Integrated optical cavities like guided mode resonance filters (GMRF) allow for new functionalities in integrated optical setups. Cavity-resonator-integrated guided-mode...
This project aims to advance optical materials for photovoltaics and photonics, with textures on nanometer scales. To do this, we perform rigorous 3D simulations for...
Optical Simulations of Nanotextured All-Perovskite Tandem Solar Cells
Adv. Theory Simul., p. 2400724, 2024 (epub ahead of print)
Klaus Jäger, Alvarjo Tejada, Sebastian Berwig, Martin Hammerschmidt, Philipp Tockhorn, Steve Albrecht, Christiane Becker
BibTeX DOI
Modeling of surface-induced second-harmonic generation from multilayer structures by the transfer matrix method
Opt. Express, Vol.29, p. 9098, 2021
Anton V. Pakhomov, Martin Hammerschmidt, Sven Burger, Thomas Pertsch, Frank Setzpfand
BibTeX DOI
Optimizing metal grating back reflectors for III-V-on-silicon multijunction solar cells
Opt. Express, Vol.29, p. 22517, 2021
Peter Tillmann, Benedikt Bläsi, Sven Burger, Martin Hammerschmidt, Oliver Höhn, Christiane Becker, Klaus JägerBibTeX DOI
Efficient Bayesian inversion for shape reconstruction of lithography masks
J. Micro/Nanolith. MEMS MOEMS, Vol.19, p. 024001, 2020
Nando Farchmin, Martin Hammerschmidt, Philipp-Immanuel Schneider, Matthias Wurm, Bernd Bodermann, Markus Bär, Sebastian Heidenreich
BibTeX DOI
Extracting dimensional parameters of gratings produced with self-aligned multiple patterning using grazing-incidence small-angle x-ray scattering
J. Micro Nanolithogr. MEMS MOEMS, Vol.19, p. 014001, 2020
Mika Pflüger, R. Joseph Kline, Analia Fernández Herrero, Martin Hammerschmidt, Victor Soltwisch, Michael Krumrey
BibTeX DOI arXiv
Extracting dimensional parameters of gratings produced with self-aligned multiple patterning using grazing-incidence small-angle x-ray scattering [Source Code]
2020
Mika Pflüger, R Joseph Kline, Analía Fernández Herrero, Martin Hammerschmidt, Victor Soltwisch, Michael Krumrey
BibTeX DOI
Far-field polarization signatures of surface optical nonlinearity in noncentrosymmetric semiconductors
Sci. Rep., Vol.10, p. 10545, 2020
Anton Pakhomov, Franz Löchner, Lin Zschiedrich, Sina Saravi, Martin Hammerschmidt, Sven Burger, Thomas Pertsch, Frank Setzpfand
BibTeX DOI
Field Heterogeneities and Their Impact on Photocatalysis: Combining Optical and Kinetic Monte Carlo Simulations on the Nanoscale
J. Phys. Chem. C, Vol.124, p. 3177, 2020 (preprint available as ZIB-Report 17-20)
Martin Hammerschmidt, Sandra Döpking, Sven Burger, Sebastian Matera
PDF (ZIB-Report) BibTeX DOI
Nanopatterned Sapphire Substrates in Deep-UV LEDs: Is there an Optical Benefit?
Opt. Express, Vol.28, p. 3619, 2020
Phillip Manley, Sebastian Walde, Sylvia Hagedorn, Martin Hammerschmidt, Sven Burger, Christiane Becker
BibTeX DOI
Benchmarking five global optimization approaches for nano-optical shape optimization and parameter reconstruction
ACS Photonics, Vol.6, p. 2726, 2019
Philipp-Immanuel Schneider, Xavier Garcia Santiago, Victor Soltwisch, Martin Hammerschmidt, Sven Burger, Carsten Rockstuhl
BibTeX DOI arXiv
Decomposition of scattered electromagnetic fields into vector spherical wave functions on surfaces with general shapes
Phys. Rev. B, Vol.99, p. 045406, 2019
Xavier Garcia Santiago, Martin Hammerschmidt, Sven Burger, Carsten Rockstuhl, Ivan Fernandez-Corbaton, Lin ZschiedrichBibTeX DOI arXiv
Efficient global sensitivity analysis for silicon line gratings using polynomial chaos
Proc. SPIE, Vol.11057, p. 110570J, 2019
Nando Farchmin, Martin Hammerschmidt, Philipp-Immanuel Schneider, Matthias Wurm, Markus Bär, Sebastian Heidenreich
BibTeX DOI
Grazing incidence x-ray fluorescence based characterization of nanostructures for element sensitive profile reconstruction
Proc. SPIE, Vol.11057, p. 110570M, 2019
Anna Andrle, Philipp Hönicke, Philipp-Immanuel Schneider, Yves Kayser, Martin Hammerschmidt, Sven Burger, Frank Scholze, Burkhard Beckhoff, Victor Soltwisch
