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Q: Fachverband Quantenoptik und Photonik

Q 70: Quantum Optics and Control II

Q 70.7: Talk

Friday, March 6, 2026, 12:45–13:00, P 3

Storing images in hot atomic vapors — •Denis Uhland and Ilja Gerhardt — light & matter group, Institute for Solid State Physics, Leibniz University Hannover

The ability to reliably store and retrieve photons lies at the heart of emerging quantum technologies. A suitable medium for the storage and retrieval of photons are hot atomic vapors, which offer a possible way for room-temperature optical quantum memories. Previous works have demonstrated the storage and retrieval on the single photon level [1] and of images from a laser illuminated mask [2] in hot atomic vapors via electromagnetically induces transparency (EIT). Here, we show coherently storage and retrieval of two-dimensional images by exploiting the memory capabilities of the hot atomic vapor. Such image-preserving quantum memories overcome the idealized single-modal treatment of a collective excitation in an atomic ensemble. This combines the quantum storage of light with the unique sensing properties of a hot atomic vapor cell.

[1] L. Esguerra et al., Phys. Rev. A (2023) 107, 042607 [2] M. Shuker et al., Phys. Rev. Lett. 100, 223601

Keywords: hot atomic vapors; quantum memory; imaging