Abstract

Method of ro-vibrational cooling of Cd and Yb molecules occupying initially their excited ro-vibrational levels in the ground electronic state is proposed. The method employs the and electronic transitions in Cd and Yb, respectively. The cooling relies on a successive decrease of population of the ground-state vibrational and rotational levels using a series of laser-induced excitations from a selected ground-state (, ) to the excited-state (, ) ro-vibrational levels, followed by spontaneous de-excitations to the ground state. The proposal is an extension of the vibrational cooling method recently proposed by Urbańczyk et al. [Mol. Phys. 116, 3475–3486 (2018)].

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