TY - CHAP A1 - Becker, Christiane A1 - Xavier, Jolly A1 - Preidel, Veit A1 - Wyss, Philippe A1 - Sontheimer, Tobias A1 - Rech, Bernd A1 - Probst, Jürgen A1 - Hülsen, Christoph A1 - Löchel, Bernd A1 - Erko, Alexei A1 - Burger, Sven A1 - Schmidt, Frank A1 - Back, Franziska A1 - Rudigier-Voigt, Eveline T1 - Nanophotonic light trapping in polycrystalline silicon thin-film solar cells using periodically nanoimprint-structured glass substrates T2 - Proc. SPIE Y1 - 2013 U6 - https://doi.org/10.1117/12.2023871 VL - 8824 SP - 88240D ER - TY - JOUR A1 - Becker, Christiane A1 - Wyss, Philippe A1 - Eisenhauer, David A1 - Probst, Jürgen A1 - Preidel, Veit A1 - Hammerschmidt, Martin A1 - Burger, Sven T1 - 5 x 5 cm2 silicon photonic crystal slabs on glass and plastic foil exhibiting broadband absorption and high-intensity near-fields JF - Sci. Rep. Y1 - 2014 U6 - https://doi.org/10.1038/srep05886 VL - 4 SP - 5886 ER - TY - JOUR A1 - Barth, Carlo A1 - Roder, Sebastian A1 - Brodoceanu, Daniel A1 - Kraus, Tobias A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Becker, Christiane T1 - Increased fluorescence of PbS quantum dots in photonic crystals by excitation enhancement JF - Appl. Phys. Lett. Y1 - 2017 U6 - https://doi.org/10.1063/1.4995229 VL - 111 SP - 031111 ER - TY - JOUR A1 - Jäger, Klaus A1 - Köppel, Grit A1 - Eisenhauer, David A1 - Chen, Duote A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Becker, Christiane T1 - Optical simulations of advanced light management for liquid-phase crystallized silicon thin-film solar cells JF - Proc. SPIE Y1 - 2017 U6 - https://doi.org/10.1117/12.2273994 VL - 10356 SP - 103560F ER - TY - JOUR A1 - Hammerschmidt, Martin A1 - Barth, Carlo A1 - Pomplun, Jan A1 - Burger, Sven A1 - Becker, Christiane A1 - Schmidt, Frank T1 - Reconstruction of photonic crystal geometries using a reduced basis method for nonlinear outputs JF - Proc. SPIE N2 - Maxwell solvers based on the hp-adaptive finite element method allow for accurate geometrical modeling and high numerical accuracy. These features are indispensable for the optimization of optical properties or reconstruction of parameters through inverse processes. High computational complexity prohibits the evaluation of the solution for many parameters. We present a reduced basis method (RBM) for the time-harmonic electromagnetic scattering problem allowing to compute solutions for a parameter configuration orders of magnitude faster. The RBM allows to evaluate linear and nonlinear outputs of interest like Fourier transform or the enhancement of the electromagnetic field in milliseconds. We apply the RBM to compute light-scattering off two dimensional photonic crystal structures made of silicon and reconstruct geometrical parameters. Y1 - 2016 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:0297-zib-58187 VL - 9756 SP - 97561R ER - TY - JOUR A1 - Jäger, Klaus A1 - Barth, Carlo A1 - Hammerschmidt, Martin A1 - Herrmann, Sven A1 - Burger, Sven A1 - Schmidt, Frank A1 - Becker, Christiane T1 - Simulations of sinusoidal nanotextures for coupling light into c-Si thin-film solar cells JF - Opt. Express