Seeded second-harmonic generation in optical fibers: the effect of phase fluctuations.
作者： DM Krol , MM Broer , Katherine T Nelson , Roger H Stolen , HWK Tom
DOI: 10.1364/OL.16.000211
关键词: Laser 、 Mode-locking 、 Optical fiber 、 Nonlinear optics 、 Materials science 、 Phase (waves) 、 Second-harmonic generation 、 Seeding 、 Optics 、 Second-harmonic imaging microscopy
摘要: Phase fluctuations between the infrared and green beams during seeding of second-harmonic generation (SHG) in optical fibers lead to a drastic reduction initial SHG intensity strong time dependence after seeding. Experiments using mode-locked lasers with stable phase relation writing reliable, reproducible results. Under these conditions we do not observe significant difference in, SH efficiency Ge concentrations 3 14 mol. %.
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