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Director of the Quantum Sensing Laboratory. He obtained his PhD in Optics and Optical Engineering from the Universitat Politècnica de Catalunya, carried out at the Institute of Photonic Sciences (ICFO) in 2008, after completing his master's degree in physics from the same university in 2004 and his bachelor's degree in physics from the Universitat Autònoma de Barcelona in 2001. From 2008 to 2011, he worked as a postdoctoral associate at the ILPB - Institute for Lasers, Photonics, and Biophotonics (Buffalo, USA), from 2011 to 2019 as a Research Fellow in Nanophotonics (Lecturer) at Macquarie University, Department of Physics and Astronomy (Sydney, Australia), and from 2019 to 2023 as a Senior Scientific Researcher at the Fraunhofer Institute for Applied Solid State Physics IAF (Freiburg, Germany), where he participated in the Quantum Flagship / Framework Programme Agreement initiatives such as Qu-Pilot (Pilot production capabilities for quantum technologies) and Qu-Test (Open testing and experimentation for quantum technologies) and the HEP AMADEUS project, Advancing the market uptake of diamond defects quantum sensors. His field of expertise focuses on detection mechanisms in nitrogen-vacancy (NV) center structures in diamond, particularly in the detection of low magnetic fields with NV scanners, wide-field magnetometers, and modified confocal instruments for magnetometry. He has contributed to the publication of 38 indexed articles (h-index: 20) and is a regular speaker at forums and events related to this field of knowledge. He is co-author of the patent "A method and an apparatus for generating information indicative of a position of a round feature," Ivan Fernandez-Corbaton, et al. Australian Provisional Patent Application 2012904967, 2012. He has experience in the characterization and control of NV centers in diamond: photoluminescence, optically detected magnetic resonance (ODMR), pulsed control measurements, and spin characterization (relaxometry). Additionally, he has experience in constructing experimental setups for quantum detection, quantum optics, and nanophotonics. Primarily, but not exclusively, for research in optical lithography, plasmonics, metamaterials, chirality, angular momentum of light, and super-resolution based on stimulated emission depletion (STED). He complements this solid experimental background with deep knowledge in Matlab and LabView, as well as Python programming, for simulations, data analysis, and instrument communication. He has experience in training students, technicians, and scientific staff; in managing research projects with both national and international partners; and in forming complex teams to generate opportunities within R&D funding frameworks.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being
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SDG 9 Industry, Innovation, and Infrastructure
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Collaborations and top research areas from the last five years
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Alterations in sleep-activity cycles and clock gene expression across the synucleinopathy spectrum
Comas, M., Vidal, X., Rawashdeh, O., Grunstein, R. R., Lewis, S. J. G. & Matar, E., Dec 2025, In: Translational Neurodegeneration. 14, 1, 28.Research output: Contribution to journal › Letter › peer-review
Open AccessFile3 Citations (Scopus) -
High-contrast absorption magnetometry in the visible to near-infrared range with nitrogen-vacancy ensembles
Schall, F., Hahl, F. A., Lindner, L., Vidal, X., Luo, T., Zaitsev, A. M., Ohshima, T., Jeske, J. & Quay, R., 10 Mar 2025, In: Optics Express. 33, 5, p. 10899-10910 12 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Citations (Scopus)3 Downloads (Pure) -
Laser threshold magnetometry with a combined laser diode, nitrogen-vacancy center cavity
Lindner, L., Rottstaedt, Y., Schall, F., Hahl, F. A., Luo, T., Dogan, C., Antonio, G. N., Vidal, X., Sacher, J., Zaitsev, A., Ohshima, T., Capelli, M., Gibson, B. C., Greentree, A. D., Rattunde, M., Jeske, J. & Quay, R., 2025, Quantum Sensing, Imaging, and Precision Metrology III. Shahriar, S. M. (ed.). SPIE, 1339209. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13392).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Nitrogen-Vacancy Center hybridization with external emitters leading to improved sensing capabilities
Edo, M. E. & Vidal, X., 2025, 2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025. Institute of Electrical and Electronics Engineers Inc., (2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Absorption and birefringence study for reduced optical losses in diamond with high nitrogen-vacancy concentration
Luo, T., Hahl, F. A., Langer, J., Cimalla, V., Lindner, L., Vidal, X., Haertelt, M., Blinder, R., Onoda, S., Ohshima, T. & Jeske, J., 22 Jan 2024, In: Philosophical transactions. Series A, Mathematical, physical, and engineering sciences. 382, 2265, 20220314.Research output: Contribution to journal › Article › peer-review
Open AccessFile8 Citations (Scopus)2 Downloads (Pure)
Thesis
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Generación de Segundo Armónico en Estructuras Desordenadas y Diseño Molecular para Óptica Cuadrática No Lineal
Vidal Asensio, X. (Author), 2008Doctoral thesis: Doctoral Thesis