Computational Nano Optics

How nanotextured interfaces influence the electronics in perovskite solar cells Perovskite solar cells have reached power conversion efficiencies that rival those of established silicon photovoltaics. Nanotextures in perovskite solar cells scatter the incident light, thereby impr...

Nanotextured interfaces impact #optoelectronics in #perovskite #solarCells: New paper in EES Solar! Cooperation of @weierstrassinst.bsky.social‬, @helmholtz.de‬ #HZB, @zuseinstitute.bsky.social, headed by @patriciofarrell.bsky.social. Funding @mathplusberlin.bsky.social PaA-1 doi.org/10.1039/D5EL...

All-TMDC nanobeam resonator designs for nanolasers: article published in @physrevb.bsky.social
dx.doi.org/10.1103/nxh9...
#NumericalOptimization #photonics #numerics @zuseinstitute.bsky.social @felixbinkowski.bsky.social @mathplusberlin.bsky.social @fc-modal.bsky.social

Physics-informed Bayesian optimization of expensive-to-evaluate black-box functions - just accepted in @ioppublishing.bsky.social MACHINE LEARNING SCIENCE AND TECHNOLOGY dx.doi.org/10.1088/2632... @jcmwave.bsky.social, @zuseinstitute.bsky.social @mathplusberlin.bsky.social @fc-modal.bsky.social‬

Corresponding data publication at Zenodo: "Source code and simulation results: High Purcell enhancement in all-TMDC nanobeam resonator designs with optically active monolayers for nanolasers" doi.org/10.5281/zeno... #photonics #numerics

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.

European Conference on Optics for Solar Energy, Berlin 8-9 Oct 2025.
Extended poster submission deadline: 30.09.2025
Registration is free for presenters and students.
helmholtz-berlin.de/events/2025-...

SIAM Conference on Parallel Processing for Scientific Computing (PP26) | SIAM The SIAM Conference on Parallel Processing for Scientific Computing (PP26) will be held in Berlin, Germany from March 3- 6, 2026.

The SIAM Conference on Parallel Processing for Scientific Computing (PP26) will be held at Zuse Institute Berlin!
3-6 March 2026
www.siam.org/conferences-...
Submission deadlines:
Minisymposium Proposals: 31 July 2025
Contributions: 2 September 2025
Travel Support: 1 December 2025

MP after successful defense of the PhD thesis.

Matthias Plock successfully defends his dissertation "On Methods for Bayesian Optimization of Least Squares Problems and Optimization of Nanophotonic Devices" on 15.07.2025 at @freieuniversitaet.bsky.social @zuseinstitute.bsky.social, @mathplusberlin.bsky.social #MachineLearning Congratulations!

Spectrum and its convergence with number of support points in the AAA Rational Approximation, from data publication https://doi.org/10.5281/zenodo.14651612 , corresponding to the article Betz et al., https://doi.org/10.1002/lpor.202500811 .

Convergence results for the numerical realization of the approach, scripts, and data, can be found in the corresponding data publication at the Zenodo EU Open Research Repository, doi.org/10.5281/zeno...

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...

XXXII International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling April 8-10, 2026 – Lausanne, Switzerland Join us in the Olympic Capital to share your research with world leaders in the field of computational electromagnetics and the numerical simulation of photoni...

OWTNM at Lausanne, CH: XXXII International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling. 8-10 April 2026. #OWTNM #photonics #numerics Chaired by Olivier Martin. Submission deadline 6 Feb 2026. Workshop homepage: owtnm26.epfl.ch

Unravelling the mystery of enhanced open-circuit voltages in nanotextured perovskite solar cells Perovskite solar cells have reached power conversion efficiencies that rival those of established silicon photovoltaic technologies. Nanotextures in perovskite solar cells optimise light trapping and ...

Unravelling the mystery of enhanced open-circuit voltages in #nanotextured #perovskite #solarCells: New preprint with results from @mathplusberlin.bsky.social PaA-1 cooperation of @weierstrassinst.bsky.social‬, @helmholtz.de‬ #HZB, @zuseinstitute.bsky.social arxiv.org/abs/2506.10691

Inauguration party for new office spaces at #FUHUB #FUBIC, Fabeckstraße! Concurrently with the Opening of @fc-modal.bsky.social‬ / Phase3 on 16 June 2025! Speeches by I Czyborra, Senator for Research, K Hess of BMFTR, @gmziegler.bsky.social‬ president of @freieuniversitaet.bsky.social, and others

Conference:
spie.org/conferences-...

