A new component of the “quantum internet” is taking shape in the laboratory of Nathalie de Leon in the Department of Electrical Engineering.
Such a global quantum network could transmit information far more securely than today’s networks, but one key challenge stems from the difficulty of transmitting quantum signals over long distances. The signals are fragile and can lose their quantum nature as they travel along optical fibers.
De Leon and her team have created a “quantum repeater” that can be placed at nodes throughout a network to store signals before sending them on the next leg of their journey. But until now it has been difficult to find a material that can store quantum signals long enough to be useful.
To overcome this challenge, the team synthesized a diamond with specific impurities, replacing some of the carbon atoms with silicon.
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CELEBRATE PRINCETON INNOVATION is an event, website, and video series that highlights research with the potential to benefit society.
We highlight faculty researchers and their teams who are making discoveries with the potential to solve today's societal challenges.
Animation by Sean Kelley.
Funding: National Science Foundation, Air Force Office of Scientific Research
