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Bulletin of the American Physical Society

Progress Towards a Magneto-Optical Trap of Polyatomic Molecules

Nathaniel B. Vilas, Louis Baum, Christian Hallas, Debayan Mitra, John M. Doyle

Published May 30, 2019• 0 citations
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We report magneto-optical trapping (MOT) of a polyatomic molecule, calcium monohydroxide (CaOH). The MOT contains 2.0(5)×1042.0(5)\times 10^42.0(5)×104 CaOH molecules at a peak density of 3.0(8)×1063.0(8)\times10^{6}3.0(8)×106 cm−3^{-3}−3. CaOH molecules are further sub-Doppler laser cooled in an optical molasses, to a temperature of 110(4) μμμK. The temperatures and densities achieved here make CaOH a viable candidate for a wide variety of quantum science applications, including the creation of optical tweezer arrays of CaOH molecules. This work also suggests that laser cooling and magneto-optical trapping of many other polyatomic species will be both feasible and practical.