Published paper in Nature Photonics on February 2019

3D nano-optical devices created directly inside dielectric crystals like YAG and sapphire by exploiting femtosecond laser pulses. This discovery is very important, because to date, through the conventional techniques of micro- and nano-processing, it is only possible to modify these crystals on their surface, thus obtaining purely 2D structures. These results pave the way for the development of new-generation photonic devices.

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