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No assumptions: just quantum advantage

INL researcher Michael de Oliveira, together with collaborators from the University of Cambridge and the Hon Hai (Foxconn) Quantum Computing Research Center, has published a new article in Nature Communications demonstrating that even small, noisy quantum circuits can outperform certain types of classical computation, without relying on assumptions or ideal conditions. This study focuses on constant-depth quantum circuits, meaning that all operations happen in parallel in a very short time – like multiple people completing a task simultaneously rather than one after another. The researchers show that these simple quantum circuits can solve specific problems that no classical circuit of the same kind and size can solve, even when those classical circuits are modelled after neural networks, with tuneable flexibility. The classical models studied here (biased threshold circuits) are used in theoretical models of machine learning and resemble basic neural networks. Despite the authors considering versions with low bias – and therefore greater versatility – they are still outperformed by shallow quantum circuits, even when the quantum devices are noisy or imperfect. What makes this breakthrough particularly important is that it applies to qudits (quantum systems that go beyond binary bits or qubits), and the results are valid across all […]

Advancing neuronal research using 3D polymeric micro-scaffolds integrated with quantum sensors

A recent research study from INL has successfully merged two cutting-edge 3D tissue engineering strategies – 3D polymeric scaffolds and 3D neuronal spheroids – to create a highly advanced model for studying neuronal behaviour and disease. The collaboration between biomedical engineers, physicists, and neuroscientists has led to the development of a smart polymeric scaffold integrated with fluorescent nanodiamonds, that reveals to be a powerful quantum sensing tool. These low auto-fluorescence scaffolds, fabricated using laser-based 3D microprinting, were designed to be both biocompatible and capable of hosting 3D neuronal spheroids. The fluorescent nanodiamonds embedded within the scaffolds provide the potential for real-time monitoring of magnetic signals and temperature shifts at the nanoscale, providing a new level of precision in studying cellular signalling, disease mechanisms, and drug responses. Beatriz Costa, the first author of this study, emphasises the significance of the work: “The use of low-autofluorescence 3D polymeric scaffolds enabled the integration of quantum metrology techniques with nanodiamonds. When combined with 3D neuronal cell aggregates, this approach holds great potential for in-depth studies of neurodegenerative diseases and beyond.” The study’s success lies in its ability to use these scaffolds to host dopaminergic neurons, crucial to Parkinson’s disease research, and demonstrate the neurons’ […]

Portuguese Competence Centre for Semiconductors Launched at INL in Braga

The Portuguese Competence Centre for Semiconductors (POEMS) held its inaugural meeting yesterday, marking a significant milestone in the country’s semiconductor industry. Hosted by the International Iberian Nanotechnology Laboratory (INL), the launch session showcased the consortium’s key areas of expertise and strategic goals. Co-funded by Fundação para a Ciência e a Tecnologia (FCT) and the Chips Joint Undertaking – European Union, POEMS is set to become one of 27 European semiconductor competence centres. These centres aim to empower companies to advance semiconductor development, a critical component in the global technology landscape. POEMS, as a cutting-edge initiative under the Chips Joint Undertaking initiative, directly addresses the critical needs outlined in Axis 1 of the National Semiconductor Strategy. This strategic alignment aims to catapult Portugal to the forefront of semiconductor innovation and production, specifically focusing on microelectronics and semiconductors. These areas are pivotal for elevating the existing industrial and technological capacities to meet key global challenges. Focusing on the strategic areas of chip design, advanced packaging, and emerging semiconductor technologies, POEMS leverages the diverse expertise of its 16 consortium partners. These partners include leading research and academic institutions that bring specialised training resources and cutting-edge capabilities. In Portugal, the 16 POEMS partners will […]

INL Hosts IDEAL Cluster Annual Meeting in Portugal

The IDEAL Cluster for Indoor Air Quality and Health held its second Annual Meeting on March 25-26, 2025, in Braga, Portugal. The event aimed to enhance synergies and amplify the impact of various Horizon Europe projects focused on indoor air quality and health. This year’s meeting was hosted by the LEARN project at the International Iberian Nanotechnology Laboratory (INL), which coordinates the IDEAL Cluster from September 2024 to April 2025. The event saw the participation of around 50 researchers and R&I professionals representing seven projects and eight working groups, with additional attendees joining online. Among the on-site participants were 10 members from LEARN project partner organizations, including INL, FI Group, VUB, TU/e, MANN+HUMMEL, and NIA. They presented their advancements in air pollution sensors, in-vitro models, skin-on-a-chip, and multi-sensing approaches, along with preliminary results from cohorts at Belgian schools and notable communication activities. Key discussions and presentations covered policy recommendations on indoor air quality, data exchange practices, communication collaborations, innovative sensor developments, guidelines and standardisation efforts, and the potential creation of a global indoor air quality index. The European Commission was represented by project officer Rita Araújo from the DG for Research and Innovation, Marco Morini from the DG for Energy, […]

