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PhOtonics QUantum Bernoulli Factory

Project description

Harnessing quantum randomness

Randomness is key to quantum computing and cryptography. The ERC-funded POQUB project focuses on advancing a technology called the Quantum-to-Quantum Bernoulli Factory, which transforms one quantum random input into another with a precisely controlled bias. Using reconfigurable photonic circuits, POQUB aims to develop a flexible, low-cost implementation of this primitive. Beyond fundamental research, the project will explore practical applications, especially in blind quantum computing. The project’s goal is to unlock faster, more versatile quantum algorithms and accelerate the integration of quantum technologies into real-world systems.

Objective

A Bernoulli factory is a randomness manipulation routine that takes as input a Bernoulli random variable and provides as output another Bernoulli variable whose bias is a function of the input bias. Recently proposed Quantum-to-Quantum Bernoulli Factory schemes encode both input and output variables in qubit amplitudes. This primitive could be used as a key ingredient for quantum networking at the interface of quantum computing and cryptography, as well as a subroutine for more complex quantum algorithms thus extending current approaches of randomness generation and manipulation. An open challenge is to design an approach for the implementation of a general and “low-cost” Quantum-to-Quantum Bernoulli Factory. Via a photonics technological platform, the goal of POQUB is 1) to develop a general scheme of Quantum-to-Quantum Bernoulli Factory; 2) to identify relevant use cases within blind quantum computing, via interaction with industries; 3) to design a roadmap for the innovation technological transfer of all the PoC outcomes. As a technological platform, POQUB will exploit reconfigurable photonic circuits which represent a compact, stable and scalable solution due to its natural potential for unlocking versatile and high-speed applications. The developed scheme is expected to have relevant applications also in several other scenarios for quantum technologies.

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-ERC-POC - HORIZON ERC Proof of Concept Grants

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Call for proposal

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(opens in new window) ERC-2024-POC

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Host institution

UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 120 000,00
Address
Piazzale Aldo Moro 5
00185 Roma
Italy

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Region
Centro (IT) Lazio Roma
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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Beneficiaries (2)

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