BibTeX DOI arXiv
Nanophotonic Enhancement of Light Out-Coupling for Deep-UV LEDs
The 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019), Said Zhoudi, Antonio Topa (Eds.), p. 745, 2019
Phillip Manley, Martin Hammerschmidt, Sven Burger, Christiane Becker
BibTeX
Antireflective nanotextures for monolithic perovskite-silicon tandem solar cells
Proc. SPIE, Vol.10688, p. 106880A, 2018
Klaus Jäger, Phillip Manley, Duote Chen, Philipp Tockhorn, David Eisenhauer, Grit Köppel, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker
BibTeX DOI arXiv
Efficient finite-element-based numerical modelling of large sub-wavelength patterned optical structures
Proc. SPIE, Vol.10542, p. 105421G, 2018
Martin Hammerschmidt, Jakub Pabisiak, Ana Cristina Perez-Gea, Nicolas Julian, Sean Hon, Sven BurgerBibTeX DOI
Light management with sinusoidal nanotextures
Light, Energy and the Environment 2018, p. OT5C.5, OSA Technical Digest, 2018
Klaus Jäger, Phillip Manley, David Eisenhauer, Philipp Tockhorn, Johannes Sutter, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker
BibTeX DOI
Nanophotonic Light Management for Perovskite-Silicon Tandem Solar Cells
J. Photonics Energy, Vol.8, p. 022601, 2018
Duote Chen, Phillip Manley, Philipp Tockhorn, David Eisenhauer, Grit Köppel, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker, Klaus JägerBibTeX DOI arXiv
On accurate simulations of thin-film solar cells with a thick glass superstrate
Opt. Express, Vol.26, p. A99, 2018
Klaus Jäger, Grit Köppel, Martin Hammerschmidt, Sven Burger, Christiane Becker
BibTeX DOI
Accurate optical simulations of periodic nanostructures on a thick glass substrate
29th Workshop on Quantum Solar Energy Conversion - (QUANTSOL), 2017
Klaus Jäger, Grit Köppel, Martin Hammerschmidt, Sven Burger, Christiane Becker
PDF BibTeX
Increased fluorescence of PbS quantum dots in photonic crystals by excitation enhancement
Appl. Phys. Lett., Vol.111, p. 031111, 2017
Carlo Barth, Sebastian Roder, Daniel Brodoceanu, Tobias Kraus, Martin Hammerschmidt, Sven Burger, Christiane Becker
BibTeX DOI arXiv
Optical simulations of advanced light management for liquid-phase crystallized silicon thin-film solar cells
Proc. SPIE, Vol.10356, p. 103560F, 2017
Klaus Jäger, Grit Köppel, David Eisenhauer, Duote Chen, Martin Hammerschmidt, Sven Burger, Christiane Becker
BibTeX DOI
Determining 2D photonic crystal geometries from reflectance spectra with a reduced basis method
Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM), p. 281, 2016, ISBN: 978-1-5108-4796-5
Martin Hammerschmidt, Carlo Barth, Sven Burger, Christiane Becker, Frank Schmidt
BibTeX
Increased fluorescence of PbS quantum dots on photonic crystal slab structures
Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM), p. 181, 2016, ISBN: 978-1-5108-4796-5
Carlo Barth, Sebastian Roder, Daniel Brodoceanu, Tobias Kraus, Sven Burger, Martin Hammerschmidt, Frank Schmidt, Christiane Becker
BibTeX
Numerical characterization of symmetry properties for photonic crystals with hexagonal lattice
Proc. SPIE, Vol.9885, p. 988506, 2016
Carlo Barth, Jürgen Probst, Sven Herrmann, Martin Hammerschmidt, Christiane Becker
BibTeX DOI
On Accurate Simulations of Thin-Film Solar Cells With a Thick Glass Superstrate
Light, Energy and the Environment 2016, p. PM3B.5, OSA Technical Digest, 2016
Klaus Jäger, Martin Hammerschmidt, Grit Köppel, Sven Burger, Christiane Becker
BibTeX DOI
Optical chirality: conservation law in arbitrary space
606. WE-Heraeus-Seminar on Nanophotonics and Complex Spatial Modes of Light, 2016
Philipp Gutsche, Lisa Poulikakos, Sven Burger, Martin Hammerschmidt, Frank Schmidt
BibTeX
Optical simulation of complex nanostructured solar cells with a reduced basis method
Doctoral thesis, Freie Universität Berlin, Frank Schmidt, Bernd Rech, Ralf Kornhuber (Advisors), 2016
Martin HammerschmidtBibTeX URN
