posted on 2024-10-31, 16:45authored byBoes Andreas, Tristan Crasto, Vijay Prasad Sivan, Elisabeth Soergel, Hendrik Steigerwald, Arnan MitchellArnan Mitchell
Domains with a width of a few microns are engineered in lithium niobate crystals by irradiating the surface with strongly absorbed UV light. The fact that the UV light can not only write but also erase domains enables on-demand geometries of the domain features.