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Development of a comprehensive base process for superconducting circuits


Max Hofheinz, Professeur - Department of Electrical and Computer Engineering
Faculté des sciences
Département de physique
Faculté de génie
Département de génie électrique et de génie informatique
Institut interdisciplinaire d'innovation technologique (3IT)
Institut quantique
Stage postdoctoral
3IT - Institut interdisciplinaire d'innovation technologique
Institut Quantique Sherbrooke

Project Description

Context : Quantum information technology is currently transiting from academia to industry and the complexity of nanofabrication processes for state-of-the-art devices is growing rapidly. It is now exceeding the research and development capacity of start-up companies or academic research groups. In order to ensure continuous progress of quantum information technology, it is, therefore, necessary to pool the manufacturing efforts of small companies and research groups so as not to restrict the use of this strategic technology to a few large multinational companies.  

The goal of this project is to set up a pilot line for shared nanofabrication of state-of-the-art superconducting circuits in Canada. The project is based on a close collaboration between experts in superconducting quantum circuits at Institut Quantique (IQ) of Université de Sherbrooke (UdeS) and experts in micro- and  nanofabrication at 3IT of UdeS where the transition to shared manufacturing has already taken place. The industrial partner CMC Microsystems, an expert in the mutualization of processes and tools for the Canadian academic and industrial world, will ensure that the project corresponds to the needs of the market. Equipment manufacturers Angstrom Engineering and Raith will contribute their expertise in thin film deposition and e-beam lithography to the project which will in turn help them to optimize their tools for quantum systems. Theresults of this project will be used directly by the industrial partner Nord Quantique, a start-up company in Sherbrooke that manufactures superconducting quantum circuits 

Main tasks 
• Reliability and optimization of a nanofabrication process for quantum superconducting circuits
• Oversee the integration of new materials and sub-processes.
• Supervision of students (interns, masters, doctorate)

Required profile 
• PhD in micro-nanofabrication, superconducting circuits, microelectronics or nanomaterials, 
• Experience in vacuum deposition of thin layers and their usual characterizations 
• Strong taste for experimental work in clean rooms, design, research and development
• Knowledge of the theory of superconductivity and the basics of making superconducting quantum circuits
• Experience in cryogenic or microwave measurements

Supervision & work environment: The postdoc will be realized under the direction of Pr. Max Hofheinz and Pr. Sylvain Nicolay. The work will be carried out mainly at the Interdisciplinary Institute for Technological Innovation (3IT) and at the Quantum Institute (IQ) of UdeS. 3IT is a unique institute in Canada, specializing in the research and development of innovative technologies for energy, electronics, robotics and health. IQ is a state-of-the-art institute whose mission is to invent the quantum technologies of tomorrow and transfer them to the industry. 

Documents to provide:  
CV with list of publications  
Name and contact of 2 references 

This project can accommodate one or more students in the following program: 
Postdoctoral fellowship

Discipline(s) by sector

Sciences naturelles et génie

Génie électrique et génie électronique, Physique

Funding offered



CMC Microsystems, Nord Quantique, Angstrom Engineering , Raith

The last update was on 12 March 2024. The University reserves the right to modify its projects without notice.