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UNITY

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A Single Photon Source Featuring Unity Efficiency And Unity Indistinguishability...

A Single Photon Source Featuring Unity Efficiency And Unity Indistinguishability For Scalable Optical Quantum Information Processing Within optical quantum information processing, the quantum bits are encoded on single photons and their quantum mechanical properties are exploited to build new functionality. A prime example is the quantum computer, which can be... ver más

31/08/2025

TECHNICAL UNIVERSI...

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

DANMARKS TEKNISKE UNIVERSITET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

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Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2019-12-20

ERC-2019-COG: ERC Consolidator Grant

I+D

Cerrada hace 6 años

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Este proyecto no cuenta con búsquedas de partenariado abiertas en este momento.

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No hay información privada compartida para este proyecto. Habla con el coordinador.

2 Participantes

TECHNICAL UNIVERSITY OF DENM...

2.12M€ | Lider

FRUVECO

444.51K€ | Participante

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Duración del proyecto: 68 meses Fecha Inicio: 2019-12-20
Fecha Fin: 2025-08-31

Líder del proyecto

DANMARKS TEKNISKE UNIVERSITET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 2M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Within optical quantum information processing, the quantum bits are encoded on single photons and their quantum mechanical properties are exploited to build new functionality. A prime example is the quantum computer, which can be built simply from single-photon sources and detectors, and simple optical components. However for scalable optical quantum computing involving hundreds of photons, the performance requirements for the single-photon source are daunting: the source must feature near-unity efficiency and near-unity indistinguishability simultaneously! Today, all known source designs suffer from inherent trade-offs between efficiency and indistinguishability and their performance is insufficient for scalable quantum computing. The project objective is to realize a source of single indistinguishable photons with performance of ground-breaking nature. The break-through lies in the simultaneous realization of near-unity efficiency and indistinguishability, a combination which overcomes the limitations of present state-of-the-art and ventures far into the regime of scalable quantum computing. As an expert in single-photon source engineering I find myself in a unique position to address this challenge. Since it is unknown how to design such a source, I will first establish a new understanding of the physics of the near-unity regime, where phonon-induced decoherence represents a main limitation for the indistinguishability. I will then advance state-of-the-art in optical engineering by proposing a novel design, where all physical parameters can be controlled independently. The modelling of the near-unity performance source is extremely demanding, and the analysis requires additional advances within optical simulations and open quantum systems theory. Once this is achieved, I will fabricate a prototype and test it in a multi-photon interference boson sampling experiment to unambiguously prove that scalable optical quantum information processing is indeed within reach.

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