Communications of the ACM
A Small Quantum Leap
Northwestern professor Prem Kumar
Courtesy of Northwestern University
Northwestern University researchers say they have developed a switching device that could help lead to the creation of a quantum network. The device can route quantum bits at very high speeds along a shared network without losing any information. The researchers say the switch could lead to a completely secure quantum Internet and super-fast quantum computer networks.
"My goal is to make quantum communication devices very practical," says Northwestern professor Prem Kumar. The researchers are developing a photonic quantum network that does not disturb the physical characteristics, such as superposition and entanglement, of the photons being transmitted.
"This switch opens new doors for many applications, including distributed quantum processing where nodes of small-scale quantum processors are connected via quantum communication links," Kumar says.
From Northwestern University News Center (IL)
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