Y1 - 2016 U6 - https://doi.org/10.1364/OE.24.00A569 VL - 24 SP - A569 ER - TY - CHAP A1 - Jäger, Klaus A1 - Hammerschmidt, Martin A1 - Köppel, Grit A1 - Burger, Sven A1 - Becker, Christiane T1 - On Accurate Simulations of Thin-Film Solar Cells With a Thick Glass Superstrate T2 - Light, Energy and the Environment 2016 Y1 - 2016 U6 - https://doi.org/10.1364/PV.2016.PM3B.5 SP - PM3B.5 ER - TY - CHAP A1 - Jäger, Klaus A1 - Köppel, Grit A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Becker, Christiane T1 - Accurate optical simulations of periodic nanostructures on a thick glass substrate T2 - 29th Workshop on Quantum Solar Energy Conversion - (QUANTSOL) Y1 - 2017 ER - TY - JOUR A1 - Eisenhauer, David A1 - Jäger, Klaus A1 - Köppel, Grit A1 - Rech, Bernd A1 - Becker, Christiane T1 - Optical Properties of Smooth Anti-reflective Three-dimensional Textures for Silicon Thin-film Solar Cells JF - Energy Procedia Y1 - 2016 U6 - https://doi.org/10.1016/j.egypro.2016.11.314 VL - 102 SP - 27 EP - 35 ER - TY - JOUR A1 - Eisenhauer, David A1 - Köppel, Grit A1 - Jäger, Klaus A1 - Chen, Duote A1 - Shargaieva, Oleksandra A1 - Sonntag, Paul A1 - Armkreutz, Daniel A1 - Rech, Bernd A1 - Becker, Christiane T1 - Smooth anti-reflective three-dimensional textures for liquid phase crystallized silicon thin-film solar cells on glass JF - Sci. Rep. Y1 - 2017 U6 - https://doi.org/10.1038/s41598-017-02874-y VL - 7 SP - 2658 ER - TY - JOUR A1 - Jäger, Klaus A1 - Köppel, Grit A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Becker, Christiane T1 - On accurate simulations of thin-film solar cells with a thick glass superstrate JF - Opt. Express Y1 - 2018 U6 - https://doi.org/10.1364/OE.26.000A99 VL - 26 SP - A99 ER - TY - JOUR A1 - Chen, Duote A1 - Manley, Phillip A1 - Tockhorn, Philipp A1 - Eisenhauer, David A1 - Köppel, Grit A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Albrecht, Steve A1 - Becker, Christiane A1 - Jäger, Klaus T1 - Nanophotonic Light Management for Perovskite-Silicon Tandem Solar Cells JF - J. Photonics Energy Y1 - 2018 U6 - https://doi.org/10.1117/1.JPE.8.022601 VL - 8 SP - 022601 ER - TY - JOUR A1 - Becker, Christiane A1 - Lockau, Daniel A1 - Sontheimer, Tobias A1 - Schubert-Bischoff, Peter A1 - Rudigier-Voigt, Eveline A1 - Bockmeyer, Matthias A1 - Schmidt, Frank A1 - Rech, Bernd T1 - Large-area 2D periodic crystalline silicon nanodome arrays on nanoimprinted glass exhibiting photonic band structure effects JF - Nanotechnology Y1 - 2012 U6 - https://doi.org/10.1088/0957-4484/23/13/135302 VL - 23 IS - 13 SP - 135302 ER - TY - JOUR A1 - Sontheimer, Tobias A1 - Rudigier-Voigt, Eveline A1 - Bockmeyer, Matthias A1 - Lockau, Daniel A1 - Klimm, Carola A1 - Becker, Christiane A1 - Rech, Bernd T1 - Light harvesting architectures for electron beam evaporated solid phase crystallized Si thin film solar cells JF - Journal of Non-Crystalline Solids Y1 - 2012 U6 - https://doi.org/10.1016/j.jnoncrysol.2011.10.025 VL - 358 IS - 17 SP - 2303 EP - 2307 ER - TY - JOUR A1 - Lockau, Daniel A1 - Sontheimer, Tobias A1 - Becker, Christiane A1 - Rudigier-Voigt, Eveline A1 - Schmidt, Frank A1 - Rech, Bernd T1 - Nanophotonic light trapping in 3-dimensional thin-film silicon architectures JF - Opt. Express Y1 - 2013 U6 - https://doi.org/10.1364/OE.21.000A42 VL - 21 SP - A42 ER - TY - JOUR A1 - Lockau, Daniel A1 - Sontheimer, Tobias A1 - Preidel, Veit A1 - Becker, Christiane A1 - Ruske, Florian A1 - Schmidt, Frank A1 - Rech, Bernd T1 - Optical properties and Limits of a Large-Area Periodic Nanophotonic Light Trapping Design for Polycrystalline Silicon Thin Film Solar Cells JF - MRS Proceedings Y1 - 2013 U6 - https://doi.org/10.1557/opl.2013.28 VL - 1493 SP - 59 EP - 64 ER - TY - CHAP A1 - Jäger, Klaus A1 - Barth, Carlo A1 - Hammerschmidt, Martin A1 - Herrmann, Sven A1 - Burger, Sven A1 - Schmidt, Frank A1 - Becker, Christiane ED - European Society for Quantum Solar Energy Conversion, T1 - Sinusoidal Nanotextures for Enhanced Light Management in Thin-Film Solar Cells T2 - 28th Workshop on Quantum Solar Energy Conversion - (QUANTSOL) Y1 - 2016 ER - TY - JOUR A1 - Barth, Carlo A1 - Burger, Sven A1 - Becker, Christiane T1 - Symmetry-Dependency of Anticrossing Phenomena in Slab-Type Photonic Crystals JF - Opt. Express Y1 - 2016 U6 - https://doi.org/10.1364/OE.24.010931 VL - 24 SP - 10931 ER - TY - JOUR A1 - Barth, Carlo A1 - Probst, Jürgen A1 - Herrmann, Sven A1 - Hammerschmidt, Martin A1 - Becker, Christiane T1 - Numerical characterization of symmetry properties for photonic crystals with hexagonal lattice JF - Proc. SPIE N2 - We present a numerical method to characterize the symmetry properties of photonic crystal (PhC) modes based on field distributions, which themselves can be obtained numerically. These properties can be used to forecast specific features of the optical response of such systems, e.g. which modes are allowed to couple to external radiation fields. We use 2D PhCs with a hexagonal lattice of holes in dielectric as an example and apply our technique to reproduce results from analytical considerations. Further, the method is extended to fully vectorial problems in view of 3D PhCs and PhC slabs, its functionality is demonstrated using test cases and, finally, we provide an efficient implementation. The technique can thus readily be applied to output data of all band structure computation methods or even be embedded – gaining additional information about the mode symmetry. Y1 - 2016 U6 - https://doi.org/10.1117/12.2227094 VL - 9885 SP - 988506 ER - TY - JOUR A1 - Jäger, Klaus A1 - Köppel, Grit A1 - Barth, Carlo A1 - Hammerschmidt, Martin A1 - Herrmann, Sven A1 - Burger, Sven A1 - Schmidt, Frank A1 - Becker, Christiane T1 - Sinusoidal gratings for optimized light management in c-Si thin-film solar cells JF - Proc. SPIE Y1 - 2016 U6 - https://doi.org/10.1117/12.2225459 VL - 9898 SP - 989808 ER - TY - CHAP A1 - Jäger, Klaus A1 - Barth, Carlo A1 - Hammerschmidt, Martin A1 - Herrmann, Sven A1 - Burger, Sven A1 - Schmidt, Frank A1 - Becker, Christiane T1 - Sinusoidal Nanotextures for Coupling Light into c-Si Thin-Film Solar Cells T2 - Light, Energy and the Environement 2015 Y1 - 2015 U6 - https://doi.org/10.1364/PV.2015.PTu4B.3 SP - PTu4B.3 ER - TY - CHAP A1 - Barth, Carlo A1 - Jäger, Klaus A1 - Burger, Sven A1 - Hammerschmidt, Martin A1 - Schmidt, Frank A1 - Becker, Christiane T1 - Design of Photonic Crystals with Near-Surface Field Enhancement T2 - Light, Energy and the Environement 2015 Y1 - 2015 U6 - https://doi.org/10.1364/PV.2015.JTu5A.9 SP - JTu5A.9 ER - TY - JOUR A1 - Preidel, Veit A1 - Lockau, Daniel A1 - Sontheimer, Tobias A1 - Back, Franziska A1 - Rudigier-Voigt, Eveline A1 - Rech, Bernd A1 - Becker, Christiane T1 - Analysis of absorption enhancement in tailor-made periodic polycrystalline silicon microarrays JF - physica status solidi (RRL)-Rapid Research Letters Y1 - 2013 U6 - https://doi.org/10.1002/pssr.201308098 VL - 7 IS - 12 SP - 1045 EP - 1049 PB - WILEY-VCH Verlag ER - TY - JOUR A1 - Becker, Christiane A1 - Amkreutz, Daniel A1 - Sontheimer, Tobias A1 - Preidel, Veit A1 - Lockau, Daniel A1 - Haschke, Jan A1 - Jogschies, Lisa A1 - Klimm, Carola A1 - Merkel, Janis J. A1 - Plocica, Paul A1 - Steffens, Simon A1 - Rech, Bernd T1 - Polycrystalline silicon thin-film solar cells: Status and perspectives JF - Solar Energy Materials and Solar Cells Y1 - 2013 U6 - https://doi.org/10.1016/j.solmat.2013.05.043 VL - 119 SP - 112 EP - 123 ER - TY - JOUR A1 - Sontheimer, Tobias A1 - Preidel, Veit A1 - Lockau, Daniel A1 - Back, Franziska A1 - Rudigier-Voigt, Eveline A1 - Löchel, Bernd A1 - Erko, Alexei A1 - Schmidt, Frank A1 - Schnegg, Alexander A1 - Lips, Klaus A1 - Becker, Christiane A1 - Rech, Bernd T1 - Correlation between structural and opto-electronic characteristics of crystalline Si microhole arrays for photonic light management JF - Journal of Applied Physics Y1 - 2013 U6 - https://doi.org/10.1063/1.4829008 VL - 114 IS - 17 SP - 173513 PB - AIP Publishing ER - TY - JOUR A1 - Lockau, Daniel A1 - Sontheimer, Tobias A1 - Preidel, Veit A1 - Ruske, Florian A1 - Hammerschmidt, Martin A1 - Becker, Christiane A1 - Schmidt, Frank A1 - Rech, Bernd T1 - Advanced microhole arrays for light trapping in thin film silicon solar cells JF - Solar Energy Materials and Solar Cells Y1 - 2014 U6 - https://doi.org/10.1016/j.solmat.2013.11.024 VL - 125 SP - 298 EP - 304 ER - TY - JOUR A1 - Barth, Carlo A1 - Becker, Christiane T1 - Machine learning classification for field distributions of photonic modes JF - Commun. Phys. Y1 - 2018 U6 - https://doi.org/10.1038/s42005-018-0060-1 VL - 1 SP - 58 ER - TY - CHAP A1 - Jäger, Klaus A1 - Jošt, Marko A1 - Sutter, Johannes A1 - Tockhorn, Philipp A1 - Köhnen, Eike A1 - Eisenhauer, David A1 - Manley, Phillip A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Improving Monolithic Perovskite/Silicon Tandem Solar Cells From an Optical Viewpoint T2 - OSA Advanced Photonics Congress Y1 - 2019 U6 - https://doi.org/10.1364/PVLED.2019.PM4C.2 SP - PM4C.2 ER - TY - JOUR A1 - Tockhorn, Philipp A1 - Sutter, Johannes A1 - Colom, Rémi A1 - Kegelmann, Lukas A1 - Al-Ashouri, Amran A1 - Roß, Marcel A1 - Jäger, Klaus A1 - Unold, Thomas A1 - Burger, Sven A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Improved Quantum Efficiency by Advanced Light Management in Nanotextured