Interfacing interacting Rydberg polaritons From few to many body interactions
Rydberg quantum optics (RQO) is a very promising approach to achieve effective interactions at the level of individual photons. It maps the strong interactions between ultracold Rydberg atoms onto light fields to create strongly i...
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Información proyecto InterPol
Duración del proyecto: 24 meses
Fecha Inicio: 2019-03-21
Fecha Fin: 2021-03-31
Líder del proyecto
SYDDANSK UNIVERSITET
No se ha especificado una descripción o un objeto social para esta compañía.
TRL
4-5
Presupuesto del proyecto
207K€
Fecha límite de participación
Sin fecha límite de participación.
Descripción del proyecto
Rydberg quantum optics (RQO) is a very promising approach to achieve effective interactions at the level of individual photons. It maps the strong interactions between ultracold Rydberg atoms onto light fields to create strongly interacting Rydberg polaritons. RQO enables single photon generation, exotic photon bound states, and effective interactions between spatially separated photons. Based on RQO, various quantum optical devices can be implemented, e.g. a deterministic gate for optical quantum information processing. Experiments to date have mostly used 1D interaction geometries and not yet investigated interactions between more than 2 or 3 polaritons or in a quantum network of interaction nodes. InterPol will implement controlled interactions between multiple Rydberg polaritons based on two complementary approaches. One will cascade multiple devices such as single-photon transistors and subtractors to implement multi-polariton logic circuits and demonstrate a network that coherently interfaces entangled Rydberg excitations with photons for quantum state transfer. The second will use adaptive optics to realize a novel, highly flexible platform to study simultaneous interactions between multiple polaritons in arbitrary spatial geometries to study the transition regime from few- to many-body interactions. This has fundamental impact beyond quantum optics as it will allow highly controlled experimental tests of many-body interactions and non-perturbative effects in quantum field theories with quasi-particles in a tabletop setting. Collaborating with leading theorists to experimentally benchmark field-theoretical descriptions, the applicant will further deepen his theoretical understanding of RQO to complement his excellent experimental skills. In charge of a comprehensive research action, he will enhance his independence and possess the skill set required to develop and conduct innovative quantum optics experiments as an independent researcher at its end.