Our results on multi-photon subtraction using a 1D chain of cascaded Rydberg superatoms as single-photon absorbers have been published in Nature Communications. The work was carried out in collaboration with Kevin Kleinbeck, Jan Kumlin, and Hans Peter Büchler from the University of Stuttgart.
Find out more at: Stiesdal et al. Nat. Commun. 12, 4328 (2021).
And be quick if you want to read it before your office mate!