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Single-photon interference due to motion in an atomic collective excitation
Daniel J. Whiting, Nikola Sibalic, James Keaveney +2
We experimentally demonstrate the generation of heralded bi-chromatic single photons from an atomic collective spin excitation (CSE). The photon arrival times display collective qu…
A single-mode external cavity diode laser using an intra-cavity atomic Faraday filter with short-term linewidth kHz and long-term stability of MHz
James Keaveney, William J Hamlyn, Charles S Adams +1
We report on the development of a diode laser system - the `Faraday laser' - using an atomic Faraday filter as the frequency-selective element. In contrast to typical external-cavi…
Direct measurement of excited-state dipole matrix elements using electromagnetically induced transparency in the hyperfine Paschen-Back regime
Daniel J Whiting, James Keaveney, Charles S Adams +1
Applying large magnetic fields to gain access to the hyperfine Paschen-Back regime can isolate three-level systems in a hot alkali metal vapors, thereby simplifying usually complex…