Programme:
spie.org/EDO25/confer...

Presentation:
spie.org/digital-opti...

@spie.org‬ Digital Optical Technologies 2025 #LaserMunich: Visit Talk by Ivan Sekulic on Physics informed Bayesian optimization for inverse design of diffractive optical elements! @jcmwave.bsky.social @zuseinstitute.bsky.social @fc-modal.bsky.social‬ #NumericalOptimization #Photonics

spie.org/conferences-...

spie.org/optical-metr...

@spie.org‬ Modeling Aspects in Optical Metrology X: Visit Invited talk given by M Hammerschmidt CEO of @jcmwave.bsky.social: #MachineLearning for efficient Bayesian parameter reconstruction in optical nanometrology, 23 June 2025 #LaserMunich @zuseinstitute.bsky.social #PTB
spie.org/EOM25/confer...

Opening of #FUBIC @freieuniversitaet.bsky.social‬ 16.06.2025 & Research Campus MODAL 3 at FUBIC: CNO presents the NanoLab of @fc-modal.bsky.social‬. #photonics @jcmwave.bsky.social @zuseinstitute.bsky.social #FUHUB FUBIC: "Business and Innovation Centre next to Freie Universität Berlin Campus"

Phill Manley presents "Advanced Optimization Techniques Applied to a Light Source Model for Combined Quantum and Classical Communication" at the 26th European Conference on Integrated Optics in Cardiff, 10-12 June 2025 www.ecio-conference.org @jcmwave.bsky.social #photonics #optimization #numerics

Congratulations to PhoenixD!

Congratulations! 🥳

Save the date: 18th Annual Meeting Photonic Devices 28-30 April 2026, Berlin, #AMPD2026, www.zib.de/workshop-pho... @zuseinstitute.bsky.social @mathplusberlin.bsky.social

High‐Efficiency Multi‐Level Beam Switching with Single‐Gate Tunable Metasurfaces Based on Graphene The growing demand for ultra-fast telecommunications, autonomous driving, and futuristic technologies highlights the crucial role of active beam steering at the nanoscale. This work theoretically pre...

Super nice paper on highly efficient tunable metasurfaces by authors from Korean Institute of Science and Technology #KIST! Uses #RieszProjection and #PolesAndZeros in the #numerical analysis and #optimization doi.org/10.1002/adom...

📢 CALL FOR PAPERS: 2025 European Conference on Optics for Solar Energy 🌞

Submission Deadline: 27 May 2025 📅

📅 October 8-9, 2025
🌍 Berlin, Germany

optsolar.eu. 📝

Topics (selection):
🔹Light management 🌟
🔹Luminescent materials ✨
🔹Spectral-conversion 🌈
🔹Modelling 🛠️
🔹Fabrication 🏭
🔹Characterization 🔍

#AMPD2025 Inside an original Hastings airplane. This was the largest transport plane deployed by the Royal Air Force during the Berlin Airlift. Photo by courtesy of P. Lalanne

Social event: #AMPD2025 visits the Allied Museum www.alliiertenmuseum.de/en/

Spectroscopic Ellipsometry of Plasmonic Gratings─Ideal Parameters for Sensing and Subpicometer Measurement Uncertainty Gold gratings were measured by spectroscopic ellipsometry in reflection mode and modeled by the finite element method to investigate the capabilities of optical dimensional metrology for plasmonic dif...

Spectroscopic Ellipsometry of Plasmonic Gratings - Subpicometer Measurement Uncertainty - collaboration with HUN-REN Center for Energy Research, U Debrecen, PTB Braunschweig, & FSU Jena, Published in ACS Omega @zuseinstitute.bsky.social #OpticalMetrology #FiniteElementMethod doi.org/10.1021/acso...

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!

Schematic image visualizing challenges, achievements, and perspectives for optics for terawatt scale photovoltaics. Image by K. Jäger, Helmholtz Zentrum Berlin.

Eyecatching illustration for this article in better resolution! AI-generated and provided by @solartube.bsky.social

Optics for terawatt-scale photovoltaics: review and perspectives Photovoltaics, a mature technology, is set to play a vital role in achieving a carbon-free energy system. This article examines the pivotal role of optics in advancing photovoltaics. We identify key s...

Review and Perspectives on Optics for Tera-Watt-scale #Photovoltaics. Published in Adv. Opt. Photonics, doi.org/10.1364/AOP....
Klaus Jäger @solartube.bsky.social & huge consortium with many members including also @zuseinstitute.bsky.social @jcmwave.bsky.social