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QuantumNet

Financiado

A Scalable Quantum Network based on Individual Erbium Ions

A future quantum network will consist of quantum processors that are connected by quantum channels, just like conventional computers are wired up to form the Internet. In contrast to classical devices, however, the entanglement an... ver más

29/02/2024

TUM

1M€

Presupuesto del proyecto: 1M€

Líder del proyecto

TECHNISCHE UNIVERSITAET MUENCHEN No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Ver 3 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2024-02-29

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

ERC-2017-STG: ERC Starting Grant

I+D

Cerrada hace 8 años

0% 100%

3 Participantes

TUM

0.00€ | Lider

LLERANDI SA

296.04K€ | Participante

MPG

1.48M€ | Participante

Últimas noticias

27-11-2024: Videojuegos y creaci... Se abre la línea de ayuda pública: Ayudas para la promoción del sector del videojuego, del pódcast y otras formas de creación digital

27-11-2024: DGIPYME En las últimas 48 horas el Organismo DGIPYME ha otorgado 1 concesiones

27-11-2024: FUNDACION-EOI En las últimas 48 horas el Organismo FUNDACION EOI ha otorgado 2 concesiones

Duración del proyecto: 76 meses Fecha Inicio: 2017-10-24
Fecha Fin: 2024-02-29

Líder del proyecto

TECHNISCHE UNIVERSITAET MUENCHEN

TRL 4-5

Presupuesto del proyecto 1M€

Descripción del proyecto A future quantum network will consist of quantum processors that are connected by quantum channels, just like conventional computers are wired up to form the Internet. In contrast to classical devices, however, the entanglement and non-local correlations available in a quantum-controlled system facilitate novel fundamental tests of quantum theory and numerous applications in distributed quantum information processing, quantum communication, and precision measurement. While pioneering experiments have demonstrated the entanglement of two quantum nodes separated by up to 1.3 km, accessing the full potential of quantum networks requires scaling of these prototypes to more nodes and larger distances. To this end, a new technology that overcomes the bottlenecks of existing physical systems has to be developed. Here, I propose to harness the exceptional properties of individual Erbium ions embedded in Yttrium crystals to increase the size of quantum networks via implementation of the seminal quantum repeater proposal, which is one of the most intensively pursued research topics in current quantum science. The key proposed steps to this goal are (I) implementation of a quantum spin-photon interface at a telecommunication wavelength, (II) multiplexing of many quantum bits in one device via frequency-selective addressing, and (III) implementation of remote entanglement swapping and purification to increase the range of quantum-secure communication beyond its current fundamental limit. These goals have been out of reach for any experimental platform until now. They become feasible by combining the powerful concepts developed in cavity quantum electrodynamics using cold atoms with the exceptional coherence of spins in specific host crystals. Successful implementation will demonstrate the feasibility of quantum networks over global distances, a milestone advancement for quantum communication and quantum science in general.

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