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EPFL

École Polytechnique Fédérale de Lausanne
Country: Switzerland
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1,000 Projects, page 1 of 200
  • Funder: EC Project Code: 629649
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  • Funder: EC Project Code: 899775
    Funder Contribution: 150,000 EUR

    EXCITE aims to deliver a key, scalable, industrial manufacturing process that will enable the production of excitonic devices for a wide range of applications. Our innovation can create a new market represented by excitonic devices using 2D materials as energy-efficient interconnects. The demonstration of room-temperature control could open the way to industrial applications of the excitonic device concept, with an excitonic switch and optical modulator being the first types of devices that could be implemented.

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  • Funder: EC Project Code: 898594
    Overall Budget: 203,149 EURFunder Contribution: 203,149 EUR

    Modern information and communication technology has been propelling the rapid expansion of signal spectrum bandwidth towards the level of hundreds of GHz and even 1 Terahertz. Such wideband analog signals produced in physical world must be converted to a stream of data bits via analog-to-digital conversion (ADC), for ultra-fast and flexible digital signal processing (DSP). However, the random electron fluctuations in semiconductors set a fundamental limitation on the performance of electronic (ADCs), leading to an inherent trade-off between the sampling accuracy and bandwidth. State-of-the-art electronic ADCs typically have only GHz-level analog bandwidth, which is becoming an increasingly severe limitation on high-speed DSP applications. Although the adoption of mode-locked lasers (MLLs) can overcome some limitations using the ultra-stable pulse train for precise time-domain sampling, the GHz-level repetition rate and the challenging integration of MLLs prevents any usability of photonics-assisted ADC in practical applications. In the CompADC project, I propose to develop a radically-new photonic ADC scheme using chip-scale dual optical frequency combs, enabling real-time digitization of ultra-wideband RF and microwave signals with a bandwidth of > 100 GHz. This envisaged performance is enabled by the emerging dissipative Kerr soliton (DKS) microcombs generated in SiN microresonators, which produces a new type of on-chip mode-locked emission of optical pulses with repetition rates exceeding 100 GH. These phase-locked dual microcombs (signal comb and local oscillator comb) will perform precise frequency-domain decomposition and parallel frequency down-conversion of ultra-wideband microwave signals to the detectable range of lower-speed electronics. This CompADC approach has the clear potential to offer unparalleled performance and chip-scale integration for modern ultra-wideband signal processing and communication applications.

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  • Funder: EC Project Code: 309064
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  • Funder: EC Project Code: 842349
    Overall Budget: 150,000 EURFunder Contribution: 150,000 EUR

    Smart fabrics remain a promising market opportunity, however one that has not lived up to its potential yet. One of the key issues with current smart fabrics lies in the production methods and the strategy to impart functionalities. These rely on the integration of meshes of rigid electronics, or arrays of conductive yarns on soft mats or tissues. This heavily affects the fabrication and connection, costs, robustness and user’s experience of current smart fabrics. The SENFLEX project proposes a disruptive solution where the functionalities of smart fabrics come from fibers themselves. During his ERC Starting grant project "FLOWTONICS", the PI demonstrated that some thermoplastic elastomers could be co-drawn with other materials such as liquid metals, polymer nanocomposites or optical materials, into long functional fibers. He and his team could in particular develop truly smart and flexible fibers called SenFlex, that can be elastically deformed and sense the imposed mechanical constraints in unprecedented ways. SenFlex fibers are simple to fabricate at large scale and can be integrated in a variety of fabrics. They can also be imparted with novel robust and truly distributed sensing designs that require little electrical connections and exhibit low power consumption, paving the way towards smart fabrics with advanced functionalities at drastically reduced costs. In the SENFLEX project, we will assess the commercial feasibility of SenFlex fibers that have the potential to disrupt the € 5 billion smart fabrics market. We will investigate the market and scalability of our technology for several key applications. Our final deliverables are large-scale prototypes with proven industrial scalability and a business plan that describes our go-to-market strategy, business potential and product development approach. The prototypes and business plan will be used to convince strategic partners and investors for the next step towards commercialization.

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