qubitsok.com
Cut Noise. Work Quantum.
Europe, Germany, Braunschweig
•
Posted 23 days ago
🏛 Physikalisch-Technische Bundesanstalt
Role Type
Role Focus
Seniority
Employer Type
This PhD/Postdoc position focuses on continuing successful research activities related to Traveling Wave Parametric Amplifiers (TWPA) within the Coherent Quantum Circuits Group at PTB Braunschweig. The role involves utilizing existing departmental expertise in a national research project centered on superconducting parametric amplifiers for microwave frequencies. Key responsibilities include designing, fabricating, and electronically characterizing these quantum electronic circuits using advanced simulation and cryogenic measurement techniques.
Key Responsibilities
Design superconducting quantum electronic circuits for gigahertz frequencies utilizing numerical and finite element simulations.
Perform layout and fabrication of superconducting circuits using Josephson junctions in niobium and aluminum technology.
Conduct electronic characterization of the fabricated circuits in liquid helium at 4 Kelvin and in a dilution cryostat at millikelvin temperatures.
Optimize the hardware and software components of measurement setups, including the millikelvin sample holder and Python-based control software.
Required Skills
Design and simulation of GHz superconducting quantum electronic circuits using numerical and finite element methods.
Layout and fabrication of superconducting circuits with Josephson junctions in niobium and aluminium technology.
Electronic characterisation of circuits at cryogenic temperatures (4 Kelvin and millikelvin).
Optimization of measurement setups using Python-based software.
Technology Tags
The core focus of the job is research and development of Traveling Wave Parametric Amplifiers (TWPA).
The job involves the design, fabrication, and characterization of superconducting quantum electronic circuits.
The job focuses on amplifiers operating at microwave and GHz frequencies.
The characterization involves cryogenic environments, specifically liquid helium and dilution cryostats.
The fabrication of superconducting quantum circuits requires micro and nano-fabrication techniques within a clean room setting.
The job requires design of superconducting circuits using numerical and finite element simulations, which falls under device modelling.
The role requires software optimization for measurement setups utilizing the Python programming language.