Betz, Fridtjof

Position:

Staff

Room:

2022

Division:

Mathematics of Complex Systems

Department:

Modeling and Simulation of Complex Processes

Research group:

Computational Nano Optics

Mail:

betz

zib.de

Phone:

+49 30 841 85 - 504

Fax:

+49 30 841 85 - 107

Projects

Member

Emitter Resonator Interaction (ECMath OT9)

MODAL-NanoLab

Publications

2023 2022 2021 2020 2019

2023
Lilli Kuen, Fridtjof Betz, Felix Binkowski, Philipp-Immanuel Schneider, Martin Hammerschmidt, Niels Heermeier, Sven Rodt, Stephan Reitzenstein, Sven Burger	Applying a Riesz-projection-based contour integral eigenvalue solver to compute resonance modes of a VCSEL	Proc. SPIE, p. 125750J, Vol.12575, 2023	BibTeX DOI
Fridtjof Betz, Felix Binkowski, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Cover Picture: Resonance Expansion of Quadratic Quantities with Regularized Quasinormal Modes	Phys. Status Solidi A, Vol.220, p. 2370013, 2023	BibTeX DOI
Lucas Rickert, Fridtjof Betz, Matthias Plock, Sven Burger, Tobias Heindel	High-performance designs for fiber-pigtailed quantum-light sources based on quantum dots in electrically-controlled circular Bragg gratings	Opt. Express, Vol.31, p. 14750, 2023	BibTeX DOI arXiv
Fridtjof Betz, Felix Binkowski, Sven Burger	RPExpand	Zenodo, p. 7840116, 2023	BibTeX DOI
Fridtjof Betz, Felix Binkowski, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Resonance expansion of quadratic quantities with regularized quasinormal modes	Phys. Status Solidi A, Vol.220, p. 2200892, 2023	BibTeX DOI arXiv
2022
Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Computation of eigenfrequency sensitivities using Riesz projections for efficient optimization of nanophotonic resonators	Commun. Phys., Vol.5, p. 202, 2022	BibTeX DOI arXiv
Lucas Rickert, Fridtjof Betz, Matthias Plock, Sven Burger, Tobias Heindel	Data publication for "High-performance designs for fiber-pigtailed quantum-light sources based on quantum dots in electrically-controlled circular Bragg gratings"	Zenodo, p. 7360516, 2022	BibTeX DOI
Remi Colom, Felix Binkowski, Fridtjof Betz, Yuri Kivshar, Sven Burger	Enhanced Purcell factor for nanoantennas supporting interfering resonances	Phys. Rev. Research, Vol.4, p. 023189, 2022	BibTeX DOI arXiv
Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Numerical methods for the investigation of resonances in nanophotonics	The 12th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2022), S. Zouhdi (Ed.), p. 247, 2022	BibTeX
Kseniia Volkova, Julia Heupel, Sergei Trofimov, Fridtjof Betz, Rémi Colom, Rowan W. MacQueen, Sapida Akhundzada, Meike Reginka, Arno Ehresmann, Johann Peter Reithmeier, Sven Burger, Cyril Popov, Boris Naydenov	Optical and Spin Properties of NV Center Ensembles in Diamond Nano-Pillars	Nanomaterials, Vol.12, p. 1516, 2022	BibTeX DOI
Fridtjof Betz, Remi Colom, Sven Burger, Boris Naydenov	Scripts for quantifying the effect of diamond nano-pillars on the fluorescence of NV centers	Zenodo, 2022	BibTeX DOI
Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Source code and simulation data for Computation of eigenfrequency sensitivities using Riesz projections for efficient optimization of nanophotonic resonators	Zenodo, 2022	BibTeX DOI
Fridtjof Betz, Felix Binkowski, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Source code and simulation results for computing resonance expansions of quadratic quantities with regularized quasinormal modes	Zenodo, 2022	BibTeX DOI
Remi Colom, Felix Binkowski, Fridtjof Betz, Yuri Kivshar, Sven Burger	Source code and simulation results for nanoantennas supporting an enhanced Purcell factor due to interfering resonances	Zenodo, 2022	BibTeX DOI
2021
Felix Binkowski, Fridtjof Betz, Remi Colom, Martin Hammerschmidt, Philipp-Immanuel Schneider, Lin Zschiedrich, Sven Burger	Contour integral methods for resonance phenomena in nano-optics	The 11th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2021), S. Zouhdi, D. Pawlak, A. Kudelski (Eds.), p. 523, 2021	BibTeX
Fridtjof Betz, Felix Binkowski, Sven Burger	RPExpand: Software for Riesz projection expansion of resonance phenomena	SoftwareX, Vol.15, p. 100763, 2021	BibTeX DOI
Fridtjof Betz, Felix Binkowski, Sven Burger	RPExpand: Software for Riesz projection expansion of resonance phenomena [Source Code]	2021	BibTeX DOI
2020
Fridtjof Betz	Investigation and application of contour integral methods for resonance expansion in nanophotonics	Master's thesis, Freie Universität Berlin, Sven Burger, Ana-Nicoleta Bondar (Advisors), 2020	BibTeX
Felix Binkowski, Fridtjof Betz, Rémi Colom, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Modal expansion of optical far-field quantities using quasinormal modes	EPJ Web Conf., p. 05007, Vol.238, 2020	BibTeX DOI
Rémi Colom, Felix Binkowski, Fridtjof Betz, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Quasi-normal mode expansion as a tool for the design of nanophotonic devices	EPJ Web Conf., p. 05008, Vol.238, 2020	BibTeX DOI
Felix Binkowski, Fridtjof Betz, Rémi Colom, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger	Quasinormal mode expansion of optical far-field quantities	Phys. Rev. B, Vol.102, p. 035432, 2020	BibTeX arXiv DOI
2019
Felix Binkowski, Lin Zschiedrich, Philipp-Immanuel Schneider, Martin Hammerschmidt, Xavier Garcia Santiago, Fridtjof Betz, Sven Burger	Spectral Expansion of the Scattering Response of Resonant Nanostructures	EOS Topical Meeting on Diffractive Optics, Kimmo Saastamoinen (Ed.), p. 1, 2019, ISBN: 978-952-68553-8-7	BibTeX