date Published: 22 December 1993
PDF: 12 pages
Proc. SPIE 2044, Photosensitivity and Self-Organization in Optical Fibers and Waveguides, (22 December 1993); doi: 10.1117/12.165649
Show Author Affiliations
Tsung-Ein Tsai, Naval Research Lab. (United States)
E. Joseph Friebele, Naval Research Lab. (United States)
David L. Griscom, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 2044:
Photosensitivity and Self-Organization in Optical Fibers and Waveguides
Francois Ouellette, Editor(s)

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