Solution-Processed Perovskite Solar Cells JF - ACS Photonics Y1 - 2020 U6 - https://doi.org/10.1021/acsphotonics.0c00935 VL - 7 SP - 2589 ER - TY - JOUR A1 - Manley, Phillip A1 - Walde, Sebastian A1 - Hagedorn, Sylvia A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Becker, Christiane T1 - Nanopatterned Sapphire Substrates in Deep-UV LEDs: Is there an Optical Benefit? JF - Opt. Express Y1 - 2020 U6 - https://doi.org/10.1364/OE.379438 VL - 28 SP - 3619 ER - TY - GEN A1 - Becker, Christiane A1 - Jäger, Klaus A1 - Burger, Sven T1 - Nanophotonics for Solar Energy T2 - Sol. Energy Mater. Sol. Cells Y1 - 2021 U6 - https://doi.org/10.1016/j.solmat.2020.110916 VL - 221 SP - 110916 ER - TY - JOUR A1 - Jäger, Klaus A1 - Sutter, Johannes A1 - Hammerschmidt, Martin A1 - Schneider, Philipp-Immanuel A1 - Becker, Christiane T1 - Prospects of light management in perovskite/silicon tandem solar cells JF - Nanophotonics Y1 - 2021 U6 - https://doi.org/10.1515/nanoph-2020-0674 VL - 10 SP - 1991 ER - TY - JOUR A1 - Manley, Phillip A1 - Segantini, Michele A1 - Ahiboz, Doguscan A1 - Hammerschmidt, Martin A1 - Arnaoutakis, Georgios A1 - MacQueen, Rowan W. A1 - Burger, Sven A1 - Becker, Christiane T1 - Double-layer metasurface for enhanced photon up-conversion JF - APL Photon. Y1 - 2021 U6 - https://doi.org/10.1063/5.0040839 VL - 6 SP - 036103 ER - TY - JOUR A1 - Würth, Christian A1 - Manley, Phillip A1 - Voigt, Robert A1 - Ahiboz, Doguscan A1 - Becker, Christiane A1 - Resch-Genger, Ute T1 - Metasurface enhanced sensitized photon upconversion: towards highly efficient low power upconversion applications and nano-scale E-field sensors JF - Nano Lett. Y1 - 2020 U6 - https://doi.org/10.1021/acs.nanolett.0c02548 VL - 20 SP - 6682 ER - TY - CHAP A1 - Barth, Carlo A1 - Roder, Sebastian A1 - Brodoceanu, Daniel A1 - Kraus, Tobias A1 - Burger, Sven A1 - Hammerschmidt, Martin A1 - Schmidt, Frank A1 - Becker, Christiane T1 - Increased fluorescence of PbS quantum dots on photonic crystal slab structures T2 - Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM) Y1 - 2016 SN - 978-1-5108-4796-5 SP - 181 ER - TY - CHAP A1 - Hammerschmidt, Martin A1 - Barth, Carlo A1 - Burger, Sven A1 - Becker, Christiane A1 - Schmidt, Frank T1 - Determining 2D photonic crystal geometries from reflectance spectra with a reduced basis method T2 - Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM) Y1 - 2016 SN - 978-1-5108-4796-5 SP - 281 ER - TY - JOUR A1 - Becker, Christiane A1 - Burger, Sven A1 - Jäger, Klaus T1 - Nanooptische Simulationen für optoelektronische Anwendungen JF - Photonik: Fachzeitschrift für die optischen Technologien Y1 - 2019 SN - 1432-9778 VL - 2019 IS - 2 SP - 42 EP - 45 ER - TY - CHAP A1 - Manley, Phillip A1 - Jäger, Klaus A1 - Tockhorn, Philipp A1 - Burger, Sven A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Optimization of nanostructured high efficiency perovskite/c-Si tandem solar cells via numerical simulation T2 - Proc. SPIE Y1 - 2018 U6 - https://doi.org/10.1117/12.2321240 VL - 10731 SP - 107310B ER - TY - CHAP A1 - Manley, Phillip A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Becker, Christiane