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Photonic interconnects have emerged as a promising candidate technology for high-performance energy-efficient on-chip, on-board, and datacenter-scale interconnects. However, the high optical loss of many nanophotonic components coupled with the low efficiency of current laser sources result in exceedingly high total power requirements for the laser. As optical interconnects stay on even during periods...
Silicon photonics are an attractive technology for global interconnects in manycore processors. However, they come with significant laser power consumption. Turning off underutilized portions of the interconnect can save 62–92% of the laser power.
The high-speed and low-cost modulation of light make photonic interconnects an attractive solution for the communication demands of manycore processors. However, the high optical loss of many nanophotonic components results in high laser power consumption, most of which is wasted during periods of system inactivity. We propose EcoLaser, an adaptive laser control mechanism that saves between 24–77%...
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