Radoslaw Kolkowski
Academy Research Fellow
Academy Research Fellow
T304 Dept. Applied Physics
Full researcher profile
https://research.aalto.fi/...
E-post
radoslaw.kolkowski@aalto.fi
Publikationer
Enhanced Q factor and robustness of photonic bound states in the continuum merging at locally bent trajectories
Huayu Bai, Andriy Shevchenko, Radoslaw Kolkowski
2025
JPhys Photonics
Recovery of topologically robust merging bound states in the continuum in photonic structures with broken symmetry
Huayu Bai, Andriy Shevchenko, Radoslaw Kolkowski
2025
Nanophotonics
Strong Enhancement of Two-Photon Absorption and Emergence of Unusual Extinction Saturation in Silver Sulfide Quantum Dots Integrated with Gold and Silica Nanostructures
Marta Gordel-Wójcik, Radoslaw Kolkowski, Marcin Nyk, Marek Samoć
2025
ACS Applied Materials and Interfaces
Low-loss resonant nonlinear nanophotonics in the visible spectral range using wafer-bonded crystalline AlInP
R. Kolkowski, S. A. Shahahmadi, S. Novikov, J. Oksanen, A. C. Liapis, H. Bai, T. Stolt, M. Kaivola, A. Shevchenko
2025
Nonlinear nanophotonics with Mie-resonant nanostructures based on wafer-bonded crystalline AlInP - a low-loss χ(2) material
R. Kolkowski, S. A. Shahahmadi, S. Novikov, J. Oksanen, A. C. Liapis, H. Bai, T. Stolt, M. Kaivola, A. Shevchenko
2025
19th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2025
Resonant nanostructures based on AlInP-a low-loss material platform for nonlinear nanophotonics
Radoslaw Kolkowski, Seyed Ahmad Shahahmadi, Serguei Novikov, Jani Oksanen, Andreas C. Liapis, Huayu Bai, Timo Stolt, Matti Kaivola, Andriy Shevchenko
2025
Towards ultracompact photonic chips using higher-order modes in closely spaced waveguides
F. Yousry, P. Hildén, R. Kolkowski, A. Shevchenko
2025
JPhys Photonics
Infinite-Q Accidental and Merging BICs with Broken Up-down Symmetry
H. Bai, A. Shevchenko, R. Kolkowski
2024
2024 Photonics and Electromagnetics Research Symposium, PIERS 2024 - Proceedings
Spontaneous symmetry breaking in plasmon lattice lasers
Nelson de Gaay Fortman, Radoslaw Kolkowski, Debapriya Pal, Said R.K. Rodriguez, Peter Schall, A. Femius Koenderink
2024
Science Advances
Silica-coated gold nanoshells : Surface chemistry, optical properties and stability
Marta Gordel-Wójcik, Michał Pietrzak, Radosław Kołkowski, Eugeniusz Zych
2024
Journal of Luminescence