نتایج جستجو برای: second harmonic generation
تعداد نتایج: 968743 فیلتر نتایج به سال:
We designed, fabricated and tested gallium phosphide (GaP) nano-waveguides for second harmonic generation (SHG). demonstrate SHG in the visible range around 655 nm using low power continuous-wave pump optical communication O-band. Our structures utilize modal phase matching, such that lower order eigenmodes of are matched to higher harmonic. observe different combinations interacting modes by v...
Second harmonic generation (SHG) is a well known non-linear optical phenomena which can be observed only in non-centrosymmetric crystals due to non-zero hyperpolarizability. In the current work we observed SHG from a Zn(II) complex which was originally thought to have crystallized in the centrosymmetric space group C2/c. This has been attributed to the unequal antiparallel packing of the metal ...
Efficient frequency conversion techniques are crucial to the development of plasmonic metasurfaces for information processing and signal modulation. In principle, nanoscale electric-field confinement in nonlinear materials enables higher harmonic conversion efficiencies per unit volume than those attainable in bulk materials. Here we demonstrate efficient second-harmonic generation (SHG) in a s...
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