Niels Gregersen

Niels Gregersen

Associate Professor

DTU FOTONIK
Department of Photonics Engineering

Quantum and Laser Photonics

Technical University of Denmark

Ørsteds Plads

Building 345A, room 274

2800 Kgs. Lyngby

Ph.
Fax +4545 93 65 81
E-mail ngre@fotonik.dtu.dk
ORCID 0000-0002-8252-8989
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2017
 

Comparison of Five Computational Methods for Computing Q Factors in Photonic Crystal Membrane Cavities

Novitsky, Andrey ; de Lasson, Jakob Rosenkrantz ; Frandsen, Lars Hagedorn ; Gutsche, Philipp ; Burger, Sven ; Kim, Oleksiy S. ; Breinbjerg, Olav ; Ivinskaya, Aliaksandra ; Wang, Fengwen ; Sigmund, Ole ; Häyrynen, Teppo ; Lavrinenko, Andrei ; Mørk, Jesper ; Gregersen, Niels
part of: Proceedings of 19th International Conference on Transparent Optical Networks, 2017, IEEE
Presented at:
19th International Conference on Transparent Optical Networks

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1109/ICTON.2017.8024813

 

Comparison of Five Numerical Methods for Computing Quality Factors and Resonance Wavelengths in Photonic Crystal Membrane Cavities

Gregersen, Niels ; de Lasson, Jakob Rosenkrantz ; Frandsen, Lars Hagedorn ; Kim, Oleksiy S. ; Breinbjerg, Olav ; Wang, Fengwen ; Sigmund, Ole ; Ivinskaya, Aliaksandra ; Lavrinenko, Andrei ; Gutsche, Philipp ; Burger, Sven ; Häyrynen, Teppo ; Mørk, Jesper
part of: Proceedings of CLEO®/Europe-EQEC 2017, 2017, IEEE
Presented at:
The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1109/CLEOE-EQEC.2017.8087750

  PDF

Determination of radial quantum dot position in trumpet nanowires from far field measurements

Østerkryger, Andreas Dyhl ; Gregersen, Niels ; Fons, Romain ; Stepanov, Petr ; Jakubczyk, Tomasz ; Bleuse, Jöel ; Gérard, Jean-Michel ; Claudon, Julien
Presented at:
17th International Conference on Numerical Simulation of Optoelectronic Devices

Type: Poster

Status: Published     |    Year: 2017

  PDF

Enhanced Photon Extraction from a Nanowire Quantum Dot Using a Bottom-Up Photonic Shell

Jeannin, Mathieu ; Cremel, Thibault ; Häyrynen, Teppo ; Gregersen, Niels ; Bellet-Amalric, Edith ; Nogues, Gilles ; Kheng, Kuntheak
in: Physical Review Applied, vol: 8, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1103/PhysRevApplied.8.054022

  PDF

Modeling open nanophotonic systems using the Fourier modal method: Generalization to 3D Cartesian coordinates

Häyrynen, Teppo ; Østerkryger, Andreas Dyhl ; de Lasson, Jakob Rosenkrantz ; Gregersen, Niels
in: Journal of the Optical Society of America A, vol: 34, issue: 9, pages: 1632-1641

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1364/JOSAA.34.001632

 

Modelling open nanophotonic structures using the Fourier modal method in infinite domains

Østerkryger, Andreas Dyhl ; Häyrynen, Teppo ; de Lasson, Jakob Rosenkrantz ; Gregersen, Niels
part of: 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2017, IEEE
Presented at:
The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1109/CLEOE-EQEC.2017.8087723

  PDF

On the Theory of Coupled Modes in Optical Cavity-Waveguide Structures

Kristensen, Philip Trøst ; de Lasson, Jakob Rosenkrantz ; Heuck, Mikkel ; Gregersen, Niels ; Mørk, Jesper
in: Journal of Lightwave Technology, vol: 35, issue: 19, pages: 4247-4259

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1109/JLT.2017.2714263

 

Optical localization of quantum dots in tapered nanowires

Østerkryger, Andreas Dyhl ; Gregersen, Niels ; Fons, Romain ; Stepanov, Petr ; Jakubczyk, Tomasz ; Bleuse, Joël ; Gérard, Jean-Michel ; Claudon, Julien
part of: Proceedings of the 17th International Conference on Numerical Simulation of Optoelectronic Devices , pages: 119-20, 2017, IEEE
Presented at:
17th International Conference on Numerical Simulation of Optoelectronic Devices

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1109/NUSOD.2017.8010020

  PDF

Single-photon sources for quantum technologies - Results of the joint research project SIQUTE

Kück, S. ; López, M. ; Rodiek, B. ; Hofer, H. ; Porrovecchio, G. ; Šmid, M. ; Brida, G. ; Traina, P. ; Degiovanni, I. P. ; Pokatilov, A. ; Kübarsepp, T. ; Manninen, A. ; Vaigu, A. ; Chunnilall, C. ; Szwer, D. ; Polyakov, S. ; Claudon, J. ; Gregersen, Niels ; Mørk, Jesper ; Chu, X-L. ; Götzinger, S. ; Lindner, S. ; Bock, M. ; Becher, C. ; Reitzenstein, S.
part of: Proceedings of 13th International Conference on New Developments and Applications in Optical Radiometry , 2017
Presented at:
13th International Conference on New Developments and Applications in Optical Radiometry

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017