Micro-photonic interconnects: characteristics, possibilities and limitations
2007
Photonic interconnects have the long-term potential to reduce latency and crosstalk while increasing signalling bandwidth. This tutorial-style presentation for non-experts will provide a simple overview of photonics as it relates to the interconnect problem. We will touch upon the challenges faced by on-chip and chip-to-chip communications that motivate micro-photonic (optical) interconnects, and provide an introduction to the basics of optics. Topics such as the system impact of optical interconnects, impact on cache, chip-to-chip communication and global clock distribution will be examined. Practical feasibility issues and limitations related to power, speed, and technology hurdles will be evaluated. The talk will conclude with a look at some fascinating recent developments that bode well for the future of micro-photonic interconnects.
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