All Outputs (51)

Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime (2024)
Journal Article
Brewin, A., Gallagher, L. A. P., Pritchett, J. D., Wong, H. Q. X., Potvliege, R. M., Clark, S. J., & Jones, M. P. A. (2024). Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime. New Journal of Physics, 26(11), Article 113018. https://doi.org/10.1088/1367-2630/ad8c74

We study the ultrastrong driving of Rydberg excitons in Cu2O by a microwave field. The effect of the field is studied using optical absorption spectroscopy, and through the observation of sidebands on the transmitted laser light. A model based on Flo... Read More about Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime.

Addendum: Multichannel quantum defect theory of strontium bound Rydberg states (2014 J. Phys. B: At. Mol. Opt. Phys. 47 155001) (2024)
Journal Article
Vaillant, C. L., Jones, M. P. A., & Potvliege, R. M. (2024). Addendum: Multichannel quantum defect theory of strontium bound Rydberg states (2014 J. Phys. B: At. Mol. Opt. Phys. 47 155001). Journal of Physics B: Atomic, Molecular and Optical Physics, 57(19), Article 199401. https://doi.org/10.1088/1361-6455/ad76f0

Newly calculated multichannel quantum defect theory parameters and channel fractions are presented for the singlet and triplet S, P and D series and singlet F series of strontium. These results correct those reported in Vaillant et al (2014 J. Phys.... Read More about Addendum: Multichannel quantum defect theory of strontium bound Rydberg states (2014 J. Phys. B: At. Mol. Opt. Phys. 47 155001).

Giant microwave–optical Kerr nonlinearity via Rydberg excitons in cuprous oxide (2024)
Journal Article
Pritchett, J. D., Gallagher, L. A. P., Brewin, A., Wong, H. Q. X., Langbein, W., Lynch, S. A., …Jones, M. P. A. (2024). Giant microwave–optical Kerr nonlinearity via Rydberg excitons in cuprous oxide. APL Photonics, 9(3), Article 031303. https://doi.org/10.1063/5.0192710

Microwave–optical conversion is key to future networks of quantum devices, such as those based on superconducting technology. Conversion at the single quantum level requires strong nonlinearity, high bandwidth, and compatibility with a millikelvin en... Read More about Giant microwave–optical Kerr nonlinearity via Rydberg excitons in cuprous oxide.

Trap induced broadening in a potential hydrogen lattice clock (2024)
Journal Article
Scott, J. P., Potvliege, R. M., Carty, D., & Jones, M. P. A. (2024). Trap induced broadening in a potential hydrogen lattice clock. Metrologia, 61(2), Article 025001. https://doi.org/10.1088/1681-7575/ad1e37

We consider the potential use of optical traps for precision measurements in atomic hydrogen (H). Using an implicit summation method, we calculate the atomic polarisability, the rates of elastic/inelastic scattering and the ionisation rate in the wav... Read More about Trap induced broadening in a potential hydrogen lattice clock.

Deuterium spectroscopy for enhanced bounds on physics beyond the standard model (2023)
Journal Article
Potvliege, R. M., Nicolson, A., Jones, M. P. A., & Spannowsky, M. (2023). Deuterium spectroscopy for enhanced bounds on physics beyond the standard model. Physical Review A, 108(5), Article 052825. https://doi.org/10.1103/physreva.108.052825

We consider the impact of combining precision spectroscopic measurements made in atomic hydrogen with similar measurements made in atomic deuterium on the search for physics beyond the standard model. Specifically, we consider the wide class of model... Read More about Deuterium spectroscopy for enhanced bounds on physics beyond the standard model.

High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in Cu2O (2022)
Journal Article
Rogers, J. P., Gallagher, L. A., Pizzey, D., Pritchett, J. D., Adams, C. S., Jones, M. P., Hodges, C., Langbein, W., & Lynch, S. A. (2022). High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in Cu2O. Physical Review B, 105(11), Article 115206. https://doi.org/10.1103/physrevb.105.115206

We present a study of even-parity Rydberg exciton states in cuprous oxide using second harmonic generation (SHG) spectroscopy. Excitonic states with principal quantum number n = 5 − 12 were excited by nanosecond pulses around 1143 nm. Using time-reso... Read More about High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in Cu2O.

Rydberg excitons in synthetic cuprous oxide Cu2O (2021)
Journal Article
Lynch, S. A., Hodges, C., Mandal, S., Langbein, W., Singh, R. P., Gallagher, L. A., Pritchett, J. D., Pizzey, D., Rogers, J. P., Adams, C. S., & Jones, M. P. (2021). Rydberg excitons in synthetic cuprous oxide Cu2O. Physical Review Materials, 5(8), Article 084602. https://doi.org/10.1103/physrevmaterials.5.084602

High-lying Rydberg states of Mott-Wannier excitons are receiving considerable interest due to the possibility of adding long-range interactions to the physics of excitons. Here, we study Rydberg excitation in bulk synthetic cuprous oxide grown by the... Read More about Rydberg excitons in synthetic cuprous oxide Cu2O.

