Objective
Optical Frequency Combs (OFCs), states of light with equally spaced and phase-locked frequencies, revolutionized metrology across a wide range of metrological applications. Current OFC sources are highly accurate but also bulky. Miniaturizing OFC sources to on-chip scale, small enough to be placed in your hand, will enable a second revolution with applications such as distributed pollution tracking, medical detection equipment, compact LIDARs and dense communication channels (DWDM). OFC devices supporting these applications require:
(a) in-situ control over the spectrum with power management of ~90% for every spectral line
(b) bandwidth of 10-15THz
(c) power per line of ~3mW while maintaining wall plug efficiency of >20%
In LIQUIDLAT I will develop on-chip OFC devices with (a)-(c), by taking a new approach and leveraging on the recently demonstrated, by me and coauthors, quantum walk comb: generate monolithic lasers with fast gain recovery and apply photonic lattice schemes, both in real and frequency spaces through inter-device coupling and modulation, for controllable, broadband and powerful OFCs.
This method is general and can be implemented in other wavelengths.
Unlike current on-chip OFC approaches, typically producing pulses, I will use the following elements:
(1) fast gain recovery that forces quasi constant intensity and grants the light liquid properties, stabilizing on broadband and stable states
(2) direct control over OFC expansion via modulation by radio-frequency sources
(3) use topological photonic lattice schemes, both in real and frequency domains, to lock coherently many OFCs to a single powerful output.
The study of liquid light dynamics in photonic lattices challenges our understanding of nonlinear dynamics and interaction in semiconductors. The outcome is the development of tools for broadband power-efficient OFC devices that support applications in environmental tracking or efficient data links that reduce the datacentre footprint.
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.
- engineering and technology materials engineering amorphous solids amorphous semiconductors
- engineering and technology electrical engineering, electronic engineering, information engineering information engineering telecommunications radio technology radio frequency
- social sciences political sciences political transitions revolutions
- natural sciences earth and related environmental sciences environmental sciences pollution
- natural sciences physical sciences optics laser physics
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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.1.1 - European Research Council (ERC)
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Topic(s)
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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-ERC - HORIZON ERC Grants
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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-2025-STG
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8092 Zuerich
Switzerland
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