Semiconductors: Opportunities and Challenges – A Key Event at INL

On 17 March, the International Iberian Nanotechnology Laboratory (INL) hosted the event “Semiconductors: Opportunities and Challenges”, bringing together key stakeholders to discuss Portugal’s semiconductor development strategy. Discussions centred on available infrastructure and new pilot lines, necessary investments, workforce development, and international collaborations—crucial elements for positioning Portugal within the broader European and global semiconductor ecosystem. INL served as a platform for insightful discussions on the role of semiconductors in shaping our digital future. Organised together by the Foundation for Science and Technology (FCT), the National Innovation Agency (ANI), the Norte Portugal Regional Coordination and Development Commission (CCDR-N), and INL, with the support of the Ministry of Education, Science and Innovation and the Ministry of Economy, the event highlighted key industry trends and collaboration opportunities that underscore the growing global interest in semiconductor supply chains, technological sovereignty, and upskilled workforces. This high-profile event featured multiple panel discussions, a demo exhibition, and a poster session showcasing contributions from industries, academia, and research institutions across the country. The 26 research posters—presented by 15 entities—along with an exhibition of R&D-driven products and solutions provided a comprehensive overview of the sector’s progress and challenges. Why Are Semiconductors So Important? Semiconductors are the building blocks of modern […]

INL group leader Begoña Espiña appointed as Water Europe Expert

On World Water Day 2025, INL proudly announces that Begoña Espiña, research group leader at INL, has been appointed as a member of the ZeroPollution & Health Expert Group of Water Europe. This recognition highlights Espiña’s exceptional contributions to water quality research, specifically in developing portable and automated devices for the selective detection and quantification of chemical and biological contaminants in water. Begoña Espiña has been at the forefront of research aimed at understanding the fate, bioaccumulation, and toxicity of nanomaterials in water, with a particular focus on implementing the safe-by-design concept. Since 2016, her work has played a crucial role in addressing global water challenges, making her appointment a well-deserved recognition of her dedication and expertise.Her new role within the ZeroPollution & Health Expert Group is a testament to the importance of INL’s ongoing commitment to advancing water quality and sustainability. Today, as we are celebrating World Water Day, we are reminded of the importance of collective efforts in safeguarding our most precious resource – water. Whether through scientific research, policy development, or community action, each of us plays a role in ensuring a sustainable and water-secure future for generations to come. We congratulate Begoña Espiña on this fantastic […]

Navigating Scientific Frontiers: An Interview with Rajashree Konar

In this insightful interview, Dr. Rajashree Konar, a Postdoctoral Researcher at INL, shares her experiences working in diverse international research environments and how they have shaped her scientific approach. She discusses her contributions to sustainable energy solutions, particularly through her work on nanocatalysts and lithium-ion batteries. Dr. Konar also offers valuable advice for researchers looking to patent their work and translate their research into real-world applications. Additionally, she candidly addresses the challenges she has faced as a woman in a highly technical field and the importance of female support networks in overcoming these obstacles. You have worked in multiple international research environments. How have these experiences shaped your scientific approach?In-depth research always demands consistent hard work. My experiences abroad have instilled in me a profound sense of persistence. Working in science and research can often feel like a slow march forward, demanding unwavering faith. But, through my multicultural journey, I have discovered that all scientists share an intense passion for growth, refusing to be confined by limitations. Each person, lab, culture, and university I’ve engaged with has taught me that collaboration is the key to truly understanding our work and harmonising our outlook. My exposure to a vibrant tapestry of […]

INL Colloquia Series 2025: second event with Jean-Michel Gérard

The INL Colloquia Series 2025 continues its journey into groundbreaking scientific advances with its second event, featuring world-renowned researcher Jean-Michel Gérard. This session will take place on 21 March 2025 at 09h30 at INL – International Iberian Nanotechnology Laboratory, with free entrance and registration. Jean-Michel Gérard will explore how artificial atoms in semiconductors are shaping the future of quantum photonics, offering insights into their applications and potential breakthroughs. His talk, titled “Artificial Atoms in Semiconductors for Quantum Photonics: From III-V Self-Assembled Quantum Dots to Color Centers in Silicon,” will provide a unique opportunity to engage with leading-edge quantum technologies and their impact on the future of photonics. About the INL Colloquia Series 2025 The INL Colloquia Series 2025 is an inspiring monthly event that delves into cutting-edge science and engineering. More than just a lecture series, it brings together high-level, inspiring researchers who push the boundaries of their fields. Each month, a new theme is explored, fostering fresh perspectives and encouraging dynamic discussions. Open to the general public, the series aims to unite experts, students, and enthusiasts to share in the excitement of scientific discovery. Join us and be part of the conversation that shapes the future of science! + REGISTER

Taking inspiration from the human brain to create a new class of intelligent, light-powered devices

At INL, our researchers are pushing the boundaries of brain-inspired computing, developing neuromorphic systems that process sensory data the way nature does – fast, efficiently, and with minimal energy. In a recently published paper in Scientific Reports, INL researchers developed a tiny micropillar quantum resonant tunnelling diode, or RTD, that behaves like a sensory neuron. This ‘neuron’ is capable of detecting light, processing information, and converting it into electrical signals, all within a single nanoscale device. Researcher Bruno Romeira explains, “This is possible because we are using quantum phenomena.” At its core, this system is a III–V semiconductor structure (materials widely used in photonics and high-speed electronics) designed to respond directly to incoming near-infrared light. When the light intensity reaches a certain threshold, the device enters a state known as negative differential resistance, triggering large-amplitude voltage oscillations. In other words, the incoming light signal is transformed into rhythmic electrical bursts, just like the firing patterns seen in biological neurons. Traditional neuromorphic hardware often relies on complex circuits, combining separate memory components and oscillators to mimic the way biological neurons process information. This increases the size, power consumption, and complexity of the system. The new device developed by Bejoys Jacob and […]

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