Experimental Quantum Physics Intern M/F

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Experimental Quantum Physics Intern developing sensors and test structures for hardware validation at cryogenic temperatures.

Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems. The quantum computer we envision building is based on a new kind of superconducting qubit: the Schrödinger cat qubit 🐈‍⬛ . In comparison to other superconducting platforms, cat qubits have the astonishing ability to implement quantum error correction autonomously! We're a diverse team of 250+ brilliant minds from over 35 countries united by a single goal: to revolutionise computing with a practical fault-tolerant quantum machine. Are you ready to take on unprecedented challenges and contribute to revolutionising technology? Join us, and let's shape the future of quantum computing together! PURPOSE OF THE ROLE In a context of developing new hardware to host larger chips in line with the company roadmap, the Experimental Quantum Physics Intern develops the sensors and test structures that validate this hardware at cryogenic temperatures. Reporting to the Team Lead, Cryohardware development, you will work closely with the Cryohardware development team and the Quantum Hardware lead expert to qualify the hardware.

Translate a hardware requirement into what to measure
Design test structures (e.g. resonators, daisy chains on printed circuit boards (PCB)) and the fixtures that mount them in a dilution refrigerator, up to fabrication files
Define sample size and statistics, repeatability across cooldowns, and pass/fail criteria
Estimate test time per unit
Measure superconducting film properties (critical temperature (Tc), residual resistance ratio (RRR)), microwave losses of resonators and interconnect continuity
Compare the results with simulations
Run the same procedure on many samples with traceable data

Experience in cryogenic, electrical or microwave measurements
Experience with a design tool (e.g. KiCad, mechanical computer-aided design (CAD), microwave simulation)
EXPERIENCE: No prior professional experience required