Three-Dimensional Mid-Infrared Photonics: Recent Progress in Ultrafast Laser Writing of Waveguides
Abstract
We present here our recent progress in the three-dimensional (3D) direct laser writing (DLW) of step-index core waveguides inside diverse technologically relevant dielectric substrates, with specific emphasis on the demonstration of DLW mid-infrared waveguiding in the whole transparency range of these materials.
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