Microwave-optical coupling via Rydberg excitons in cuprous oxide (2021)
Journal Article
Gallagher, L. A., Rogers, J. P., Pritchett, J. D., Mistry, R. A., Pizzey, D., Adams, C. S., Jones, M. P., Grünwald, P., Walther, V., Hodges, C., Langbein, W., & Lynch, S. A. (2022). Microwave-optical coupling via Rydberg excitons in cuprous oxide. Physical Review Research, 4(1), https://doi.org/10.1103/physrevresearch.4.013031

We report exciton-mediated coupling between microwave and optical fields in cuprous oxide (Cu2O) at low temperatures. Rydberg excitonic states with principal quantum number up to n = 12 were observed at 4 K using both one-photon (absorption) and two-... Read More about Microwave-optical coupling via Rydberg excitons in cuprous oxide.

ARC 3.0: An expanded Python toolbox for atomic physics calculations (2021)
Journal Article
Robertson, E., Sibalic, N., Potvliege, R., & Jones, M. (2021). ARC 3.0: An expanded Python toolbox for atomic physics calculations. Computer Physics Communications, 261(107814), Article 107814. https://doi.org/10.1016/j.cpc.2020.107814

ARC 3.0 is a modular, object-oriented Python library combining data and algorithms to enable the calculation of a range of properties of alkali and divalent atoms. Building on the initial version of the ARC library (Šibalić et al., 2017), which focus... Read More about ARC 3.0: An expanded Python toolbox for atomic physics calculations.

Number-resolved imaging of $^{88}$Sr atoms in a long working distance optical tweezer (2020)
Journal Article
Jackson, N., Hanley, R., Hill, M., Leroux, F., Adams, C., & Jones, M. (2020). Number-resolved imaging of $^{88}$Sr atoms in a long working distance optical tweezer. SciPost Physics, 8(3), Article 038. https://doi.org/10.21468/scipostphys.8.3.038

We demonstrate number-resolved detection of individual strontium atoms in a long working distance low numerical aperture (NA = 0.26) tweezer. Using a camera based on single-photon counting technology, we determine the presence of an atom in the tweez... Read More about Number-resolved imaging of $^{88}$Sr atoms in a long working distance optical tweezer.

Probing new physics using Rydberg states of atomic hydrogen (2020)
Journal Article
Jones, M., Potvliege, R., & Spannowsky, M. (2020). Probing new physics using Rydberg states of atomic hydrogen. Physical Review Research, 2(1), Article 013244. https://doi.org/10.1103/physrevresearch.2.013244

We consider the role of high-lying Rydberg states of simple atomic systems such as 1H in setting constraints on physics beyond the standard model. We obtain highly accurate bound states energies for a hydrogen atom in the presence of an additional fo... Read More about Probing new physics using Rydberg states of atomic hydrogen.

Coulomb anti-blockade in a Rydberg gas (2019)
Journal Article
Bounds, A., Jackson, N., Hanley, R., Bridge, E., Huillery, P., & Jones, M. (2019). Coulomb anti-blockade in a Rydberg gas. New Journal of Physics, 21(5), Article 053026. https://doi.org/10.1088/1367-2630/ab1c0e

We perform a comprehensive investigation of the coupling between a Rydberg-dressed atomic gas and an ultra-cold plasma. Using simultaneous time-resolved measurements of both neutral atoms and ions, we show that plasma formation occurs via a Coulomb a... Read More about Coulomb anti-blockade in a Rydberg gas.

Rydberg-dressed Magneto-Optical Trap (2018)
Journal Article
Bounds, A. D., Jackson, N. C., Hanley, R. K., Faoro, R., Bridge, E. M., Huillery, P., & Jones, M. P. A. (2018). Rydberg-dressed Magneto-Optical Trap. Physical Review Letters, 120(18), Article 183401. https://doi.org/10.1103/physrevlett.120.183401

We propose and demonstrate the laser cooling and trapping of Rydberg-dressed Sr atoms. By offresonantly coupling the excited state of a narrow (7 kHz) cooling transition to a high-lying Rydberg state, we transfer Rydberg properties such as enhanced e... Read More about Rydberg-dressed Magneto-Optical Trap.

