All Outputs (17)

Terrestrial Very-Long-Baseline Atom Interferometry: summary of the second workshop (2025)
Journal Article
Abdalla, A., Abe, M., Abend, S., Abidi, M., Aidelsburger, M., Alibabaei, A., Allard, B., Antoniadis, J., Arduini, G., Augst, N., Balamatsias, P., Balaž, A., Banks, H., Barcklay, R. L., Barone, M., Barsanti, M., Bason, M. G., Bassi, A., Bayle, J.-B., Baynham, C. F. A., …Zupanič, E. (2025). Terrestrial Very-Long-Baseline Atom Interferometry: summary of the second workshop. EPJ Quantum Technology, 12, Article 42. https://doi.org/10.1140/epjqt/s40507-025-00344-3

This summary of the second Terrestrial Very-Long-Baseline Atom Interferometry (TVLBAI) Workshop provides a comprehensive overview of our meeting held in London in April 2024 (Second Terrestrial Very-Long-Baseline Atom Interferometry Workshop, Imperia... Read More about Terrestrial Very-Long-Baseline Atom Interferometry: summary of the second workshop.

Additive manufacturing of functionalised atomic vapour cells for next-generation quantum technologies (2024)
Journal Article
Wang, F., Cooper, N., He, Y., Hopton, B., Johnson, D., Zhao, P., Tuck, C. J., Hague, R., Fromhold, T. M., Wildman, R. D., Turyanska, L., & Hackermüller, L. (2025). Additive manufacturing of functionalised atomic vapour cells for next-generation quantum technologies. Quantum Science and Technology, 10(1), Article 015019. https://doi.org/10.1088/2058-9565/ad8678

Atomic vapour cells are an indispensable tool for quantum technologies (QT), but potential improvements are limited by the capacities of conventional manufacturing techniques. Using an additive manufacturing (AM) technique—vat polymerisation by digit... Read More about Additive manufacturing of functionalised atomic vapour cells for next-generation quantum technologies.

Dual-frequency Doppler-free spectroscopy for simultaneous laser stabilization in compact atomic physics experiments (2023)
Journal Article
Cooper, N., Madkhaly, S., Johnson, D., Hopton, B., Baldolini, D., & Hackermüller, L. (in press). Dual-frequency Doppler-free spectroscopy for simultaneous laser stabilization in compact atomic physics experiments. Physical Review A, 108, Article 013521. https://doi.org/10.1103/PhysRevA.108.013521

Vapor-cell spectroscopy is an essential technique in many fields and is particularly relevant for quantum technologies. Most atom- and ion-trapping experiments rely on simultaneous spectroscopy of two atomic transitions, employing a separate apparatu... Read More about Dual-frequency Doppler-free spectroscopy for simultaneous laser stabilization in compact atomic physics experiments.

Observation of collectivity enhanced magnetoassociation of 6 Li in the quantum degenerate regime (2022)
Journal Article
Naniyil, V., Zhou, Y., Simmonds, G., Cooper, N., Li, W., & Hackermüller, L. (2022). Observation of collectivity enhanced magnetoassociation of 6 Li in the quantum degenerate regime. New Journal of Physics, 24, Article 113005. https://doi.org/10.1088/1367-2630/ac9b81

The association process of Feshbach molecules is well described by a Landau-Zener transition above the Fermi temperature, such that two-body physics dominates the dynamics. However, using 6 Li atoms and the associated Feshbach resonance at B r = 834.... Read More about Observation of collectivity enhanced magnetoassociation of 6 Li in the quantum degenerate regime.

High-performance, additively-manufactured atomic spectroscopy apparatus for portable quantum technologies (2022)
Journal Article
Madkhaly, S. H., Cooper, N., Coles, L., & Hackermüller, L. (2022). High-performance, additively-manufactured atomic spectroscopy apparatus for portable quantum technologies. Optics Express, 30(14), 25753-25764. https://doi.org/10.1364/OE.455678

We demonstrate a miniaturised and highly robust system for performing Doppler-free spectroscopy on thermal atomic vapour for three frequencies as required for cold atom-based quantum technologies. The application of additive manufacturing techniques,... Read More about High-performance, additively-manufactured atomic spectroscopy apparatus for portable quantum technologies.

