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Three-dimensional waveguide arrays for coupling between fiber-optic connectors and surface-mounted optoelectronic devices

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2 Author(s)
S. Hiramatsu ; Electron. Syst. Integration Technol. Res. Dev., Tokyo, Japan ; M. Kinoshita

This paper describes the fabrication of novel surface-mountable waveguide connectors and presents test results for them. To ensure more highly integrated and low-cost fabrication, we propose new three-dimensional (3-D) waveguide arrays that feature two-dimensionally integrated optical inputs/outputs and optical path redirection. A wafer-level stack and lamination process was used to fabricate the waveguide arrays. Vertical-cavity surface-emitting lasers (VCSELs) and photodiodes were directly mounted on the arrays and combined with mechanical transferable ferrule using active alignment. With the help of a flip-chip bonder, the waveguide connectors were mounted on a printed circuit board by solder bumps. Using mechanical transferable connectors, which can easily plug into the waveguide connectors, we obtained multi-gigabits-per-second transmission performance.

Published in:

Journal of Lightwave Technology  (Volume:23 ,  Issue: 9 )