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Position: Doctoral thesis in Quantencomputing: Conceptual design and implementation of a RF measurement system at extremely low temperatures
Institution: Forschungszentrum Jülich GmbH
Department: ZEA-2 - Electronic Systems
Location: Jülich, Nordrhein‐Westfalen, Germany
Duties: In this project you will develop a concept and design a RF measurement system for the characterization and verification of CMOS integrated circuits at liquid helium temperatures. The major challenge is to combine high performance RF measurements with these extremely low temperatures for enabling the characterization of the developed CMOS cryogenic control electronics for future Quantencomputing. The CMOS characterization at RF frequencies at cryogenic temperatures is a largely unexplored field. The observed low-temperature behavior is required to generate models for circuit design and simulation for cryogenic applications
Requirements: Electrical engineering or physics background. Interest to combine high performance RF measurement technology (10-20GHz) with cryogenics. Spirit for team work in interdisciplinary and intercultural teams. Hands-on attitude
   
Text: Doctoral thesis in Quantencomputing: Conceptual design and implementation of a RF measurement system at extremely low temperatures Advertising institute: ZEA-2 - Electronic Systems Reference number: D130/2017, Electrical engineering or physics The Central Institute of Engineering, Electronics and Analytics (ZEA-2 - Electronic Systems) is a scientific technical institute of Forschungszentrum Jülich GmbH performing research and development projects in cooperation with the institutes of the research center as well as external partners. The focus of our work is electronic and information technology system solutions in sensor and detector technology, signal and data processing as well as measurement techniques. Hereby the preferred approach are silicon-based System-on-Chip (SoC, highly integrated) solutions. Field of activity: In future quantum computers, millions of qubits need to be addressed and read out in parallel. This puts very stringent and demanding requirements on the control electronic of the qubits based on classical technologies. On top, solid state or superconducting qubits have to be operated at cryogenic temperatures well below 100 mK, putting a limit on the total power budget of cryogenic control electronics on the order of 1 mW. Within the Quantencomputing program, we implement circuits in standard CMOS and investigate their behavior at temperatures around a few Kelvin. Your task: In this project you will develop a concept and design a RF measurement system for the characterization and verification of CMOS integrated circuits at liquid helium temperatures. The major challenge is to combine high performance RF measurements with these extremely low temperatures for enabling the characterization of the developed CMOS cryogenic control electronics for future Quantencomputing. The CMOS characterization at RF frequencies at cryogenic temperatures is a largely unexplored field. The observed low-temperature behavior is required to generate models for circuit design and simulation for cryogenic applications. You will work closely together with the qubit electronics experts in IC design for verification and optimization of the circuit implementation. Your profile: Electrical engineering or physics background Interest to combine high performance RF measurement technology (10-20GHz) with cryogenics Spirit for team work in interdisciplinary and intercultural teams Hands-on attitude Our offer: Opportunity to closely work together within the team of Quantencomputing experts Further development of personal strengths in socially balanced working environment We will strongly support your on-the-job training at the start. Forschungszentrum Jülich aims to employ more women in this area and therefore particularly welcomes applications from women. We also welcome applications from disabled persons. Application Did we raise your attention and you got curious? We are looking forward for your application. For further information please contact: Britta Hallmann Zentralinstitut für Engineering, Elektronik und Analytik ZEA-2: Systeme der Elektronik Forschungszentrum Jülich GmbH 52425 Jülich E-Mail: verwaltung.zea2@fz-juelich.de
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