Quantum 'Bus' Uses Photons to Couple Superconducting Qubits (image) Yale University Share Print E-Mail Caption Qubits, the building blocks of a future quantum computer, become useful when quantum communication between them are established. In the Yale experiment, this job is done by photons in a cavity on a microchip. This way, quantum information is successfully shuttled back and forth between two superconducting qubits. Credit Robert J. Schoelkopf Usage Restrictions Must give credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.