ED - Zhoudi, Said ED - Topa, Antonio T1 - Nanophotonic Enhancement of Light Out-Coupling for Deep-UV LEDs T2 - The 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019) Y1 - 2019 SN - 2429-1390 SP - 745 ER - TY - CHAP A1 - Becker, Christiane A1 - Manley, Phillip A1 - Jäger, Klaus A1 - Eisenhauer, David A1 - Sutter, Johannes A1 - Albrecht, Steve A1 - Zheng, Kaibo A1 - Pullerits, Tonu A1 - Burger, Sven ED - Zhoudi, Said ED - Topa, Antonio T1 - Nanophotonic enhanced perovskite-silicon solar cell devices T2 - The 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019) Y1 - 2019 SN - 2429-1390 SP - 858 ER - TY - JOUR A1 - Becker, Christiane A1 - Burger, Sven A1 - Barth, Carlo A1 - Manley, Phillip A1 - Jäger, Klaus A1 - Eisenhauer, David A1 - Köppel, Grit A1 - Chabera, Pavel A1 - Chen, Junsheng A1 - Zheng, Kaibo A1 - Pullerits, Tönu T1 - Nanophotonic enhanced two-photon excited photoluminescence of perovskite quantum dots JF - ACS Photonics Y1 - 2018 U6 - https://doi.org/10.1021/acsphotonics.8b01199 VL - 5 SP - 4668 ER - TY - CHAP A1 - Jäger, Klaus A1 - Manley, Phillip A1 - Eisenhauer, David A1 - Tockhorn, Philipp A1 - Sutter, Johannes A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Light management with sinusoidal nanotextures T2 - Light, Energy and the Environment 2018 Y1 - 2018 U6 - https://doi.org/10.1364/OSE.2018.OT5C.5 SP - OT5C.5 ER - TY - JOUR A1 - Jäger, Klaus A1 - Manley, Phillip A1 - Chen, Duote A1 - Tockhorn, Philipp A1 - Eisenhauer, David A1 - Köppel, Grit A1 - Hammerschmidt, Martin A1 - Burger, Sven A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Antireflective nanotextures for monolithic perovskite-silicon tandem solar cells JF - Proc. SPIE Y1 - 2018 U6 - https://doi.org/10.1117/12.2306142 VL - 10688 SP - 106880A ER - TY - GEN A1 - Jäger, Klaus A1 - Sutter, Johannes A1 - Schneider, Philipp-Immanuel A1 - Hammerschmidt, Martin A1 - Becker, Christiane T1 - Optical simulations of nanotextured perovskite/silicon tandem solar cell T2 - HZB Data Service Y1 - 2021 U6 - https://doi.org/10.5442/ND000005 ER - TY - JOUR A1 - Ahiboz, Doguscan A1 - Andresen, Elina A1 - Manley, Phillip A1 - Resch-Genger, Ute A1 - Würth, Christian A1 - Becker, Christiane T1 - Metasurface-Enhanced Photon Upconversion upon 1550 nm Excitation JF - Adv. Opt. Mater. Y1 - 2021 U6 - https://doi.org/10.1002/adom.202101285 VL - 9 SP - 2101285 ER - TY - JOUR A1 - Tockhorn, Philipp A1 - Sutter, Johannes A1 - Cruz, Alexandros A1 - Wagner, Philipp A1 - Jäger, Klaus A1 - Yoo, Danbi A1 - Lang, Felix A1 - Grischek, Max A1 - Li, Bor A1 - Li, Jinzhao A1 - Shargaieva, Oleksandra A1 - Unger, Eva A1 - Al-Ashouri, Amran A1 - Köhnen, Eike A1 - Stolterfoth, Martin A1 - Neher, Dieter A1 - Schlatmann, Rutger A1 - Rech, Bernd A1 - Stannowski, Bernd A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells JF - Nat. Nanotechnol. Y1 - 2022 U6 - https://doi.org/10.1038/s41565-022-01228-8 VL - 17 SP - 1214 ER - TY - GEN A1 - Hammerschmidt, Martin A1 - Barth, Carlo A1 - Pomplun, Jan A1 - Burger, Sven A1 - Becker, Christiane A1 - Schmidt, Frank T1 - Reconstruction of