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Briefing: Optical Interconnect

Part 1: FPGAs

Programmable logic chip vendor Altera is developing FPGAs with optical interfaces. But is there a need for such technology and how difficult will it be to develop?

FPGAs with optical interfaces promise to simplify high-speed interfacing between and within telecom and datacom systems. Such fibre-based FPGAs, once available, could also trigger novel system architectures. But not all FPGA vendors believe optical-enabled FPGAs’ time has come, arguing that cost and reliability hurdles must be overcome for system vendors to embrace the technology

“One of the advantages of using optics is that you haven’t got to throw your backplanes away as [interface] speeds increase.”

Craig Davis, Altera

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