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Tapered polymer optical waveguides with graded-index (GI) circular core are designed and fabricated using the Mosquito method. We show an ideal index profile design for the tapered polymer waveguide allowing a low-loss optical coupling between a VCSEL source and a multimode fiber/waveguide with a large misalignment tolerance.
Solutions for optical connectivity between boards and within boards of communication systems for data centers and high-performance computers are required to meet the growing demand for increased bandwidth. Several concepts were developed for fiber to fiber backplane systems and for fiber to embedded waveguide alignment. The designs and the main challenges of a few selected solutions are described.
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