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Proceedings Paper

Photoinduced second-harmonic generation and luminescence of defects in Ge-doped silica fibers
Author(s): Denise M. Krol; Robert M. Atkins; Paul J. Lemaire
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Paper Abstract

We have measured the efficiency of photoinduced second-harmonic generation (SHG) in Ge- doped silica fibers containing different concentrations of 'GeO' and 'GeH' defects. The relative concentration of these defects were varied by heat treatments in H2 and determined using luminescence spectroscopy. The results show that the GeH defect center, which can be excited in the visible (around 500 nm) and luminescence around 700 nm, plays a role in the photoinduced SHG process. On the other hand, the results do not allow us to rule out contributions from the GeO defects.

Paper Details

Date Published: 30 December 1991
PDF: 9 pages
Proc. SPIE 1516, International Workshop on Photoinduced Self-Organization Effects in Optical Fiber, (30 December 1991); doi: 10.1117/12.51156
Show Author Affiliations
Denise M. Krol, AT&T Bell Labs. (United States)
Robert M. Atkins, AT&T Bell Labs. (United States)
Paul J. Lemaire, AT&T Bell Labs. (United States)

Published in SPIE Proceedings Vol. 1516:
International Workshop on Photoinduced Self-Organization Effects in Optical Fiber
Francois Ouellette, Editor(s)

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