Rasmus Ellebæk Christiansen

Rasmus Ellebæk Christiansen

Postdoc

DTU MECHANICAL ENGINEERING
Department of Mechanical Engineering

Section of Solid Mechanics

Technical University of Denmark

Nils Koppels Allé

Building 404, room 126

2800 Kgs. Lyngby

Ph.
Fax +45 45 25 19 61
E-mail raelch@mek.dtu.dk
ORCID 0000-0003-4969-9062
Home page

Request a vCard via e-mail.

Publications
Projects
Activities
DTU news
Loading

Publications rss feed

2020
 

Improving the efficiency of upconversion by light concentration using nanoparticle design

Madsen, S. P. ; Christiansen, J. ; Christiansen, Rasmus Ellebæk ; Vester-Petersen, J. ; Møller, S. H. ; Lakhotiya, H. ; Nazir, A. ; Eriksen, E. ; Roesgaard, S. ; Sigmund, Ole ; Lissau, J. S. ; Destouesse, E. ; Madsen, M. ; Julsgaard, B. ; Balling, P.
in: Journal of Physics D: Applied Physics, vol: 53, issue: 7

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/1361-6463/ab5553

 

Strongly enhanced upconversion in trivalent erbium ions by tailored gold nanostructures: Toward high-efficient silicon-based photovoltaics

Christiansen, Jeppe ; Vester-Petersen, Joakim ; Roesgaard, Søren ; Møller, Søren H. ; Christiansen, Rasmus E. ; Sigmund, Ole ; Madsen, Søren Peder ; Balling, Peter ; Julsgaard, Brian
in: Solar Energy Materials and Solar Cells, vol: 208

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1016/j.solmat.2020.110406

2019
  PDF

Acoustic and photonic topological insulators by topology optimization

Christiansen, Rasmus E. ; Wang, Fengwen ; Stobbe, Søren ; Sigmund, Ole
part of: Proceedings of SPIE - Metamaterials, Metadevices, and Metasystems 2019, 2019, SPIE - International Society for Optical Engineering
Presented at:
SPIE Nanoscience + Engineering 2019

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1117/12.2528504

 

A non-linear material interpolation for design of metallic nano-particles using topology optimization

Christiansen, Rasmus E. ; Vester-Petersen, Joakim ; Madsen, Søren Peder ; Sigmund, Ole
in: Computer Methods in Applied Mechanics and Engineering, vol: 343, pages: 23-39

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.cma.2018.08.034

  PDF

Designing Manufacturable Photonic and Plasmonic Structures using Topology Optimization

Christiansen, Rasmus Ellebæk ; Sigmund, Ole
Presented at:
2019 IEEE MITT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO2019)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2019

  PDF

Designing photonic topological insulators with quantum-spin-Hall edge states using topology optimization

Christiansen, Rasmus E. ; Wang, Fengwen ; Sigmund, Ole ; Stobbe, Søren
in: Nanophotonics, vol: 8, issue: 8, pages: 1363-1369

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1515/nanoph-2019-0057

  PDF

Design of Photonic Topological Insulators Using Density Based Topology Optimization

Christiansen, Rasmus E. ; Wang, Fengwen ; Sigmund, Ole ; Stobbe, Søren
Presented at:
10th International Conference on Metamaterials, Photonic Crystals and Plasmonics

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2019

  PDF

Photonic cavity design by topology optimization

Christiansen, Rasmus E. ; Wang, Fengwen ; Mørk, Jesper ; Sigmund, Ole
part of: Proceedings of SPIE - Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVI, 2019, SPIE - International Society for Optical Engineering
Presented at:
SPIE Nanoscience + Engineering 2019

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1117/12.2529099

 

Systematic Design of Photonic Crystal Cavities with Ultra-Low Modal Volume Considering Different Fabrication Resolutions

Wang, Fengwen ; Christiansen, Rasmus Ellebæk ; Mørk, Jesper ; Sigmund, Ole
part of: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2019, IEEE
Presented at:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1109/CLEOE-EQEC.2019.8871501

  PDF

Topological Insulators by Topology Optimization

Christiansen, Rasmus E. ; Wang, Fengwen ; Sigmund, Ole
in: Physical Review Letters, vol: 122, issue: 23

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1103/PhysRevLett.122.234502