Photoinduced second-harmonic generation in fibers doped with rare-earth ions

Autor: Dianov, E. M., Kornienko, L. S., Rybaltovsky, A. O., Chernov, P. V., Yatsenko, Yu. P.
Zdroj: Optics Letters; April 1994, Vol. 19 Issue: 7 p439-441, 3p
Abstrakt: Photoinduced second-harmonic generation in silica fibers doped with Er^3+, Sm^3+, and Tb^3+ has been investigated. Er^3+-doped fibers have been found to tune a χ^(2) grating easily to the mode structure of the laser radiation, whereas Sm^3+-doped fibers have been found to possess the greatest resistance to χ^(2) grating erasure by radiation at 532 nm. From the beginning of the preparation processes, the third harmonic at 355 nm is registered in all the fibers.
Databáze: Supplemental Index