photonic crystal geometries using a reduced basis method for nonlinear outputs N2 - Maxwell solvers based on the hp-adaptive finite element method allow for accurate geometrical modeling and high numerical accuracy. These features are indispensable for the optimization of optical properties or reconstruction of parameters through inverse processes. High computational complexity prohibits the evaluation of the solution for many parameters. We present a reduced basis method (RBM) for the time-harmonic electromagnetic scattering problem allowing to compute solutions for a parameter configuration orders of magnitude faster. The RBM allows to evaluate linear and nonlinear outputs of interest like Fourier transform or the enhancement of the electromagnetic field in milliseconds. We apply the RBM to compute light-scattering off two dimensional photonic crystal structures made of silicon and reconstruct geometrical parameters. T3 - ZIB-Report - 16-06 KW - finite element method KW - rigorous optical modeling KW - photonic crystals KW - reduced basis method KW - parameter estimation KW - optical metrology Y1 - 2016 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:0297-zib-57249 SN - 1438-0064 ER - TY - CHAP A1 - Jäger, Klaus A1 - Sutter, Johannes A1 - Tockhorn, Philipp A1 - Hammerschmidt, Martin A1 - Schneider, Philipp-Immanuel A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Improving perovskite/silicon tandem solar cells with optical simulations T2 - Proc. SPIE Y1 - 2022 U6 - https://doi.org/10.1117/12.2621255 VL - PC12150 SP - PC1215001 ER - TY - CHAP A1 - Ahiboz, Doguscan A1 - Andresen, Elina A1 - Manley, Phillip A1 - Resch Genger, Ute A1 - Würth, Christian A1 - Becker, Christiane T1 - Enhanced Photon Upconversion Using Erbium-Doped Nanoparticles Interacting with Silicon Metasurfaces T2 - IEEE 48th Photovoltaic Specialists Conference (PVSC) Y1 - 2021 U6 - https://doi.org/10.1109/PVSC43889.2021.9518495 SP - 2008 EP - 2010 ER - TY - JOUR A1 - Lopez-Fraguas, Eduardo A1 - Binkowski, Felix A1 - Burger, Sven A1 - Hagedorn, Sylvia A1 - Garcia-Camara, Braulio A1 - Vergaz, Ricardo A1 - Becker, Christiane A1 - Manley, Phillip T1 - Tripling the light extraction efficiency of a deep ultraviolet LED using a nanostructured p-contact JF - Sci. Rep. Y1 - 2022 U6 - https://doi.org/10.1038/s41598-022-15499-7 VL - 12 SP - 11480 ER - TY - CHAP A1 - Tockhorn, Philipp A1 - Sutter, Johannes A1 - Cruz, Alexandros A1 - Wagner, Philipp A1 - Jäger, Klaus A1 - Yoo, Danbi A1 - Lang, Felix A1 - Grischek, Max A1 - Li, Bor A1 - Al-Ashouri, Amran A1 - Köhnen, Eike A1 - Stolterfoht, Martin A1 - Neher, Dieter A1 - Schlatmann, Rutger A1 - Rech, Bernd A1 - Stannowski, Bernd A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Nanooptically Enhanced Perovskite/Silicon Tandem Solar Cells with 29.80% Power Conversion Efficiency T2 - OSA Adv. Photonics Y1 - 2022 U6 - https://doi.org/10.1364/NOMA.2022.JTu4H.2 SP - JTu4H.2 ER - TY - JOUR A1 - Tillmann, Peter A1 - Bläsi, Benedikt A1 - Burger, Sven A1 - Hammerschmidt, Martin A1 - Höhn, Oliver A1 - Becker, Christiane A1 - Jäger, Klaus T1 - Optimizing