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An Si photonic transmitter is integrated in a 130-nm silicon-on-insulator complementary metal–oxide–semiconductor technology. A high-speed photonic ring modulator is designed for 25-Gb/s operation with an 8-dB extinction ratio. The ring is driven with a swing using a low-power inverter driver. With a reference receiver, the 25-Gb/s link is measured with a bit error rate...
Building future data centers requires unprecedented internal bandwidth, at very high per-channel energy efficiency. Optics offers potential solutions for these challenges, especially if we rethink the construction of high-performance computers into compact systems-in-a-package. Here we discuss the drivers for optics in these large-scale systems.
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