Project description
Characterising decoherence dynamics with unprecedented temporal resolution
Quantum coherence, the ability of quantum systems to maintain a stable relationship between different quantum states, is essential for quantum computing. Decoherence – losing this property – results in a statistical ensemble of states rather than a coherent combination of pure ones, moving from the quantum mechanics realm to the classical one. Advancing quantum computing will require understanding decoherence dynamics via unprecedented temporal resolution beyond T2, a decay constant called ‘dephasing time’ related to a shift in the phase of a qubit. The ERC-funded UltraSpecT project aims to make this possible leveraging electron wave packet shaping with light, 3D electron-driven photon sources, and correlative measurements in solid-state-based photonic systems and quantum networks.
Objective
Based on my groundbreaking advancements in realizing internal radiation sources inside electron microscopes, generating ultrashort and coherent electromagnetic radiations in interaction with electron beams, I propose to develop a platform for ultrafast and phase-locked electron-beam spectroscopy of solid-state-based quantum networks, beyond the dephasing time T2. My platform relies on the following key elements: (i) shaping electron wavepackets with light, (ii) implementing three-dimensional electron-driven photon sources, and (iii) employing correlative measurements to unravel the quantum statistics of photons evolving in solid-state-based photonic systems and quantum networks. This scenario enables an outstanding temporal resolution and an unprecedented degree of mutual coherence between the radiation sources and the near-field of the electron wavepacket itself. By combining these capabilities, I aim to map the excitation/emission paths, quasi-particle interactions, charge and energy transfer dynamics, as well as quantum jump and revival processes at the attosecond timescale and nanometer spatial resolution.
UltraSpecT opens new horizons in quantum-sensitive measurements, leveraging novel technological advancements in electron microscopes to explore the frontiers of quantum science. It aims to investigate decoherence dynamics beyond T2 using electron microscopes, enabling the exploration and manipulation of photon dynamics in individual single-photon emitters coupled to or embedded in quantum networks. UltraSpecT's ambitious goals span a highly interdisciplinary field, combining quantum optics with electron microscopy. My team and I will address the ambitious aspects of UltraSpecT by applying our extensive knowledge in both theoretical and experimental aspects of electron – light – matter interactions. I will further implement a risk mitigation plan that includes employing a variety of methods to realize our required radiation sources and beam shaping strategies.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences physical sciences condensed matter physics quasiparticles
- natural sciences physical sciences optics microscopy
- natural sciences physical sciences theoretical physics particle physics photons
- natural sciences physical sciences optics spectroscopy
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.1 - European Research Council (ERC)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2024-COG
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24118 Kiel
Germany
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