metal grating back reflectors for III-V-on-silicon multijunction solar cells JF - Opt. Express Y1 - 2021 U6 - https://doi.org/10.1364/OE.426761 VL - 29 SP - 22517 ER - TY - JOUR A1 - Jäger, Klaus A1 - Tillmann, Peter A1 - Katz, Eugene A. A1 - Becker, Christiane T1 - Perovskite/silicon tandem solar cells: Effect of luminescent coupling and bifaciality JF - Sol. RRL Y1 - 2021 U6 - https://doi.org/10.1002/solr.202000628 VL - 5 SP - 2000628 ER - TY - CHAP A1 - Jäger, Klaus A1 - Tillmann, Peter A1 - Katz, Eugene A. A1 - Becker, Christiane T1 - Simulating bifacial perovskite/silicon tandem solar cells in large PV fields T2 - OSA Advanced Photonics Congress Y1 - 2020 U6 - https://doi.org/10.1364/PVLED.2020.PvTh1G.3 SP - PvTh1G.3 ER - TY - JOUR A1 - Tillmann, Peter A1 - Jäger, Klaus A1 - Becker, Christiane T1 - Minimising levelised cost of electricity of bifacial solar panel arrays using Bayesian optimisation JF - Sustain. Energy Fuels Y1 - 2020 U6 - https://doi.org/10.1039/C9SE00750D VL - 4 SP - 254 ER - TY - JOUR A1 - Jäger, Klaus A1 - Tillmann, Peter A1 - Becker, Christiane T1 - Detailed illumination model for bifacial solar cells JF - Opt. Express Y1 - 2020 U6 - https://doi.org/10.1364/OE.383570 VL - 28 SP - 4751 ER - TY - JOUR A1 - Yoo, Danbi A1 - Tillmann, Peter A1 - Krauss, Tobias A1 - Sutter, Johannes A1 - Harter, Angelika A1 - Trofimov, Sergei A1 - Naydenov, Boris A1 - Jäger, Klaus A1 - Hauser, Hubert A1 - Becker, Christiane T1 - Comparative Optical Analysis of Imprinted Nano-, Micro- and Biotextures on Solar Glasses for Increased Energy Yield JF - Solar RRL Y1 - 2023 U6 - https://doi.org/10.1002/solr.202300071 VL - 7 SP - 2300071 ER - TY - CHAP A1 - Tillmann, Peter A1 - Jäger, Klaus A1 - Katz, Eugene A1 - Becker, Christiane T1 - Relaxed current-matching constraints by bifacial operation and luminescent coupling in perovskite/silicon tandem solar cells T2 - 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC) Y1 - 2021 U6 - https://doi.org/10.1109/PVSC43889.2021.9518891 SP - 1086 ER - TY - JOUR A1 - Tillmann, Peter A1 - Jäger, Klaus A1 - Karsenti, Asher A1 - Kreinin, Lev A1 - Becker, Christiane T1 - Model-Chain Validation for Estimating the Energy Yield of Bifacial Perovskite/Silicon Tandem Solar Cells JF - Sol. RRL Y1 - 2022 U6 - https://doi.org/10.1002/solr.202200079 VL - 6 SP - 2200079 ER - TY - CHAP A1 - Jäger, Klaus A1 - Berwig, Sebastian A1 - Kurpiers, Jona A1 - Yang, Fengjiu A1 - Tockhorn, Philipp A1 - Albrecht, Steve A1 - Becker, Christiane T1 - Optical Simulations of Perovskite/Perovskite Tandem Solar Cells T2 - Integrated Photonics Research, Silicon and Nanophotonics Y1 - 2023 U6 - https://doi.org/10.1364/IPRSN.2023.JM4D.3 SP - JM4D.3 ER - TY - JOUR A1 - Schaible, Jonas A1 - Nouri, Bijan A1 - Höpken, Lars A1 - Kotzab, Tim A1 - Loevenich, Matthias A1 - Blum, Niklas A1 - Hammer, Annette A1 - Stührenberg, Jonas A1 - Jäger, Klaus A1 - Becker, Christiane A1 - Wilbert, Stefan T1 - Application of nowcasting to reduce the impact of irradiance ramps on PV power plants JF - EPJ Photovolt. Y1 - 2024 U6 - https://doi.org/10.1051/epjpv/2024009 VL - 15 SP - 15 ER -