Abstract
This paper reports on the results of the design, fabrication, and experimental demonstration of a wavelength routing Thin-CLOS system based on arrayed waveguide grating routers (AWGRs) for intra-data-center applications. By using -port AWGRs, this architecture allows increasing by a factor of the scalability provided by a wavelength router using a single -port AWGR. The fabricated Thin-CLOS system has 64 ports and makes use of AWGRs with ports and 100 GHz channel spacing. The system fits in a 1U rack enclosure and consumes less than 10 W. We demonstrated error-free performance at per wavelength with a power penalty of under a worst-case crosstalk scenario. The adopted 64-port Thin-CLOS architecture makes use of four 32-port silica AWGRs to reduce the impact of in-band crosstalk while guaranteeing nonblocking connectivity among the 64 ports and using only distinct wavelengths.
© 2018 Optical Society of America
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