Quantitative simulation of a magneto-optical trap operating near the photon recoil limit (2017)
Journal Article
Hanley, R. K., Huillery, P., Keegan, N. C., Bounds, A. D., Faoro, R., & Jones, M. P. (2018). Quantitative simulation of a magneto-optical trap operating near the photon recoil limit. Journal of Modern Optics, 65(5-6), 667-676. https://doi.org/10.1080/09500340.2017.1401679

We present a quantitative model for magneto-optical traps operating on narrow transitions, where the transition linewidth and the recoil shift are comparable. We combine a quantum treatment of the light scattering process with a Monte-Carlo simulatio... Read More about Quantitative simulation of a magneto-optical trap operating near the photon recoil limit.

Rydberg electrometry for optical lattice clocks (2017)
Journal Article
Bowden, W., Hobson, R., Huillery, P., Gill, P., Jones, M., & Hill, I. (2017). Rydberg electrometry for optical lattice clocks. Physical Review A, 96(2), Article 023419. https://doi.org/10.1103/physreva.96.023419

Electrometry is performed using Rydberg states to evaluate the quadratic Stark shift of the 5s2 1 S0-5s5p 3 P0 clock transition in strontium. By measuring the Stark shift of the highly excited 5s75d 1 D2 state using electromagnetically induced transp... Read More about Rydberg electrometry for optical lattice clocks.

Probing interactions of thermal Sr Rydberg atoms using simultaneous optical and ion detection (2017)
Journal Article
Hanley, R. K., Bounds, A. D., Huillery, P., Keegan, N. C., Faoro, R., Bridge, E. M., …Jones, M. P. (2017). Probing interactions of thermal Sr Rydberg atoms using simultaneous optical and ion detection. Journal of Physics B: Atomic, Molecular and Optical Physics, 50(11), Article 115002. https://doi.org/10.1088/1361-6455/aa6e79

We demonstrate a method for probing interaction effects in a thermal beam of strontium atoms using simultaneous measurements of Rydberg EIT and spontaneously created ions or electrons. We present a Doppler-averaged optical Bloch equation model that r... Read More about Probing interactions of thermal Sr Rydberg atoms using simultaneous optical and ion detection.

Contactless nonlinear optics mediated by long-range Rydberg interactions (2017)
Journal Article
Busche, H., Huillery, P., Ball, S. W., Ilieva, T., Jones, M. P., & Adams, C. S. (2017). Contactless nonlinear optics mediated by long-range Rydberg interactions. Nature Physics, 13(7), 655-658. https://doi.org/10.1038/nphys4058

In conventional nonlinear optics, linear quantum optics1, 2, and cavity quantum electrodynamics3, 4 to create effective photon–photon interactions photons must have, at one time, interacted with matter inside a common medium. In contrast, in Rydberg... Read More about Contactless nonlinear optics mediated by long-range Rydberg interactions.

Radiation trapping in a dense cold Rydberg gas (2017)
Journal Article
Sadler, D., Bridge, E., Boddy, D., Bounds, A., Keegan, N., Lochead, G., …Olmos, B. (2017). Radiation trapping in a dense cold Rydberg gas. Physical Review A, 95(1), Article 013839. https://doi.org/10.1103/physreva.95.013839

Cold atomic gases resonantly excited to Rydberg states can exhibit strong optical nonlinearity at the single-photon level. We observe that in such samples radiation trapping leads to an additional mechanism for Rydberg excitation. Conversely we demon... Read More about Radiation trapping in a dense cold Rydberg gas.

Difference-frequency combs in cold atom physics (2016)
Journal Article
Kliese, R., Hoghooghi, N., Puppe, T., Rohde, F., Sell, A., Zach, A., …Jones, M. (2016). Difference-frequency combs in cold atom physics. European Physical Journal - Special Topics, 225(15), 2775-2784. https://doi.org/10.1140/epjst/e2016-60092-0

Optical frequency combs provide the clockwork to relate optical frequencies to radio frequencies. Hence, combs allow optical frequencies to be measured with respect to a radio frequency where the accuracy is limited only by the reference signal. In o... Read More about Difference-frequency combs in cold atom physics.

Tunable cw UV laser with <35 kHz absolute frequency instability for precision spectroscopy of Sr Rydberg states (2016)
Journal Article
Bridge, E., Keegan, N., Bounds, A., Boddy, D., Sadler, D., & Jones, M. (2016). Tunable cw UV laser with

We present a solid-state laser system that generates over 200 mW of continuous-wave, narrowband light, tunable from 316.3 nm – 317.7 nm and 318.0 nm – 319.3 nm. The laser is based on commercially available fiber amplifiers and optical frequency doubl... Read More about Tunable cw UV laser with <35 kHz absolute frequency instability for precision spectroscopy of Sr Rydberg states.