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Fig. 5 | PhotoniX

Fig. 5

From: On-chip optical sources of 3D photonic integration based on active fluorescent polymer waveguide microdisks for light display application

Fig. 5

Structural size of the waveguide structure and the horizontal and vertical fiber coupling of 3D integrated single-microdisk optical sources excited by 405 nm wavelength pumping light. a The top-view (optical microscope) and cross-sectional view (SEM image) of the gain waveguide structure; b and c were the images of horizontal fiber coupling for inputting pumping light and vertical fiber coupling for outputting fluorescence, respectively

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