Zobrazeno 1 - 10
of 700
pro vyhledávání: '"Simmons, M. P."'
Autor:
Donnelly, M. B., Rowlands, J., Kranz, L., Hsueh, Y. L., Chung, Y., Timofeev, A. V., Geng, H., Singh-Gregory, P., Gorman, S. K., Keizer, J. G., Rahman, R., Simmons, M. Y.
Correlated noise across multi-qubit architectures is known to be highly detrimental to the operation of error correcting codes and the long-term feasibility of quantum processors. The recent discovery of spatially dependent correlated noise in multi-
Externí odkaz:
http://arxiv.org/abs/2405.03763
Autor:
Monir, S., Osika, E. N., Gorman, S. K., Thorvaldson, I., Hsueh, Y. -L., Macha, P., Kranz, L., Reiner, J., Simmons, M. Y., Rahman, R.
Phosphorus donor nuclear spins in silicon couple weakly to the environment making them promising candidates for high-fidelity qubits. The state of a donor nuclear spin qubit can be manipulated and read out using its hyperfine interaction with the ele
Externí odkaz:
http://arxiv.org/abs/2310.12656
Autor:
Voisin, B., Ng, K. S. H., Salfi, J., Usman, M., Wong, J. C., Tankasala, A., Johnson, B. C., McCallum, J. C., Hutin, L., Bertrand, B., Vinet, M., Valanoor, N., Simmons, M. Y., Rahman, R., Hollenberg, L. C. L., Rogge, S.
Strain is extensively used to controllably tailor the electronic properties of materials. In the context of indirect band-gap semiconductors such as silicon, strain lifts the valley degeneracy of the six conduction band minima, and by extension the v
Externí odkaz:
http://arxiv.org/abs/2109.08540
Autor:
Voisin, B., Bocquel, J., Tankasala, A., Usman, M., Salfi, J., Rahman, R., Simmons, M. Y., Hollenberg, L. C. L., Rogge, S.
Publikováno v:
Nature Communications 11, 6124 (2020)
Tunneling is a fundamental quantum process with no classical equivalent, which can compete with Coulomb interactions to give rise to complex phenomena. Phosphorus dopants in silicon can be placed with atomic precision to address the different regimes
Externí odkaz:
http://arxiv.org/abs/2105.10931
Autor:
Krauth, F. N., Gorman, S. K., He, Y., Jones, M. T., Macha, P., Kocsis, S., Chua, C., Voisin, B., Rogge, S., Rahman, R., Chung, Y., Simmons, M. Y.
Single spin qubits based on phosphorus donors in silicon are a promising candidate for a large-scale quantum computer. Despite long coherence times, achieving uniform magnetic control remains a hurdle for scale-up due to challenges in high-frequency
Externí odkaz:
http://arxiv.org/abs/2105.02906
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Determination of qubit initialisation and measurement fidelity is important for the overall performance of a quantum computer. However, the method by which it is calculated in semiconductor qubits varies between experiments. In this paper we present
Externí odkaz:
http://arxiv.org/abs/1811.03630
Autor:
Kobayashi, T., Salfi, J., van der Heijden, J., Chua, C., House, M. G., Culcer, D., Hutchison, W. D., Johnson, B. C., McCallum, J. C., Riemann, H., Abrosimov, N. V., Becker, P., Pohl, H. -J., Simmons, M. Y., Rogge, S.
Publikováno v:
Nature Materials 20, 38-42 (2021)
Spin-orbit coupling fundamentally alters spin qubits, opening pathways to improve the scalability of quantum computers via long distance coupling mediated by electric fields, photons, or phonons. It also allows for new engineered hybrid and topologic
Externí odkaz:
http://arxiv.org/abs/1809.10859
Autor:
Pakkiam, P., Timofeev, A. V., House, M. G., Hogg, M. R., Kobayashi, T., Koch, M., Rogge, S., Simmons, M. Y.
Publikováno v:
Phys. Rev. X 8, 041032 (2018)
For solid-state spin qubits, single-gate RF readout can help minimise the number of gates required for scale-up to many qubits since the readout sensor can integrate into the existing gates required to manipulate the qubits (Veldhorst 2017, Pakkiam 2
Externí odkaz:
http://arxiv.org/abs/1809.01802
Autor:
Broome, M. A., Gorman, S. K., House, M. G., Hile, S. J., Keizer, J. G., Keith, D., Hill, C. D., Watson, T. F., Baker, W. J., Hollenberg, L. C. L., Simmons, M. Y.
Publikováno v:
Nat. Comm., 980, 9, 1, (2018)
Substitutional donor atoms in silicon are promising qubits for quantum computation with extremely long relaxation and dephasing times demonstrated. One of the critical challenges of scaling these systems is determining inter-donor distances to achiev
Externí odkaz:
http://arxiv.org/abs/1807.10295