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Physicists at University of California claims to be the first implementing quantum version of the "Von Neumann" architecture . This new device is based on superconducting circuit and is integrated on a single chip. It is able to perform two important quantum-computing algorithms .
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Physicists at University of California claims to be the first implementing quantum version of the "Von Neumann" architecture . • This new device is based on superconducting circuit and is integrated on a single chip. It is able to perform two important quantum-computing algorithms. • The CPU of this device (quCPU) is consist of two superconducting "phase quantum bits" (qubits) which are connected by a superconducting microwave-resonator data bus. Each qubit can output the logic level: 0 or 1. • Each qubit is connected to its own quantum random access memory (quRAM). quRAM acts like conventional RAM stores quantum nature of the information. • During operation, the bus and quRAMoperate at fixed frequencies, but the working frequency of a qubitchanges. When the frequency of a qubit matches that of a quRAM or the bus, then quantum information can be exchanged. • In reality, the experiment starts with the qubits detuned from other components. Then the information is loaded before adjusting working frequency of qubits. • Though it is still a challenge to build a practical quantum computer for now, this can still lead to the future development of quantum computer. Quantum Computing