Reconstruction of photonic crystal geometries using a reduced basis method for nonlinear outputs
Proc. SPIE, Vol.9756, p. 97561R, 2016 (preprint available as ZIB-Report 16-06)
Martin Hammerschmidt, Carlo Barth, Jan Pomplun, Sven Burger, Christiane Becker, Frank Schmidt
PDF (ZIB-Report) BibTeX DOI URN
Sinusoidal Nanotextures for Enhanced Light Management in Thin-Film Solar Cells
28th Workshop on Quantum Solar Energy Conversion - (QUANTSOL), European Society for Quantum Solar Energy Conversion (Ed.), 2016
Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker
PDF BibTeX
Time-harmonic optical chirality in inhomogeneous space
Proc. SPIE, Vol.9756, p. 97560X, 2016
Philipp Gutsche, Lisa Poulikakos, Martin Hammerschmidt, Sven Burger, Frank Schmidt
BibTeX DOI arXiv
Design of Photonic Crystals with Near-Surface Field Enhancement
Light, Energy and the Environement 2015, p. JTu5A.9, OSA Technical Digest, 2015
Carlo Barth, Klaus Jäger, Sven Burger, Martin Hammerschmidt, Frank Schmidt, Christiane Becker
BibTeX DOI
Sinusoidal Nanotextures for Coupling Light into c-Si Thin-Film Solar Cells
Light, Energy and the Environement 2015, p. PTu4B.3, OSA Technical Digest, 2015
Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker
BibTeX DOI
5 x 5 cm2 silicon photonic crystal slabs on glass and plastic foil exhibiting broadband absorption and high-intensity near-fields
Sci. Rep., Vol.4, p. 5886, 2014
Christiane Becker, Philippe Wyss, David Eisenhauer, Jürgen Probst, Veit Preidel, Martin Hammerschmidt, Sven BurgerBibTeX DOI
A comparison of scattering and non-scattering anti-reflection designs for back contacted polycrystalline thin film silicon solar cells in superstrate configuration
Proc. SPIE, p. 914006, Vol.9140, Photonics for Solar Energy Systems, 2014
Daniel Lockau, Martin Hammerschmidt, Jan Haschke, Mark Blome, Florian Ruske, Frank Schmidt, Bernd Rech
BibTeX DOI
Advanced microhole arrays for light trapping in thin film silicon solar cells
Solar Energy Materials and Solar Cells, Vol.125, pp. 298-304, 2014
Daniel Lockau, Tobias Sontheimer, Veit Preidel, Florian Ruske, Martin Hammerschmidt, Christiane Becker, Frank Schmidt, Bernd Rech
BibTeX DOI
Implications of TCO Topography on Intermediate Reflector Design for a-Si/μc-Si Tandem Solar Cells — Experiments and Rigorous Optical Simulations
IEEE Journal of Photovoltaics, 4(1), pp. 10-15, 2014
Simon Kirner, Martin Hammerschmidt, Christoph Schwanke, Daniel Lockau, Sonya Calnan, Tim Frijnts, Sebastian Neubert, Andreas Schöpke, Frank Schmidt, Jens-Hendrik Zollondz, Andreas Heidelberg, Bernd Stannowski, Bernd Rech, Rutger Schlatmann
BibTeX DOI
Optical modelling of incoherent substrate light-trapping in silicon thin film multi-junction solar cells with finite elements and domain decomposition
Proc. SPIE: Physics and Simulation of Optoelectronic Devices XXII, p. 898007, Vol.8980, 2014 (preprint available as ZIB-Report 14-21)
Martin Hammerschmidt, Daniel Lockau, Lin Zschiedrich, Frank SchmidtPDF (ZIB-Report) BibTeX DOI
FEM-based optical modeling of silicon thin-film tandem solar cells with randomly textured interfaces in 3D
Proc. SPIE, Vol.8620, p. 86201H, 2013
Martin Hammerschmidt, Daniel Lockau, Sven Burger, Frank Schmidt, Christoph Schwanke, Simon Kirner, Sonya Calnan, Bernd Stannowski, Bernd Rech
BibTeX DOI
3D optical modeling of thin-film a-Si/mc-Si tandem solar cells with random textured interfaces using FEM
Renewable Energy and the Environment Optics and Photonics Congress, p. JM5A.15, 2012
Martin Hammerschmidt, Daniel Lockau, Sven Burger, Frank Schmidt, Christoph Schwanke, Simon Kirner, Sonya Calnan, Bernd Stannowski, Bernd Rech
BibTeX DOI
FEM simulations of light extraction from nanostructured organic light-emitting diodes
Renewable Energy and the Environment Optics and Photonics Congress, p. LT2B.5, 2012
Lin Zschiedrich, Horst Greiner, Jan Pomplun, Martin Hammerschmidt, Sven Burger, Frank Schmidt
BibTeX DOI