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Quantum Rydberg Antenna Systems

Objective

Rydberg atoms have emerged as a key platform for quantum technologies. The defining property shared by Rydberg states across many atomic species and platforms is the extremely large dipole moment associated with transitions between two Rydberg states. These transitions enable the exchange of quanta, forming the basis for the design of quantum gates. At the same time, they can be leveraged to detect external radiation with high sensitivity over a broad frequency range, from hundreds of MHz to several THz.

Atomic sensors of electromagnetic waves based on Rydberg atoms are a new platform for quantum sensing, with potential applications ranging from ultrasensitive measurements for dark matter detection and fundamental radiometry to applications in space research, industry, passive radar, and modern 5G communication systems and beyond. For many of these promising applications, however, the performance of currently available Rydberg sensors operated in their most trivial configurations has proven insufficient.

In this project, we will explore novel operational regimes of Rydberg atomic sensors. Our primary goal is to understand the fundamental limitations of these systems and to leverage this knowledge to design-specific sensing protocols optimised for engineering applications. We aim to identify which protocols and architectures are best suited for highly sensitive radiometric temperature measurements and for the reception of quadrature-modulated signals. We plan to exploit both hot-vapour and cold-atom systems, facilitating correspondence between practical room-temperature devices and cold-atom platforms that allow for fundamental control. This exploratory research will enable us to identify operational schemes that render Rydberg-atomic systems disruptive not only in physics research but also in microwave and millimetre-wave technology, addressing the fundamental technological challenge of achieving the ultimate limits in electromagnetic measurements.

Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) ERC-2026-STG

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Host institution

UNIWERSYTET WARSZAWSKI
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.

€ 2 000 000,00
Address
KRAKOWSKIE PRZEDMIESCIE 26/28
00-927 Warszawa
Poland

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Region
Makroregion województwo mazowieckie Warszawski stołeczny Miasto Warszawa
Activity type
Higher or Secondary Education Establishments
Links
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.

€ 2 000 000,00

Beneficiaries (1)