Rasmus E. Christiansen
Rasmus E. Christiansen
Associate Professor, Technical University of Denmark
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Inverse design in photonics by topology optimization: tutorial
RE Christiansen, O Sigmund
JOSA B 38 (2), 496-509, 2021
Maximizing the quality factor to mode volume ratio for ultra-small photonic crystal cavities
F Wang, RE Christiansen, Y Yu, J Mørk, O Sigmund
Applied Physics Letters 113 (24), 2018
Topological Insulators by Topology Optimization
RE Christiansen, F Wang, O Sigmund
Physical Review Letters 122 (23), 234502, 2019
Creating geometrically robust designs for highly sensitive problems using topology optimization: Acoustic cavity design
RE Christiansen, BS Lazarov, JS Jensen, O Sigmund
Structural and Multidisciplinary Optimization 52, 737-754, 2015
Designing photonic topological insulators with quantum-spin-Hall edge states using topology optimization
RE Christiansen, F Wang, O Sigmund, S Stobbe
Nanophotonics, 2019
A non-linear material interpolation for design of metallic nano-particles using topology optimization
RE Christiansen, J Vester-Petersen, SP Madsen, O Sigmund
Computer Methods in Applied Mechanics and Engineering 343, 23-39, 2019
Designing meta material slabs exhibiting negative refraction using topology optimization
RE Christiansen, O Sigmund
Structural and Multidisciplinary Optimization 54, 469-482, 2016
Nanometer-scale photon confinement in topology-optimized dielectric cavities
M Albrechtsen, B Vosoughi Lahijani, RE Christiansen, VTH Nguyen, ...
Nature Communications 13 (1), 6281, 2022
Fullwave Maxwell inverse design of axisymmetric, tunable, and multi-scale multi-wavelength metalenses
RE Christiansen, Z Lin, C Roques-Carmes, Y Salamin, SE Kooi, ...
Optics Express 28 (23), 33854-33868, 2020
Computational inverse design for ultra-compact single-piece metalenses free of chromatic and angular aberration
Z Lin, C Roques-Carmes, RE Christiansen, M Soljačić, SG Johnson
Applied Physics Letters 118 (4), 2021
Compact 200 line MATLAB code for inverse design in photonics by topology optimization: tutorial
RE Christiansen, O Sigmund
JOSA B 38 (2), 510-520, 2021
Experimental validation of systematically designed acoustic hyperbolic meta material slab exhibiting negative refraction
RE Christiansen, O Sigmund
Applied Physics Letters 109 (10), 2016
Inverse design of nanoparticles for enhanced Raman scattering
RE Christiansen, J Michon, M Benzaouia, O Sigmund, SG Johnson
Optics Express 28 (4), 4444-4462, 2020
Improving the efficiency of solar cells by upconverting sunlight using field enhancement from optimized nano structures
P Balling, J Christiansen, RE Christiansen, E Eriksen, H Lakhotiya, ...
Optical Materials 83, 279-289, 2018
Observation of strong backscattering in valley-Hall photonic topological interface modes
CA Rosiek, G Arregui, A Vladimirova, M Albrechtsen, B Vosoughi Lahijani, ...
Nature Photonics, 1-7, 2023
Toward 3D-printed inverse-designed metaoptics
C Roques-Carmes, Z Lin, RE Christiansen, Y Salamin, SE Kooi, ...
ACS Photonics 9 (1), 43-51, 2022
Topology optimized gold nanostrips for enhanced near-infrared photon upconversion
J Vester-Petersen, RE Christiansen, B Julsgaard, P Balling, O Sigmund, ...
Applied Physics Letters 111 (13), 2017
Strongly enhanced upconversion in trivalent erbium ions by tailored gold nanostructures: toward high-efficient silicon-based photovoltaics
J Christiansen, J Vester-Petersen, S Roesgaard, SH Møller, ...
Solar Energy Materials and Solar Cells 208, 110406, 2020
Dose regularization via filtering and projection: An open-source code for optimization-based proximity-effect-correction for nanoscale lithography
EH Eriksen, A Nazir, P Balling, J Vester-Petersen, RE Christiansen, ...
Microelectronic Engineering 199, 52-57, 2018
Experimental validation of a topology optimized acoustic cavity
RE Christiansen, O Sigmund, E Fernandez-Grande
The Journal of the Acoustical Society of America 138 (6), 3470-3474, 2015
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