Researchers at the U.S. National Institute of Standards and Technology, the University of Massachusetts, and Raytheon BBN Technologies unveiled a programmable "toggle switch" device to reduce noise and provide clear outputs of quantum processors.
The two-quantum-bit (qubit) device links the qubits to a "readout resonator" that reads the output of the qubits' calculations.
Users can adjust the connection by flipping the toggle switch into different quantum states; the "on" state connects the qubits to execute calculations, while the "off" state isolates the three components.
The switch can retrieve the results of the calculations by linking either of the qubits and the resonator.
The device blocks circuit noise from the system through the resonator while preventing the qubits from interacting when they should be idle.
From NIST News
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