Abstract

The metal interconnect between a microprocessor and a memory limits the performance of the computing systems. Data transport using photons rather than electrons will integrate photonic and electronic circuits on a single chip to overcome the bottleneck. On the basis of the change in the electric potential of a p–n junction, we unveil the mechanism of the simultaneous emission-detection phenomenon, and fabricate a monolithic III–nitride photonic circuit to merge the microprocessor and memory. The microprocessor and memory can communicate with each other using light because of the simultaneous emission-detection phenomenon of the multiple-quantum-well diode. III–nitride photonics will promote the development of modern information-processing architecture.

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