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5 papers · 2 filters
Cavity-enhanced non-destructive detection of atoms for an optical lattice clock
Richard Hobson, William Bowden, Alvise Vianello +2
We demonstrate a new method of cavity-enhanced non-destructive detection of atoms for a strontium optical lattice clock. The detection scheme is shown to be linear in atom number u…
A new experiment to test parity symmetry in cold chiral molecules using vibrational spectroscopy
A Cournol, M. Manceau, M. Pierens +21
We present a brief review of our progress towards measuring parity violation in heavy-metal chiral complexes using mid-infrared Ramsey interferometry. We discuss our progress addre…
Generation of atomic spin orientation with a linearly polarised beam in room-temperature alkali-metal vapour
Patrick Bevington, Rafal Gartman, Witold Chalupczak
Traditionally, atomic spin orientation is achieved by the transfer of angular momentum from polarised light to an atomic system. We demonstrate the mechanism of orientation generat…
Linear and non-linear coherent coupling in a Bell-Bloom magnetometer
R. Gartman, V. Guarrera, G. Bevilacqua +1
Spin-exchange collisions in hot vapours are generally regarded as a decoherence mechanism. In contrast, we show that linear and non-linear spin-exchange coupling can lead to the ge…
Parametric amplification and noise-squeezing in room temperature atomic vapours
V. Guarrera, R. Gartman, G. Bevilacqua +2
We report on the use of parametric excitation to coherently manipulate the collective spin state of an atomic vapour at room temperature. Signatures of the parametric excitation ar…