Researchers improving technology to generate high harmonics in nonlinear nanostructured metasurfaces

Natural and artificial crystals can change the spectral color of light, which is known as the nonlinear optical effect. Color conversion is used for numerous applications, including nonlinear microscopy for biological structures and material examinations, LED light sources and lasers in optical communications, and in photonics and its resulting technologies such as quantum computing. Researchers from Paderborn University have now found a way to improve the physical process underlying the phenomenon. The results have been published in the journal Light: Science & Applications.


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