Publication

A cold-atom Ramsey clock with a low volume physics package
Scientific Reports 14, (2024)
We demonstrate a Ramsey-type microwave clock interrogating the 6.835 GHz ground-state transition in cold 87Rb atoms loaded from a …
A. Bregazzi, E. Batori, B. Lewis, C. Affolderbach, G. Mileti, E. Riis, P. Griffin
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A grating-chip atomic fountain
Applied Physics Letters 121, 164001 (2022)
Cold atom fountain clocks provide exceptional long term stability as they increase interrogation time at the expense of a larger size. …
B. Lewis, R. Elvin, A. S. Arnold, E. Riis, P. F. Griffin
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Micro-machined deep silicon atomic vapor cells
Journal of Applied Physics 132, 134401 (2022)
Using a simple and cost-effective water jet process, silicon etch depth limitations are overcome to realize a 6 mm deep atomic vapor …
S. Dyer, P. F. Griffin, A. S. Arnold, F. Mirando, D. P. Burt, E. Riis, J. P. McGilligan
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Micro-fabricated components for cold atom sensors
Review of Scientific Instruments 93, 091101 (2022)
Laser cooled atoms have proven transformative for precision metrology, playing a pivotal role in state-of-the-art clocks and …
J. P. McGilligan, K. Gallacher, P. F. Griffin, D. J. Paul, A. S. Arnold, E. Riis
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A simple imaging solution for chip-scale laser cooling
Applied Physics Letters 119, 184002 (2021)
We demonstrate a simple stacked scheme that enables absorption imaging through a hole in the surface of a grating magneto-optical trap …
A. Bregazzi, P. F. Griffin, A. S. Arnold, D. P. Burt, G. Martinez, R. Boudot, J. Kitching, E. Riis, J. P. McGilligan
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Stand-alone vacuum cell for compact ultracold quantum technologies
Applied Physics Letters 119, 124002 (2021)
Compact vacuum systems are key enabling components for cold atom technologies, facilitating extremely accurate sensing applications. …
O. S. Burrow, P. F. Osborn, E. Boughton, F. Mirando, D. P. Burt, P. F. Griffin, A. S. Arnold, E. Riis
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Towards a compact, optically interrogated, cold-atom microwave clock
Advanced Optical Technologies 9, 297–303 (2020)
A compact platform for cold atoms opens a range of exciting possibilities for portable, robust and accessible quantum sensors. In this …
R. Elvin, M. W. Wright, B. Lewis, B. L. Keliehor, A. Bregazzi, J. P. McGilligan, A. S. Arnold, P. F. Griffin, E. Riis
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Laser cooling in a chip-scale platform
Applied Physics Letters 117, 054001 (2020)
Chip-scale atomic devices built around micro-fabricated alkali vapor cells are at the forefront of compact metrology and atomic …
J. P. McGilligan, K. R. Moore, A. Dellis, G. D. Martinez, E. De Clercq, P. F. Griffin, A. S. Arnold, E. Riis, R. Boudot, J. Kitching
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Cold-atom clock based on a diffractive optic
Optics Express 27, 38359 (2019)
R. Elvin, G. W. Hoth, M. Wright, B. Lewis, J. P. McGilligan, A. S. Arnold, P. F. Griffin, E. Riis
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Towards a compact atomic clock based on coherent population trapping and the grating magneto-optical trap
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology 82 (2019)
E. Riis, G. W. Hoth, R. Elvin, M. Wright, B. Lewis, A. S. Arnold, P. F. Griffin
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