April was an inspiring month for our group, full of opportunities to share ideas and connect with the broader scientific community. We took part in conferences across various locations and focuses, where we presented our latest research through invited talks and poster sessions.
Four members of the QOLO group were selected to give talks at the SPIE Optics+Optoelectronics Prague – Photon Counting and Quantum Optics 2025. Miroslav Ježek talked about the Linearity and scalability of photon counting: toward accurate multiparameter photonic sensing. Dominik Vašinka presented the All-fiber microendoscopic polarization sensing at single-photon level aided by deep learning (arxiv.org/abs/2405.02172). Filip Juráň introduced our newly developed approach for Device-agnostic single-emitter super-resolution using deep learning (arxiv.org/abs/2502.18637). Martin Bielak gave a presentation on The minimum-error quantum estimation with multiprojector measurements. Anežka Dostálová participated with a poster Sensing and imaging with single organic molecules and their clusters at room temperature.
Miroslav Ježek was an invited speaker at the 8th International Workshop on Specialty Optical Fibers (WSOF-2025), which brings together researchers from academia and industry to present and discuss the latest development in specialty optical fiber technology and their wide-ranging applications. Miroslav presented Single-photon polarization sensing using a few-mode-fiber probe for microendoscopic applications and quantum technology.
Miroslav Ježek gave invited talks also at the Machine Learning & Quantum Physics Workshop: Obergurgl, 3rd edition. This yearly workshop is aimed towards quantum physicists (both theory and experiment) and computer scientists interested in the intersection of machine learning and quantum physics. Miroslav’s talks were entitled Learning the scaling of multipartite entanglement quantification and Of molecules and stars: Device-agnostic approach to super-resolution imaging.
Martin Bielak, Anežka Dostálová, Filip Juráň, and Martin Dostál participated in the Twelfth annual Bristol Quantum Information Technologies, BQIT:25 with posters. Filip was selected for a poster upgrade and was given the opportunity to present From Micro to Macro-World: Device-Agnostic Single-Emitter Super-Resolution Imaging using Deep Learning to a large audience. The presented posters were:
F. Juráň, D. Vašinka, J. Běhal, M. Ježek, From Micro to Macro-world: Device-Agnostic Single-Emitter Super-Resolution Imaging using Deep Learning,
M. Bielak, D. Vašinka, M. Ježek, Real-time polarization sensing through a few-mode fiber at a single-photon level,
M. Dostál, M. Ježek, J. Fiurášek, J. Bílek, Experimental investigation of heralded Gaussification of phase-randomized coherent states of light,
A. Dostálová, D. Vašinka, R. Stárek, M. Ježek, Sensing and imaging with single organic molecules with photon-number-resolved detection and deep learning.
Martin Bielak extended his stay in Bristol for a few days after the conference to continue his collaboration with Anthony Laing’s research group, where he previously completed two internships in 2021 and 2023. Since then, he has remained actively involved in joint projects with the group.
