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Opt Express. 2011 Dec 12;19(26):B159-65. doi: 10.1364/OE.19.00B159.

First demonstration of high density optical interconnects integrated with lasers, optical modulators, and photodetectors on single silicon substrate.

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Institute for Photonics-Electronics Convergence System Technology (PECST), Japan.


Engineers are currently facing some technical issues in support of the exponential performance growths in information industries. One of the most serious issues is a bottleneck of inter-chip interconnects. We propose a new "Photonics-Electronics Convergence System" concept. High density optical interconnects integrated with a 13-channel arrayed laser diode, silicon optical modulators, germanium photodetectors, and silicon optical waveguides on single silicon substrate were demonstrated for the first time using this system. A 5-Gbps error free data transmission and a 3.5-Tbps/cm(2) transmission density were achieved. We believe that this technology will solve the bandwidth bottleneck problem among LSI chips in the future.


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