{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13(1)"],"submitter":["Pan X"],"funding":["Key-Area Research and Development Program of Guang-Dong Province"],"pubmed_abstract":["Identifying, quantifying, and suppressing decoherence mechanisms in qubits are important steps towards the goal of engineering a quantum computer or simulator. Superconducting circuits offer flexibility in qubit design; however, their performance is adversely affected by quasiparticles (broken Cooper pairs). Developing a quasiparticle mitigation strategy compatible with scalable, high-coherence devices is therefore highly desirable. Here we experimentally demonstrate how to control quasiparticle generation by downsizing the qubit, capping it with a metallic cover, and equipping it with suitable quasiparticle traps. Using a flip-chip design, we shape the electromagnetic environment of the qubit above the superconducting gap, inhibiting quasiparticle poisoning. Our findings support the hypot"],"journal":["Nature communications"],"pagination":["7196"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9684549"],"repository":["biostudies-literature"],"pubmed_title":["Engineering superconducting qubits to reduce quasiparticles and charge noise."],"pmcid":["PMC9684549"],"pubmed_authors":["Pan X","Li J","Nie L","Yu D","Wei W","Zhang L","Liu S","Zhou Y","Yuan H","Jiang ZH","Hu L","Catelani G","Yan F"],"additional_accession":[]},"is_claimable":false,"name":"Engineering superconducting qubits to reduce quasiparticles and charge noise.","description":"Identifying, quantifying, and suppressing decoherence mechanisms in qubits are important steps towards the goal of engineering a quantum computer or simulator. Superconducting circuits offer flexibility in qubit design; however, their performance is adversely affected by quasiparticles (broken Cooper pairs). Developing a quasiparticle mitigation strategy compatible with scalable, high-coherence devices is therefore highly desirable. Here we experimentally demonstrate how to control quasiparticle generation by downsizing the qubit, capping it with a metallic cover, and equipping it with suitable quasiparticle traps. Using a flip-chip design, we shape the electromagnetic environment of the qubit above the superconducting gap, inhibiting quasiparticle poisoning. Our findings support the hypot","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Nov","modification":"2025-04-18T14:59:46.314Z","creation":"2025-04-07T01:26:38.48Z"},"accession":"S-EPMC9684549","cross_references":{"pubmed":["36418286"],"doi":["10.1038/s41467-022-34727-2"]}}