World record in silicon integrated nanophotonics: More energy efficiency in the data communication

Researchers have achieved a new world record in the energy efficient integration in silicon. This is an important step to decrease the energy consumption of data transfer in internet and telecommunication. The researchers optimized aperiodic grating couplers in the nanometer range with a new developed backside metal mirror. Through this new method a record coupling efficiency of 87 percent between optical fibers and photonic integrated waveguides on silicon wafers has been achieved.

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