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Modular Universal Scalable Ion-trap Quantum Computer

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Technical Report,01 Aug 2010,31 Jan 2016

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Duke University Durham, United States

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The main goal of the original MUSIQC proposal was to construct and demonstrate a modular and universally-expandable ion trap quantumcomputer. This architecture has two separate layers of scalability the first is to increase the number of ion qubits in a single trap, with full control over the qubits, and the second is to interconnect qubits in different traps using photonic channels. The proof-of-principle demonstrations for single and two-qubit gates in a single ion chain had been carried out on a 2-ion chain, and a creation of entanglement generation through photonic channels was also demonstrated. We had an ambitious goal of integrating all of these components and assemble an 80-qubit quantum processor, consisting of four ion chains with 20 ions in each chain, interconnected by a small photonic network. While it is true that the MUSIQC collaboration has fallen short of constructing and demonstrating our ambitious goal of 80-qubit, networked quantum processor operation, we have accomplished significant progress in the field of ion trap quantum computing that has changed the landscape of the field prior to MUSIQC project. We have developed a deep understanding of fundamental system integration challenges that led to several practical solutions we have been able to partially pursue within the later phases of the MUSIQC project, as well as new research opportunities outside the scope of the MQCO program.

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