18 September 2013 Free-space optics for high-speed reconfigurable card-to-card optical interconnects
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High-speed card-to-card optical interconnects are highly demanded in high-performance computing and data centers. Compared with other solutions, free-space optical interconnects have the capability of providing both reconfigurability and flexibility. In this paper we propose and experimentally demonstrate a free-space based reconfigurable optical interconnect architecture and it is capable of connecting cards located both inside the same rack as well as in different racks. Results show that 3×10 Gb/s data transmission is achieved with a worst-case receiver sensitivity better than -9.38 dBm.
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Ke Wang, Ampalavanpillai Nirmalathas, Christina Lim, Efstratios Skafidas, Kamal Alameh, "Free-space optics for high-speed reconfigurable card-to-card optical interconnects", Proc. SPIE 8834, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration X, 88340I (18 September 2013); doi: 10.1117/12.2022807; https://doi.org/10.1117/12.2022807

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