5 May 1998 Fabrication of three-dimensional tapered polymeric waveguides using the compression-molding technique
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Abstract
We report for the first time, 3D tapered polymeric waveguides fabricated by the compression-molding technique. The waveguides presented herein provide a feasible solution to bridge discrete optoelectronic devices having the apertures of a few microns to hundreds of microns. One-cm long tapered channel waveguides with the cross-sections of 5 micrometers X 5 micrometers at one end and 100 micrometers X 100 micrometers at the other end were fabricated. These waveguides have a propagation loss of 0.5 dB/cm when the 632.8 nm He-Ne laser light is coupled from the small end and of 1.1 dB/cm when coupled from the large end. By confining the energy to the fundamental mode, when coupling from large end to the small end, a low-loss packaging can be achieved bidirectionally.
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Linghui Wu, Feiming Li, Suning Tang, Bipin Bihari, Jianhua Gan, Ray T. Chen, "Fabrication of three-dimensional tapered polymeric waveguides using the compression-molding technique", Proc. SPIE 3288, Optoelectronic Interconnects V, (5 May 1998); doi: 10.1117/12.307562; https://doi.org/10.1117/12.307562
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