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In this work, we present WaveLight, a monolithic silicon-photonics platform whereby a low latency reliable deterministic protocol with optical functions are designed directly into an existing high-volume CMOS process.
A high-sensitivity, fully-differential optical receiver for high-density photonic interconnects is presented. To realize fully-differential operation, a 3-dB power splitter and SiGe photodetector are integrated with the receiver, all in a CMOS 45nm SOI process. The proposed receiver improves sensitivity by suppressing common-mode and supply noise through fully-differential (FD) operation, achieving...
We demonstrate efficient photonic devices that rely on sub-100nm features in unmodified 45nm SOI CMOS, including photonic crystals, array-antenna grating couplers, and modulators. We then show monolithically integrated electronic-photonic systems comprising millions of transistors and thousands of photonic devices, including a complete chip-to-chip photonic link.
A record low energy (250fJ/bit) intra-chip electronic-photonic link is demonstrated at 5Gb/s on a 3D-integrated wafer using through-oxide-vias (1.45fF-per-via) for the first time. The receiver sensitivity was −19.3dBm and the on-chip laser energy was 6fJ/bit.
Silicon-photonics is an emerging technology that can overcome the tradeoffs faced by traditional electrical I/O. Due to ballooning development costs for advanced CMOS nodes, however, widespread adoption necessitates seamless photonics integration into mainstream processes, with as few process changes as possible. In this work, we demonstrate a silicon-photonic link with optical devices and electronics...
Recent advances in nanophotonic device research have led to a proliferation of proposals for new architectures that employ optics for on-chip communication. However, since standard simulation tools have not yet caught up with these advances, the quality and thoroughness of the evaluations of these architectures have varied widely. This paper provides the first complete end-to-end analysis of an architecture...
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