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Suppression of photon shot noise dephasing in a tunable coupling superconducting qubit

Author(s): Zhang, G; Liu, Y; Raftery, JJ; Houck, Andrew A

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dc.contributor.authorZhang, G-
dc.contributor.authorLiu, Y-
dc.contributor.authorRaftery, JJ-
dc.contributor.authorHouck, Andrew A-
dc.date.accessioned2021-10-08T20:15:40Z-
dc.date.available2021-10-08T20:15:40Z-
dc.date.issued2017-01-12en_US
dc.identifier.citationZhang, G, Liu, Y, Raftery, JJ, Houck, AA. (2017). Suppression of photon shot noise dephasing in a tunable coupling superconducting qubit. npj Quantum Information, 3 (10.1038/s41534-016-0002-2en_US
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1d85z-
dc.description.abstractWe demonstrate the suppression of photon shot noise dephasing in a superconducting qubit by eliminating its dispersive coupling to the readout cavity. This is achieved in a tunable coupling qubit, where the qubit frequency and coupling rate can be controlled independently. We observe that the coherence time approaches twice the relaxation time and becomes less sensitive to thermal photon noise when the dispersive coupling rate is tuned from several MHz to 22 kHz. This work provides a promising building block in circuit quantum electrodynamics that can hold high coherence and be integrated into larger systems.en_US
dc.language.isoen_USen_US
dc.relation.ispartofnpj Quantum Informationen_US
dc.rightsAuthor's manuscripten_US
dc.titleSuppression of photon shot noise dephasing in a tunable coupling superconducting qubiten_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1038/s41534-016-0002-2-
dc.date.eissued2017-01-12en_US
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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