Fig. 2From: Handling mode and polarization in fiber by fs-laser inscribed (de)multiplexer and silicon switch arrayFs-laser inscribed (de)multiplexer. a Fs-laser direct writing structure of the 3D mode (de)multiplexer. b The schematic diagram and different cross sections of the photonic lantern. c The measured intensity profiles of LP11a, LP11b and LP01 modesBack to article page