Outputs (4)

ElecSus: A program to calculate the electric susceptibility of an atomic ensemble (2014)
Journal Article
Zentile, M., Keaveney, J., Weller, L., Whiting, D., Adams, C., & Hughes, I. (2015). ElecSus: A program to calculate the electric susceptibility of an atomic ensemble. Computer Physics Communications, 189, 162-174. https://doi.org/10.1016/j.cpc.2014.11.023

We present a computer program and underlying model to calculate the electric susceptibility of a gas, which is essential to predict its absorptive and dispersive properties. Our program focuses on alkali-metal vapours where we use a matrix representa... Read More about ElecSus: A program to calculate the electric susceptibility of an atomic ensemble.

Probing an Excited-State Atomic Transition Using Hyperfine Quantum Beat Spectroscopy (2014)
Journal Article
Wade, C., Sibalic, N., Keaveney, J., Adams, C., & Weatherill, K. (2014). Probing an Excited-State Atomic Transition Using Hyperfine Quantum Beat Spectroscopy. Physical Review A, 90, Article 033424. https://doi.org/10.1103/physreva.90.033424

We describe a method to observe the dynamics of an excited-state transition in a room-temperature atomic vapor using hyperfine quantum beats. Our experiment using cesium atoms consists of a pulsed excitation of the D2 transition and continuous-wave d... Read More about Probing an Excited-State Atomic Transition Using Hyperfine Quantum Beat Spectroscopy.

Optical Response of Gas-Phase Atoms at Less than λ/80 from a Dielectric Surface (2014)
Journal Article
Whittaker, K., Keaveney, J., Hughes, I., Sargsyan, A., Sarkisyan, D., & Adams, C. (2014). Optical Response of Gas-Phase Atoms at Less than λ/80 from a Dielectric Surface. Physical Review Letters, 112, Article 253201. https://doi.org/10.1103/physrevlett.112.253201

We present experimental observations of atom-light interactions within tens of nanometers (down to 11 nm) of a sapphire surface. Using photon counting we detect the fluorescence from of order one thousand Rb or Cs atoms, confined in a vapor with thic... Read More about Optical Response of Gas-Phase Atoms at Less than λ/80 from a Dielectric Surface.

Active narrowband filtering, line narrowing and gain using ladder electromagnetically induced transparency in an optically thick atomic vapour (2014)
Journal Article
Keaveney, J., Sargsyan, A., Sarkisyan, D., Papoyan, A., & Adams, C. (2014). Active narrowband filtering, line narrowing and gain using ladder electromagnetically induced transparency in an optically thick atomic vapour. Journal of Physics B: Atomic, Molecular and Optical Physics, 47(7), https://doi.org/10.1088/0953-4075/47/7/075002

Electromagnetically induced transparency (EIT) resonances using the 5S1/2 → 5P3/2 → 5D5/2 ladder-system in optically thick Rb atomic vapour are studied. We observe a strong line narrowing effect and gain at the 5S1/2 → 5P3/2 transition wavelength due... Read More about Active narrowband filtering, line narrowing and gain using ladder electromagnetically induced transparency in an optically thick atomic vapour.