Performance-Optimized Components for Quantum Technologies via Additive Manufacturing (2021)
Journal Article
Madkhaly, S. H., Coles, L. A., Morley, C., Colquhoun, C. D., Fromhold, T. M., Cooper, N., & Hackermüller, L. (2021). Performance-Optimized Components for Quantum Technologies via Additive Manufacturing. PRX Quantum, 2(3), Article 030326. https://doi.org/10.1103/prxquantum.2.030326

Novel quantum technologies and devices place unprecedented demands on the performance of experimental components, while their widespread deployment beyond the laboratory necessitates increased robustness and fast affordable production. We show how th... Read More about Performance-Optimized Components for Quantum Technologies via Additive Manufacturing.

Additively manufactured ultra-high vacuum chamber for portable quantum technologies (2021)
Journal Article
Cooper, N., Coles, L., Everton, S., Maskery, I., Campion, R., Madkhaly, S., Morley, C., O’Shea, J., Evans, W., Saint, R., Krüger, P., Oručević, F., Tuck, C., Wildman, R., Fromhold, T., & Hackermüller, L. (2021). Additively manufactured ultra-high vacuum chamber for portable quantum technologies. Additive Manufacturing, 40, Article 101898. https://doi.org/10.1016/j.addma.2021.101898

© 2021 Additive manufacturing is having a dramatic impact on research and industry across multiple sectors, but the production of additively manufactured systems for ultra-high vacuum applications has so far proved elusive and widely been considered... Read More about Additively manufactured ultra-high vacuum chamber for portable quantum technologies.

Cold atoms in micromachined waveguides: A new platform for atom-photon interactions (2020)
Journal Article
Da Ros, E., Cooper, N., Nute, J., & Hackermueller, L. (2020). Cold atoms in micromachined waveguides: A new platform for atom-photon interactions. Physical Review Research, 2(3), Article 033098. https://doi.org/10.1103/physrevresearch.2.033098

Hybrid quantum devices, incorporating both atoms and photons, can exploit the benefits of both to enable scalable architectures for quantum computing and quantum communication, as well as chip-scale sensors and single-photon sources. Production of su... Read More about Cold atoms in micromachined waveguides: A new platform for atom-photon interactions.

Prospects for strongly coupled atom-photon quantum nodes (2019)
Journal Article
Cooper, N., Briddon, C., Da Ros, E., Naniyil, V., Greenaway, M., & Hackermueller, L. (2019). Prospects for strongly coupled atom-photon quantum nodes. Scientific Reports, 9, Article 7798. https://doi.org/10.1038/s41598-019-44292-2

We discuss the trapping of cold atoms within microscopic voids drilled perpendicularly through the axis of an optical waveguide. The dimensions of the voids considered are between 1 and 40 optical wavelengths. By simulating light transmission across... Read More about Prospects for strongly coupled atom-photon quantum nodes.

Collimated dual species oven source and its characterisation via spatially resolved fluorescence spectroscopy (2018)
Journal Article
Cooper, N., Da Ros, E., Nute, J., Baldolini, D., Jouve, P., Hackermüller, L., & Langer, M. (in press). Collimated dual species oven source and its characterisation via spatially resolved fluorescence spectroscopy. Journal of Physics D: Applied Physics, 51(10), Article 105602. https://doi.org/10.1088/1361-6463/aaa285

We describe the design, construction and characterisation of a collimated, dual-species oven source for generating intense beams of lithium and caesium in UHV environments. Our design produces full beam overlap for the two species. Using an aligned m... Read More about Collimated dual species oven source and its characterisation via spatially resolved fluorescence spectroscopy.

Gravity in the quantum lab (2017)
Journal Article
Howl, R., Hackermüller, L., Bruschi, D. E., & Fuentes, I. (2018). Gravity in the quantum lab. Advances in Physics, 3(1), Article 1383184. https://doi.org/10.1080/23746149.2017.1383184

At the beginning of the previous century, Newtonian mechanics was advanced by two new revolutionary theories, Quantum Mechanics (QM) and General Relativity (GR). Both theories have transformed our view of physical phenomena, with QM accurately predic... Read More about Gravity in the quantum lab.

