Felix Binkowski

SCIP Optimization Suite 10.0 is out 🎉

→ Numerically exact solving mode for rational MILPs
→ 9-20% faster on hard MINLPs
→ IIS detection for debugging infeasible models
→ Better symmetry handling
... and many more

For full details see:
www.pokutta.com/blog/resear...

#optimization

The Berlin Mathematical School (BMS) — graduate school of MATH+, jointly run by @freieuniversitaet.bsky.social , @humboldtuni.bsky.social, and @tuberlin.bsky.social — is accepting applications for its 2026 PhD Program.

📅 Apply by 1 Dec 2025 or 1 Apr 2026
🔗 More info: www.math-berlin.de/application

High Purcell enhancement in all-TMDC nanobeam resonator designs for nanolasers: doi.org/10.48550/arX...

Great collaboration with Stephan Reitzenstein, (@tuberlin.bsky.social) Battulga Munkhbat (@dtu.dk), @jcmwave.bsky.social, @cnoatzib.bsky.social, @mathplusberlin.bsky.social.

Lin Zschiedrich will present an Invited Talk at the 25th Conference on Numerical Simulation of Optoelectronic Devices (NUSOD2025) in Lodz, Poland, 18 Sept 2025: "Efficient Photonic Component Analysis via AAA Rational Approximation" www.nusod.net

Uncovering Hidden Resonances in Non‐Hermitian Systems with Scattering Thresholds The points where diffraction orders emerge or vanish in the propagating spectrum of periodic non-Hermitian systems are referred to as scattering thresholds. Close to these branch points, resonances f...

Uncovering Hidden Resonances in Non‐Hermitian Systems with Scattering Thresholds: Collab w. @crockstuhl.bsky.social, F Koenderink @amolf-nl.bsky.social, @jcmwave.bsky.social, @zuseinstitute.bsky.social @mathplusberlin.bsky.social published @wiley.com‬ Laser Photonics Reviews doi.org/10.1002/lpor...

Thanks to all participants of #AMPD2025! 71 nanophotonics presentations and 110 participants at the 17th Annual Meeting Photonic Devices in Berlin! @zuseinstitute.bsky.social , @mathplusberlin.bsky.social . Looking forward to #AMPD2026!

Fundamental mode in a photonic crystal fiber, PCF, computed using AAA rational approximation. See also: data publication: http://dx.doi.org/10.5281/zenodo.14202408, method: https://doi.org/10.1002/lpor.202400584, https://doi.org/10.1002/adts.202400989

Propagation modes in photonic crystal fibers: efficient computation using #AAARationalApproximation: Article in @degruyterbrill.bsky.social Nanophotonics: doi.org/10.1515/nano...
@zuseinstitute.bsky.social @jcmwave.bsky.social @mathplusberlin.bsky.social @felixbinkowski.bsky.social

Source code for computation of specific modes in dense spectra, example: #HCPCF fundamental modes, dx.doi.org/10.5281/zeno...
corresponding #arXiv preprint @felixbinkowski.bsky.social: dx.doi.org/10.48550/arX... #photonics #numerics #AAARationalApproximation @jcmwave.bsky.social #FAIRdata #zenodo

Happy to share our preprint on AAA rational approximation for photonic fibers doi.org/10.48550/arX...! We show how to compute only the fundamental modes within a dense spectrum of nonrelevant modes. Many thanks to my colleagues @cnoatzib.bsky.social, @zuseinstitute.bsky.social, @jcmwave.bsky.social!

A Framework to Compute Resonances Arising from Multiple Scattering Photonic resonances frequently arise from the interaction among multiple scatterers. It is shown how prior knowledge of such constituents can be used to compute resonances in nanophotonic systems eff....

Computing #photonic #resonances using Tmatrix multi-scattering &#AAARationalApproximation. Collaboration with JDFischbach @crockstuhl.bsky.social, @felixbinkowski.bsky.social @zuseinstitute.bsky.social, #IBMresearch, @jcmwave.bsky.social, Paper in Adv Theory Simul doi.org/10.1002/adts...

#JCMsuite V6.4.8, new release of our FEM solver is online. Upgrade to the newest version or download a demo license from: installation.jcmwave.com

Direct computation of Poles and Zeros of response functions in non-Hermitian systems, based on contour integration: doi.org/10.1103/Phys... #photonics #numerics #RieszProjection, collab with Pat Genevet @coschoolofmines.bsky.social, @jcmwave.bsky.social, @felixbinkowski.bsky.social

A tiny Drude scatterer can accurately model a coherent emitter in nanophotonics We add a missing element to the set of directly computable scenarios of light-matter-interaction within classical numerical Maxwell solvers, i.e., light scattering from hybrid systems of resonators an...

A tiny, resonant scatterer accurately models a coherent emitter in #nanophotonics. Collaboration results with Günter Kewes @humboldtuni.bsky.social published in
Nanophotonics @degruyterbrill.bsky.social @zuseinstitute.bsky.social @felixbinkowski.bsky.social dx.doi.org/10.1515/nano...

Schematics showing a visualization of an electromagnetic field distribution at an exceptional point, as well as a contour integral used for its computation.

Stable and accurate computation of eigenfrequency sensitivities near exceptional points, #nonHermitian systems #photonics #directDifferentiation @zuseinstitute.bsky.social @felixbinkowski.bsky.social #PhysRevResearch dx.doi.org/10.1103/Phys...

Article highlighted in Laser & Photonics Reviews: Highly efficient #QuasiNormalMode #QNM analysis using #AAA #RationalApproximation. #NanoPhotonics
@zuseinstitute.bsky.social @felixbinkowski.bsky.social
doi.org/10.1002/lpor...

Save the date: 17th Annual Meeting Photonic Devices 02-04 April 2025, Berlin, #AMPD2025, www.zib.de/workshop-pho..., @zuseinstitute.bsky.social