Silicon Quantum Information Processing Workshop On Monday (21/09/26) the SEQUEL group attended the SQIP (Silicon Quantum Information Processing) workshop hosted at the University of Cambridge. Euan gave a talk about his work on superconducting spiral inductors for RF reflectometry (which can be read here) while also presenting a poster on his work one wireless mK […]
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Read our new preprint on WS2 transistors here. Here, we explore how key device characteristics evolve in the deep-cryogenic regime and identify reproducible multi-stage turn-on behaviour, with implications for future cryogenic and quantum electronic devices. Click here to read.
Read our new preprint on wireless superconducting interconnects here Wireless interconnects have recently emerged as a promising complementary approach, yet their compatibility with superconducting quantum hardware remains largely unexplored. Here, we demonstrate the wireless excitation of a superconducting microwave resonator of the type routinely employed for qubit readout, operating at millikelvin temperatures inside a dilution
Read our new preprint on Spiral Inductors for RF Reflectometry here. Here, we present a systematic study of NbTiN spiral inductors under temperatures of several kelvin and magnetic fields approaching 1 T. By combining weakly coupled resonator measurements with independent two-port inductance extraction, we separate inductive and capacitive contributions to device behaviour and directly identify
Our work characterising commercial SiC MOSFETs at deep-cryogenic temperatures is published in IOP: Materials for Quantum Technology! Read our new paper characterising commercial SiC MOSFETs at deep-cryogenic temperatures. We study device reproducibility and variability from 300 K down to 650 mK, highlighting key low-temperature effects including threshold voltage shifts, gate hysteresis and degraded subthreshold behaviour.
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Read our new preprint on gate-based radio-frequency reflectometry in silicon carbide MOSFETs. We study RF readout in commercial SiC MOSFETs and explore how their device structure and low-temperature behaviour influence reflectometry performance. This work identifies key considerations for developing SiC transistor technology for cryogenic readout, cryo-CMOS electronics, and future quantum-devices. Click here to read.
A Review and Collection of Metrics and Benchmarks for Quantum Computers: definitions, methodologies and software A collabrative piece that focuses on the need for fair, unambiguous and objective benchmarking techniques for quantum computers. Click here to read.
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EPIQC Final Meeting On Friday (16/01/26) the SEQUEL lab hosted the final progress review meeting of the EPSRC project EPIQC (Empowering Practical Interfacing of Quantum Computing). It has been a fanastic 4 year long collaboration with our colleagues in NPL, Glasgow Uni, NQCC and UCL. The great synergy between these groups led to excellent work
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Quantum computing ‘KPI’s could distinguish true breakthroughs from spurious claims Great to see our work on metrics and benchmarks for quantum computing discussed in Nature as a useful tool to discern better between hype and genuine breakthroughs in the field. Click here to read.
1st Annual Christmas Lecture “On the 12th of December 2025 the department held its inaugural Christmas Lecture. This is a new series of annual public lectures to get the general public more familiar with the Physics Nobel Awards. This year we hosted Dr Tobias Lindström, Head of Science at NPL’s Quantum Tech department where he
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