The Defense Advanced Research Projects Agency (DARPA) has awarded a $1 million grant to fund the development of a military-grade prototype quantum laser that leverages the unique properties of quantum physics to overcome diffusion and data loss problems experienced by other state-of-the-art laser technologies.

The team from Washington University in St Louis receiving the DARPA grant says their goal is to use an aspect of quantum mechanics known as quantum entanglement to help communication lasers and lasers used for surveillance to operate in extreme temperatures, dense fog, or over extremely long distances.

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