Diogo Poeta
PhD in Physics · Computational photonics · Nonlinear UV optics
PhD physicist with research experience in nonlinear UV nanophotonics and VOC photoionization sensing for indoor air-quality monitoring in schools.
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Research experience
Research Assistant — INL, Braga
September 2022 – April 2026 · EU LEARN project
- Contributed to selective VOC photoionization sensing for indoor air monitoring in schools.
- Designed and simulated dielectric nanostructures using Lumerical FDTD and MEEP; investigated optical anapoles, field distributions and energy velocity.
- Operated a femtosecond Yb laser system with tunable UV–VIS pulses; investigated third-harmonic generation in dielectric nanomembranes.
- Acquired and analysed experimental data with Python; used LabVIEW and National Instruments hardware for instrument control.
- Operated gas-handling systems, flow controllers and rotameters; fabricated and characterised dielectric thin films.
- Managed COMSOL Multiphysics licensing and onboarded new researchers.
Research Intern — INL, Braga
November 2020 – December 2021
- Designed TMDC metasurfaces and plasmonic nanostructures using Lumerical FDTD.
- Performed Raman and photoluminescence spectroscopy, spectroscopic ellipsometry and 2D-material transfer.
Invited Researcher in Proteomics — University of Beira Interior
February 2017 – June 2018
- Worked on biosynthesis, recovery and functional characterisation of therapeutic proteins; operated GC–MS for sample measurements.
Education
PhD in Physics · Bielefeld University, Germany · 2023–2026
MSc in Micro and Nano Technology · University of Minho, Portugal · 2019–2022
BSc in Bioengineering · University of Beira Interior, Portugal · 2016–2019
Technical skills
Modelling and analysis: Python, Lumerical FDTD, MEEP, electromagnetic field calculations, multipole decomposition, energy-velocity analysis, AutoCAD.
Optics and sensing: Femtosecond lasers, optical alignment, nonlinear optics, photoionization detection, gas delivery and flow control, LabVIEW, National Instruments data acquisition.
Fabrication and characterisation: Sputtering, optical lithography, atomic layer deposition, ellipsometry, UV–Vis–NIR spectroscopy, XRD, XPS, AFM, Raman and photoluminescence spectroscopy.
Publications
Four journal articles in Optics Letters, Optics Express, Optical Materials Express and Environmental Technology & Innovation.
Full publication list and DOI links →
Selected presentations
2025 · SPIE Optics + Optoelectronics, Prague. Poster on TiO₂/SiO₂ metasurfaces for enhancement of third-harmonic generation with UV-A pump wavelengths.
2024 · INL Annual Research Symposium, Braga. 3MT talk on optical anapoles excited by UV-A illumination.
2021 · Conferencia Española de Nanofotónica. Talk on extraordinary transparency in continuous metallic thin film based on TMDC metasurfaces.
Languages
Portuguese: native · English: professional · Spanish: professional