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Optoelectronics

An all-silicon solution

Silicon photonic circuits offer a promising solution for the interconnect bottleneck for advanced computing systems, but they typically require additional materials, such as germanium for photodetection. An all-silicon receiver capable of handling a data stream at 1.28 terabits per second is paving the way for future optical interconnects.

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Fig. 1: Double-microring resonator (MRR) avalanche photodiodes (APD) schematic and operational properties.

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Correspondence to Fengnian Xia.

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Cai, M., Xia, F. An all-silicon solution. Nat. Photon. 18, 890–891 (2024). https://doi.org/10.1038/s41566-024-01511-1

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