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The demonstration of electroluminescence at terahertz frequencies from a silicon-germanium device marks a key step towards the long-sought goal of a silicon-based laser.

Ursula Keller, professor at the Institute for Quantum Electronics, has received one of the 55 Proof of Concept (PoC) grants awarded by the European Research Council (ERC) in its latest funding round. Kicking off on 1 March 2021, the grant will enable her and her group to explore novel commercial applications of the dual comb-laser spectroscopy.