Publication

Quantum-gas microscopy of many-body quantum states in programmable light potentials
Unlock the mysteries of many-body quantum systems in this PhD project, where ultracold atoms in optical lattices are manipulated with quantum-gas microscopes! Explore novel quantum states, study the impact of disordered lattice potentials, and create intricate spin distributions—all paving the way for groundbreaking discoveries in materials science, chemistry, and biology.
Jan 1, 2025
Quantum-gas microscopy of many-body quantum states in programmable light potentials
Single-beam grating-chip 3D and 1D optical lattices
Physical Review Letters 134, (2025)
Ultracold atoms are crucial for unlocking truly precise and accurate quantum metrology and provide an essential platform for quantum …
A. Bregazzi, J. P. McGilligan, P. F. Griffin, E. Riis, A. S. Arnold
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Optical phased array for sub-Doppler spectroscopy of the rubidium D2 absorption line
2024 IEEE Photonics Conference (IPC) 1–2 (2024)
We present a novel approach of interfacing photonic integrated circuits with wafer-bonded MEMS vapour cells leveraging the silicon …
J. Januszewicz, E. Di Gaetano, Z. McConkey, M. Sinclair, U. Hawley, S. Dyer, J. McGilligan, P. F. Griffin, E. Riis, M. Sorel, D. J. Paul, K. Gallacher
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Optimizing longitudinal spin relaxation in miniaturized optically pumped magnetometers
Physical Review Applied 22, (2024)
The microfabrication of cesium vapor cells for optically pumped magnetometry relies on optimization of buffer gas pressure in order to …
A. P. McWilliam, S. Dyer, D. Hunter, M. Mrozowski, S. J. Ingleby, O. Sharp, D. P. Burt, P. F. Griffin, J. P. McGilligan, E. Riis
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A compact cold atom cavity clock
Journal of Physics: Conference Series 2889, (2024)
A sample of laser cooled atoms are created inside an additively manufactured loop-gap microwave cavity using a grating magneto-optic …
A. Bregazzi, E. Batori, B. Lewis, C. Affolderbach, G. Mileti, P. Griffin, E. Riis
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Distributed network of optically pumped magnetometers for space weather monitoring
Scientific Reports 14, (2024)
Spatial variation in the intensity of magnetospheric and ionospheric fluctuations during solar storms creates ground-induced currents, …
M. S. Mrozowski, A. S. Bell, P. F. Griffin, D. Hunter, D. Burt, J. P. McGilligan, E. Riis, C. D. Beggan, S. J. Ingleby
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Sensitive and accurate quantum magnetometry for GNSS-denied positioning, critical national infrastructure, and magnetic anomaly detection
Proceedings of SPIE: The International Society for Optical Engineering 13202, (2024)
Optically pumped magnetometers (OPMs) exploiting alkali metal vapours for accurate, precise magnetometry have benefited from …
S. Ingleby, D. Hunter, M. Mrozowski, P. Griffin, E. Riis
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Practical doppler broadening thermometry
3230, (2024)
We report initial research to develop a compact and practical primary thermometer based on Doppler broadening thermometry (DBT). The …
N. Agnew, G. Machin, E. Riis, A. S. Arnold
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778.1 nm distributed feedback lasers for Rb two-photon atomic systems with sub-4 kHz linewidths
APL Photonics 9, (2024)
A new epitaxial layer design with a double mode expander layer, high refractive index claddings, and an aluminum-free active area has …
E. Di Gaetano, B. Keliehor, K. Gallacher, P. Griffin, M. Sorel, E. Riis, D. Paul
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Simple tunable phase-locked lasers for quantum technologies
(2024)
In a wide range of quantum technology applications, ranging from atomic clocks to the creation of ultracold or quantum degenerate …
N. Agnew, D. Lowit, A. S. Arnold
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