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Efficient multimode optical fiber-to-waveguide coupling for passive alignment applications in multichip modules

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5 Author(s)
Barry, T.S. ; Dept. of Electr. Eng., Washington Univ., St. Louis, MO, USA ; Rode, D.L. ; Cardaro, M.H. ; Krchnavek, R.R.
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An efficient optical fiber-to-waveguide coupling technique is described, using a novel transcision cut, alignment ways, and D-shaped fibers. Fiber-to-waveguide coupling efficiencies as high as 96% have been achieved with multimode graded-index fibers and ridge polymer optical waveguides. Advantages of using this new coupling technique include ease of fiber-to-waveguide alignment interior to the substrate edge, passive coupling, and high coupling efficiency

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Components, Packaging, and Manufacturing Technology, Part B: Advanced Packaging, IEEE Transactions on  (Volume:18 ,  Issue: 4 )