Project description
Improved single photon sources point to real-world quantum applications
Quantum information revolutionises the way we exchange and process data. Single photon sources (SPSs) play a key role as the building blocks of quantum systems but current setups are bulky and inefficient, limiting their practical use. With the support of the Marie Skłodowska-Curie Actions programme, the SPEEDBUMPS project will help overcome these challenges by developing advanced plasmonic-enhanced tapered optical nanofibres. These nanofibres will integrate SPSs, enabling efficient photon generation and collection in a compact, ready-to-use design. To boost efficiency, researchers will add optical cavities and nanostructures to redirect and optimise light flow. Project results could advance quantum technologies, paving the way for real-world applications in quantum optics.
Objective
Quantum information represents a paradigm-shift in the way we exchange information, with the EU and the US investing substantial economic resources on basic research and technological developments. Propelled by these efforts, the research community intensely worked on physical sources of quantum bits, qubits, the quantum information basic units. In particular, Single Photon Sources (SPS) offer the perspective of modular quantum information circuitry elements. In this framework, transition from fundamental research to technology is a necessary step towards their use in a broader and application-oriented use.
SPEEDBUMPS will develop plasmonic-enhanced tapered optical nanofibers (ONF), a highly reliable SPS generation and collection system exploiting on-waveguide localized plasmon surface resonances to generate periodic flows of single photons on a ready-for-integration waveguide with enhanced optical properties.
To do this it will pursue three main objectives to surpass the current state-of-art of fiber-based SPS:
1. Exploiting SPS typically requires bulky optical setups, limiting the translation in applicative frameworks where no strong expertise in optical systems is required. SPEEDBUMPS will demonstrate the integration of SPS with other optical systems, coupling them with the strong evanescent field confined at the surface of a ONF.
2. SPS-ONF coupling alone fails at obtaining collection efficiencies higher than the 10% of the photons emitted by the SPS. To increase the system efficiency SPEEDBUMPS will realize an optical cavity deterministically fabricated on the ONF with unconventional nanofabrication approaches.
3. To further increase the efficiency, in SPEEDBUMPS the isotropic radiation field will be modified through complex nanostructuring of the ONF to realize field-redirecting elements.
Due to the ONFs nature (suspended, dielectric, curved, nanometric) these results will be unprecedented, paving the way to novel applications in the field of quantum optics.
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
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering computer hardware quantum computers
- natural sciences physical sciences optics
- natural sciences physical sciences quantum physics quantum optics
- natural sciences physical sciences theoretical physics particle physics photons
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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.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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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.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2022-PF-01
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75006 Paris
France
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