Abstract
We present a cost-efficient parallel optical transceiver module based on a 1×4 VCSEL array, a 1×4 PD array, and a 12-wide multimode fiber ribbon for very-short-reach application. A passive alignment technique using through-silicon-hole (TSH) has been developed to realize high-efficient butt-coupling between optoelectronic arrays and multimode fibers. In this paper, the detail optical coupling structure, misalignment tolerance, micro-assembly process, and measurement results are mainly discussed. Finally, lensed multimode fibers formed by chemical etching are proposed, which exhibit a great potential for further improvement of coupling performance.
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Li, B., Wan, L., Lv, Y. et al. Low-cost high-efficiency optical coupling using through-silicon-hole in parallel optical transceiver module. Appl. Phys. A 95, 1123–1128 (2009). https://doi.org/10.1007/s00339-009-5127-0
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DOI: https://doi.org/10.1007/s00339-009-5127-0