Quantum memories are devices that store and release entangled photon qubits. They are a key component for creating quantum repeaters that would allow quantum communications over long distances and enable a quantum internet and there are many research activities around the world to develop this technology. Qunnect, located in Brooklyn, New York, is a spinout from research originally performed at Stony Brook University in Long Island, New York to commercialize this and other components needed quantum communication. The quantum memory device is based upon a technology called Electromagnetically Induced Transparency (EIT) and has a unique feature that it operates at room temperature, unlike other approaches. It achieves fidelities above 95%. The have sold their first device to Brookhaven National Laboratory which will be using it for implementation of a quantum communications demonstration network. Additional information about this device along with a video that explains how the device operates can be seen in a news release that you can find here.
November 19, 2021