Alexander Guttridge's Outputs (9)

Ultralong-range Cs-RbCs Rydberg molecules: Nonadiabaticity of dipole moments (2024)
Journal Article
Mellado-Alcedo, D., Guttridge, A., Cornish, S. L., Sadeghpour, H. R., & González-Férez, R. (2024). Ultralong-range Cs-RbCs Rydberg molecules: Nonadiabaticity of dipole moments. Physical Review A, 110(1), Article 013314. https://doi.org/10.1103/physreva.110.013314

We consider ultralong-range polyatomic Rydberg molecules formed by combining a Rydberg cesium atom and a ground-state RbCs molecule. We explore the regime where the charge-dipole interaction due to the Rydberg electron with the diatomic polar molecul... Read More about Ultralong-range Cs-RbCs Rydberg molecules: Nonadiabaticity of dipole moments.

Enhanced Quantum Control of Individual Ultracold Molecules Using Optical Tweezer Arrays (2024)
Journal Article
Ruttley, D. K., Guttridge, A., Hepworth, T. R., & Cornish, S. L. (2024). Enhanced Quantum Control of Individual Ultracold Molecules Using Optical Tweezer Arrays. PRX Quantum, 5(2), Article 020333. https://doi.org/10.1103/prxquantum.5.020333

Control over the quantum states of individual molecules is crucial in the quest to harness their rich internal structure and dipolar interactions for applications in quantum science. In this paper, we develop a toolbox of techniques for the control a... Read More about Enhanced Quantum Control of Individual Ultracold Molecules Using Optical Tweezer Arrays.

Observation of Rydberg blockade due to the charge-dipole interaction between an atom and a polar molecule (2023)
Journal Article
Guttridge, A., Ruttley, D., Baldock, A., González-Férez, R., Sadeghpour, H., Adams, C., & Cornish, S. (2023). Observation of Rydberg blockade due to the charge-dipole interaction between an atom and a polar molecule. Physical Review Letters, 131(1), Article 013401. https://doi.org/10.1103/PhysRevLett.131.013401

We demonstrate Rydberg blockade due to the charge-dipole interaction between a single Rb atom and a single RbCs molecule confined in optical tweezers. The molecule is formed by magnetoassociation of a Rb+Cs atom pair and subsequently transferred to t... Read More about Observation of Rydberg blockade due to the charge-dipole interaction between an atom and a polar molecule.

Formation of Ultracold Molecules by Merging Optical Tweezers (2023)
Journal Article
Ruttley, D. K., Guttridge, A., Spence, S., Bird, R. C., Le Sueur, C. R., Hutson, J. M., & Cornish, S. L. (2023). Formation of Ultracold Molecules by Merging Optical Tweezers. Physical Review Letters, 130(22), https://doi.org/10.1103/physrevlett.130.223401

We demonstrate the formation of a single RbCs molecule during the merging of two optical tweezers, one containing a single Rb atom and the other a single Cs atom. Both atoms are initially predominantly in the motional ground states of their respectiv... Read More about Formation of Ultracold Molecules by Merging Optical Tweezers.

Observation of magnetic Feshbach resonances between Cs and 173Yb (2022)
Journal Article
Franzen, T., Guttridge, A., Wilson, K. E., Segal, J., Frye, M. D., Hutson, J. M., & Cornish, S. L. (2022). Observation of magnetic Feshbach resonances between Cs and 173Yb. Physical Review Research, 4(4), Article 043072. https://doi.org/10.1103/physrevresearch.4.043072

We report the observation of magnetic Feshbach resonances between 173 Yb and 133 Cs . In a mixture of Cs atoms prepared in the ( f = 3 , m f = 3 ) state and unpolarized fermionic 173 Yb , we observe resonant atom loss due to two sets of magnetic Fesh... Read More about Observation of magnetic Feshbach resonances between Cs and 173Yb.

Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezer (2022)
Journal Article
Spence, S., Brooks, R., Ruttley, D., Guttridge, A., & Cornish, S. (2022). Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezer. New Journal of Physics, 24, https://doi.org/10.1088/1367-2630/ac95b9

We report simultaneous Raman sideband cooling of a single 87Rb atom and a single 133Cs atom held in separate optical tweezers at 814 nm and 938 nm, respectively. Starting from outside the Lamb-Dicke regime, after 45 ms of cooling we measure probabili... Read More about Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezer.

Dynamics of a degenerate Cs-Yb mixture with attractive interspecies interactions (2021)
Journal Article
Wilson, K., Guttridge, A., Liu, I.-K., Segal, J., Billam, T., Parker, N., Proukakis, N., & Cornish, S. (2021). Dynamics of a degenerate Cs-Yb mixture with attractive interspecies interactions. Physical Review Research, 3(3), Article 033096. https://doi.org/10.1103/physrevresearch.3.033096

We probe the collective dynamics of a quantum degenerate Bose-Bose mixture of 133Cs and 174Yb with attractive interspecies interactions. Specifically, we excite vertical center-of-mass oscillations of the Cs condensate. We observe significant damping... Read More about Dynamics of a degenerate Cs-Yb mixture with attractive interspecies interactions.

Two-photon photoassociation spectroscopy of CsYb: Ground-state interaction potential and interspecies scattering lengths (2018)
Journal Article
Guttridge, A., Frye, M. D., Yang, B., Hutson, J. M., & Cornish, S. L. (2018). Two-photon photoassociation spectroscopy of CsYb: Ground-state interaction potential and interspecies scattering lengths. Physical Review A, 98(2), Article 022707. https://doi.org/10.1103/physreva.98.022707

We perform two-photon photoassociation spectroscopy of the heteronuclear CsYb molecule to measure the binding energies of near-threshold vibrational levels of the X 2+ 1/2 molecular ground state. We report results for 133Cs170Yb, 133Cs173Yb, and 133C... Read More about Two-photon photoassociation spectroscopy of CsYb: Ground-state interaction potential and interspecies scattering lengths.

Production of ultracold Cs*Yb molecules by photoassociation (2018)
Journal Article
Guttridge, A., Hopkins, S. A., Frye, M. D., McFerran, J. J., Hutson, J. M., & Cornish, S. L. (2018). Production of ultracold Cs*Yb molecules by photoassociation. Physical Review A, 97(6), Article 063414. https://doi.org/10.1103/physreva.97.063414

We report the production of ultracold heteronuclear Cs∗ Yb molecules through one-photon photoassociation applied to an ultracold atomic mixture of Cs and Yb confined in an optical dipole trap. We use trap-loss spectroscopy to detect molecular states... Read More about Production of ultracold Cs*Yb molecules by photoassociation.