Density of dislocations in the near-surface layer was investigated in X-cut LiNbO_(3) depending on thermal annealing in the temperature range of 400℃–600℃.A dynamic model of randomly distributed dislocations has be...
supported by the National Key Research and Development Project of China (No. 2019YFA0705000);the National Natural Science Foundation of China (Nos. 91950106, 11404196, 11525418, 91750201, and 11974218);the Innovation Group of Jinan (2018GXRC010);the Local Science and Technology Development Project of the Central Government (No. YDZX20203700001766)
In this paper, we report a passively mode-locked Nd∶Y3Sc2Al3O12(Nd:YSAG) laser using a periodically poled Li Nb O3(PPLN)superlattice. Nonlinear mirror mode locking based on PPLN intracavity frequency doubling was the...
supported by the National Key R&D Program of China(Grant Nos. 2017YFA0303703 and 2016YFA0302500);the National Natural Science Foundation of China (Grant Nos. 91950206,11874213 and11674171);the Fundamental Research Funds for the Central Universities (Grant Nos. 14380105 and 1480605201)。
A periodically-poled LiNbO3(PPLN) crystal features space-dependent second-order nonlinear coefficients, which is one of the most important materials to effectively control nonlinear optical interactions through quasi-...