Researchers Develop World’s First Distributed Quantum Computer PrototypeSeverin Daiss, Stefan Langenfeld, and other researchers from the Max Planck Institute of Quantum Optics in Garching realized the first quantum-logic computer operation between two separate quantum modules. The team interconnected two qubits, the memory and processing units of quantum computers, in two different labs to a distributed quantum computer. In the study, two qubit modules were successfully connected over 60 meters, resulting in the formation of a basic quantum computer with two qubits. “Across this distance, we perform a quantum computing operation between two independent qubit setups in different laboratories,” Daiss said. According to Gerhard Rempre, the team leader and director of the institute, the new study will further advance quantum technology. The modules send one single photon that is transported in the optical fiber, and it is entangled with the quantum states of the qubits. The new system works with two modules, each with a single atom as a qubit, positioned between two mirrors.
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