New approaches to quantum computing are announced almost every day. However, almost all of them seem to be at the level of laboratory experiments.
UCSB physicists demonstrate the quantum von Neumann architecture
UCSB physicists have demonstrated a quantum integrated circuit that implements the quantum von Neumann architecture. In this architecture, a long-lived quantum random access memory can be programmed using a quantum central processing unit, all constructed on a single chip, providing the key components for a quantum version of a classical computer.
The UCSB hardware is based on superconducting quantum circuits, and must be cooled to very low temperatures to display quantum behavior. The architecture represents a new paradigm in quantum information processing, and shows that quantum large-scale-integration is within reach.
Further reading:
Computer architecture recreated on quantum device
Could this quantum computer be the real deal?
Implementing the Quantum von Neumann Architecture with Superconducting Circuits
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