Project description
Silicon–superconducting qubits could make quantum computing more viable and scalable
Physicists are using a growing array of new tools to engineer physical systems on a subatomic scale, to be used as building blocks for the elusive vision of a quantum computer – a device that can address problems not solvable with classical computers. Superconducting circuits, made from superconducting metals and Josephson tunnel junctions, play a big role in processing quantum information, where they can be used as a platform for qubits. The EU-funded SiTe project plans to combine the flexibility of superconducting circuits with the most promising aspects of silicon spin qubits. More specifically, the research team will investigate weak links formed between the semiconductor and the superconductor. Silicon–superconducting qubits could prove to be a scalable platform for future quantum computers.
Objective
The quantum information revolution aims at transforming information technology by engineering quantum systems, i.e. qubits, that can be used for quantum information processing (QIP), which allows to perform computations inaccessible to classical computers. In the quest for such systems, solid-state qubits alongside trapped ions currently are the leading candidates. One of the most advanced solid-state technologies to date is based on superconducting quantum circuits (SQCs), which makes use of Josephson tunnel junctions and their macroscopic quantum coherence between two superconducting islands. Due to recent advances in semiconductor-superconductor hybrid (SSH) devices, novel SSH-based qubit architectures have emerged, demonstrating improved properties compared to conventional SQCs, such as in-situ tunability while not being susceptible to flux noise. These novel SSH qubits make use of the true microscopic particle transport within SSH weak links. The main goal of the project is to unambiguously demonstrate SSH-based qubits as a viable and scalable platform for QIP by combining novel SQCs with advanced silicon-technology. The fellow will develop and characterise SSH weak links solely based on silicon (Si), which have the advantage of being fully CMOS compatible and consisting entirely of crystalline materials. Finally, these Si-based weak links will be implemented in novel SQCs, which will combine the good controllability of SQCs with the unique material quality of Si. This will allow the study of the underlying charge dynamics, giving insight into sources of loss, and offer new possibilities for complex architectures. The successful completion of this project will be a decisive landmark towards understanding and integrating such devices in larger circuits, which will be crucial a step towards a vital roadmap for their application in QIP.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology materials engineering crystals
- natural sciences physical sciences quantum physics
- social sciences political sciences political transitions revolutions
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering computer hardware quantum computers
- natural sciences chemical sciences inorganic chemistry metalloids
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MSCA-IF-EF-SE - Society and Enterprise panel
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2019
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
8803 RUESCHLIKON
Switzerland
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.