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Fig. 3 | PhotoniX

Fig. 3

From: Handling mode and polarization in fiber by fs-laser inscribed (de)multiplexer and silicon switch array

Fig. 3

Fabricated fs-laser inscribed (de)multiplexer silica chip and silicon switch array chip. a Measured photo image of the fabricated (de)multiplexing 3D silica chip by fs-laser direct writing technique. b Measured optical microscope of the fabricated 2D silicon switch array chip by the standard CMOS-compatible fabrication process. c The enlarged views of the multimode port (I) and three single mode ports (II) in the silica chip. d The enlarged views of the MMI (III), crossing (IV) and grating coupler(V) in the silicon chip

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