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A nanophotonic molecular platform for multicolor quantum memories

Cel

Ultracold molecules are gaining increasing interest as a platform for quantum technologies and fundamental physics, including competitive tests of the Standard Model. Their rich internal structure promises a broad range of applications, and their long-lived internal states are ideal to store and process quantum information. At the same time, this same richness poses a central challenge: The dense manifold of states that enables their versatility also makes them difficult to control in practice.

Cold atoms, on the other hand, have reached technological maturity, underpinning many quantum technologies, currently being one of the leading platform for quantum memories. In this context, cold atoms face a fundamental limitation: their sparse optical lines create a spectral bottleneck that reduces interoperability with other quantum technologies, ultimately limiting the scalability of these platforms.

MoleQool introduces a new nanophotonic strategy to overcome these limitations. The core idea is to use, for the first time, a tapered optical fiber to engineer the electromagnetic environment of ultracold molecules. This compact device integrates a fiber-based optical lattice to form and chemically stabilize molecules and, when spliced into a tunable fiber-ring cavity, provides Purcell enhancement to selectively control the dense manifold of molecular decay channels. This architecture reduces the typical technological overhead of ultracold molecules by combining low laser requirements with flexible spectral control.

With this approach, I will establish a new compact platform for quantum-level state control of ultracold molecules, using Rb2 as a benchmark system. In proof-of-principle experiments, I will demonstrate a multicolor quantum memory, including quantum frequency conversion, of about 10 nm, highlighting the platform’s flexibility and scalability potential toward larger wavelength separations.

Dziedzina nauki (EuroSciVoc)

Projekt nie został jeszcze sklasyfikowany według klasyfikacji EuroSciVoc.
Wskaż dziedziny nauki, które twoim zdaniem są najbardziej istotne z punktu widzenia tego projektu i pomóż nam usprawnić naszą usługę klasyfikacji.

Program(-y)

Temat(-y)

System finansowania

HORIZON-ERC - HORIZON ERC Grants

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Zaproszenie do składania wniosków

(odnośnik otworzy się w nowym oknie) ERC-2026-STG

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Instytucja przyjmująca

CONSIGLIO NAZIONALE DELLE RICERCHE
Wkład UE netto
€ 1 070 950,00
Koszt całkowity
€ 1 070 950,00

Beneficjenci (3)