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physics.atom-ph2019
In-situ Raman gain between hyperfine ground states in a potassium magneto-optical trap
Graeme Harvie, Adam Butcher, Jon Goldwin
We study optical gain in a gas of cold 39K atoms. The gain is observed during operation of a conventional magneto-optical trap without the need for additional fields. Measurements…
physics.atom-ph2018
Directional bistability and nonreciprocal lasing with cold atoms in a ring cavity
Balazs Megyeri, Graeme Harvie, Andreas Lampis +1
We demonstrate lasing into counter-propagating modes of a ring cavity using a gas of cold atoms as a gain medium. The laser operates under the usual conditions of magneto-optical t…