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PhD/Postdoc in Traveling Wave Parametric Amplfiers (TWPA)

Physikalisch-Technische Bundesanstalt

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The Coherent Quantum Circuits Group at PTB Braunschweig works on superconducting parametric amplifiers for microwave frequencies. We have access to a clean room fully equipped to fabricate Nb- or Al-based quantum circuits. Our lab has several dilution cryostats equipped for measurements of parametric amplfiers and superconducting qubits, and we have liquid helium setups for rapid characterization available as well.

As part of a national research project, we are looking for you to continue our successful activities on travelling-wave parametric amplifiers. For the project you will build on existing expertise of the department (cf. our recent publication: https://doi.org/10.1103/1qk4-fzkq). 

Your activities will include:

  • Design of superconducting quantum electronic circuits for GHz frequencies using numerical and finite element simulations
  • Layout and fabrication of superconducting circuits with Josephson junctions in niobium and aluminium technology
  • Electronic characterisation of the circuits in liquid helium at 4 Kelvin and in a dilution cryostat at mK temperatures
  • Optimization of the measurement setups in terms of hardware (incl. mK sample holder) and software (based on Python)

If this sounds interesting to you check out the full job description at
https://ptbjobs.softgarden.io/job/61579702?l=en

How to apply

To apply please submit your documents through PTB's system: 
https://ptbjobs.softgarden.io/job/61579702?l=en

Physikalisch-Technische Bundesanstalt

Bundesallee 100
38116 Braunschweig, Deutschland

PhD/Postdoc in Traveling Wave Parametric Amplfiers (TWPA)
The Coherent Quantum Circuits Group at PTB Braunschweig works on superconducting parametric amplifiers for microwave frequencies. We have access to a clean room fully equipped to fabricate Nb- or Al-based quantum circuits. Our lab has several dilution cryostats equipped for measurements of parametric amplfiers and superconducting qubits, and we have liquid helium setups for rapid characterization available as well. As part of a national research project, we are looking for you to continue our successful activities on travelling-wave parametric amplifiers. For the project you will build on existing expertise of the department (cf. our recent publication: https://doi.org/10.1103/1qk4-fzkq).  Your activities will include: Design of superconducting quantum electronic circuits for GHz frequencies using numerical and finite element simulations Layout and fabrication of superconducting circuits with Josephson junctions in niobium and aluminium technology Electronic characterisation of the circuits in liquid helium at 4 Kelvin and in a dilution cryostat at mK temperatures Optimization of the measurement setups in terms of hardware (incl. mK sample holder) and software (based on Python) If this sounds interesting to you check out the full job description at https://ptbjobs.softgarden.io/job/61579702?l=en
2026-01-14
Quantum technologies
Physikalisch-Technische Bundesanstalt
https://www.ptb.de/cms/en.html
Bundesallee 100
Braunschweig
38116
DE
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