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DIRAQUM

Financiado

Dirac Photonic Metamaterial for Quantum Light Sources

Technology in photonic quantum information processing and quantum computing is advancing rapidly, requiring more efficient and precise control of the generation of quantum states of light. Over the past decade, semiconductor quant... ver más

30/04/2026

UNI WUERZBURG

174K€

Presupuesto del proyecto: 174K€

Líder del proyecto

JULIUSMAXIMILIANSUNIVERSITAT WURZBURG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-04-22

HORIZON-MSCA-2023-PF-01-01: MSCA Postdoctoral Fellowships 2023 ExpectedOutcome:Project results are expected to contribute to the following outcomes:

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

1 Participantes

UNI WUERZBURG

173.85K€ | Lider

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Duración del proyecto: 24 meses Fecha Inicio: 2024-04-22
Fecha Fin: 2026-04-30

Líder del proyecto

JULIUSMAXIMILIANSUNIVERSITAT WURZBURG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 174K€

Descripción del proyecto Technology in photonic quantum information processing and quantum computing is advancing rapidly, requiring more efficient and precise control of the generation of quantum states of light. Over the past decade, semiconductor quantum dots (QDs) have emerged as near-perfect photon sources with unprecedented photon emission rates compared to other technologies. However, two key factors, photon indistinguishability and extraction efficiency, are critical for practical applications such as multiphoton interferometric experiments, quantum computing and boson sampling. Achieving both high photon indistinguishability and extraction efficiency from any quantum light source is challenging due to inherent trade-offs between precise control of photon properties and efficient collection, as well as technical and material limitations. Various photonic structures (such as cavities and metamaterials) have been used to improve the extraction efficiency of the emitters, but they often introduce complexities that adversely affect photon indistinguishability. Imperfections such as etched surfaces around QDs can lead to unwanted effects like an unstable charge environment due to exposed crystal bonds and surface interactions, ultimately degrading photon indistinguishability. To address these issues and improve performance, a promising alternative approach is to integrate quantum dots with Dirac photonic metamaterials. Within these metamaterials, topological states can emerge as protected edge states, which are known to be resilient to disorder and imperfections. Furthermore, Dirac photonic metamaterials lead to enhanced light-matter interactions, allowing a dramatic increase in spontaneous emission and the manipulation of chiral photon modes. The overall aim of this project is to combine quantum dots (InGaAs) with Dirac photonic metamaterials to achieve specific goals, including high photon indistinguishability, efficient photon extraction and tailored single-photon emission.

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