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The full structuration of light in the transverse plane, including intensity,phase and polarization, holds the promise of unprecedented capabilities forapplications in classical optics as well as in quantum optics and informationsciences. Harnessing special topologies can lead to enhanced focusing, datamultiplexing or advanced sensing and metrology. Here we experimentallydemonstrate the storage of such spatio-polarization-patterned beams into anoptical memory. A set of vectorial vortex modes is generated via liquid crystalcell with topological charge in the optic axis distribution, and preservationof the phase and polarization singularities is demonstrated after retrieval, atthe single-photon level. The realized multiple-degree-of-freedom memory canfind applications in classical data processing but also in quantum networkscenarios where structured states have been shown to provide promisingattributes, such as rotational invariance.

Storage and retrieval of vector beams of light in a multiple-degree-of-freedom quantum memory