Quantum decoherence of phonons in Bose–Einstein condensates (2017)
Journal Article
Howl, R., Sabín, C., Hackermüller, L., & Fuentes, I. (2017). Quantum decoherence of phonons in Bose–Einstein condensates. Journal of Physics B: Atomic, Molecular and Optical Physics, 51(1), https://doi.org/10.1088/1361-6455/aa9622

We apply modern techniques from quantum optics and quantum information science to Bose–Einstein condensates(BECs)in order to study, for the first time, the quantum decoherence of phonons of isolated BECs. In the last few years, major advances in the... Read More about Quantum decoherence of phonons in Bose–Einstein condensates.

Superfluid flow past an obstacle in annular Bose-Einstein condensates (2016)
Journal Article
Syafwan, M., Kevrekidis, P., Paris-Mandoki, A., Lesanovsky, I., Kruger, P., Hackermuller, L., & Susanto, H. (2016). Superfluid flow past an obstacle in annular Bose-Einstein condensates. Journal of Physics B: Atomic, Molecular and Optical Physics, 49(23), 1-8. https://doi.org/10.1088/0953-4075/49/23/235301

© 2016 IOP Publishing Ltd. We investigate the flow of a one-dimensional nonlinear Schrödinger model with periodic boundary conditions past an obstacle, motivated by recent experiments with Bose-Einstein condensates in ring traps. Above certain rotati... Read More about Superfluid flow past an obstacle in annular Bose-Einstein condensates.

The UK National Quantum Technologies Hub in sensors and metrology (Keynote Paper) (2016)
Presentation / Conference Contribution
Bongs, K., Boyer, V., Cruise, M., Freise, A., Holynski, M., Hughes, J., Kaushik, A., Lien, Y.-H., Niggebaum, A., Perea-Ortiz, M., Petrov, P., Plant, S., Singh, Y., Stabrawa, A., Paul, D., Sorel, M., Cumming, D., Marsh, J., Bowtell, R. W., Bason, M., …John, P. (2016, April). The UK National Quantum Technologies Hub in sensors and metrology (Keynote Paper). Presented at SPIE Photonics Europe, 2016, Brussels, Belgium

The UK National Quantum Technology Hub in Sensors and Metrology is one of four flagship initiatives in the UK National of Quantum Technology Program. As part of a 20-year vision it translates laboratory demonstrations to deployable practical devices,... Read More about The UK National Quantum Technologies Hub in sensors and metrology (Keynote Paper).

Enhanced Raman sideband cooling of caesium atoms in a vapour-loaded magneto-optical trap (2015)
Journal Article
Li, Y., Wu, J., Feng, G., Nute, J., Piano, S., Hackermüller, L., Ma, J., Xiao, L., & Jia, S. (2015). Enhanced Raman sideband cooling of caesium atoms in a vapour-loaded magneto-optical trap. Laser Physics Letters, 12(5), Article 055501. https://doi.org/10.1088/1612-2011/12/5/055501

We report enhanced three-dimensional degenerated Raman sideband cooling (3D DRSC) of caesium (Cs) atoms in a standard single-cell vapour-loaded magneto-optical trap. Our improved scheme involves using a separate repumping laser and optimized lattice... Read More about Enhanced Raman sideband cooling of caesium atoms in a vapour-loaded magneto-optical trap.

Versatile cold atom source for multi-species experiments (2014)
Journal Article
Paris-Mandoki, A., Jones, M. D., Nute, J., Wu, J., Warriar, S., & Hackermüller, L. (2014). Versatile cold atom source for multi-species experiments. Review of Scientific Instruments, 85(11), Article 113103. https://doi.org/10.1063/1.4900577

We present a dual-species oven and Zeeman slower setup capable of producing slow, high-flux atomic beams for loading magneto-optical traps. Our compact and versatile system is based on electronic switching between different magnetic field profiles an... Read More about Versatile cold atom source for multi-species experiments.

Impurities as a quantum thermometer for a Bose-Einstein condensate (2014)
Journal Article
Sabín, C., White, A., Hackermuller, L., & Fuentes, I. (2014). Impurities as a quantum thermometer for a Bose-Einstein condensate. Scientific Reports, 4, 1-6. https://doi.org/10.1038/srep06436

We introduce a primary thermometer which measures the temperature of a Bose-Einstein Condensate in the sub-nK regime. We show, using quantum Fisher information, that the precision of our technique improves the state-of-the-art in thermometry in the s... Read More about Impurities as a quantum thermometer for a Bose-Einstein condensate.