We show experimentally that the longest wavelength that photoinduced gratings can be written in Ge-doped glass fibers coincides with long wavelength cutoff of two-photon absorption of GeO molecules.
© 1990 Optical Society of America
Original Manuscript: April 17, 1990
Published: October 20, 1990
C. P. Kuo, Ulf Osterberg, and George I. Stegeman, "Long wavelength cutoff of photoinduced gratings in photosensitive glass fibers," Appl. Opt. 29, 4430-4431 (1990)