Experimental study of second-harmonic-generation saturation in fibers by phase modulation between the fundamental and second-harmonic writing beams
- 15 March 1992
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 17 (6) , 396-398
- https://doi.org/10.1364/ol.17.000396
Abstract
We study saturation of photoinduced second-harmonic generation in a Ge-doped silica fiber by modulating the relative phase between the fundamental and second-harmonic writing beams. We shift the phase by π and present measurements that identify saturation that is due to site depletion and saturation that is due to a backfield.Keywords
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