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 +45 45 93 65 81
E-mail ngre@fotonik.dtu.dk
ORCID 0000-0002-8252-8989
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2018
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Giant nonlinear interaction between two optical beams via a quantum dot embedded in a photonic wire

Nguyen, H.A. ; Grange, T. ; Reznychenko, B. ; Yeo, I. ; de Assis, P.L. ; Tumanov, D. ; Fratini, F. ; Malik, N. S. ; Dupuy, E. ; Gregersen, Niels ; Auffeves, A. ; Gérard, J-M. ; Claudon, J. ; Poizat, Jean-Philippe
in: Physical Review B (Condensed Matter and Materials Physics), vol: 97

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1103/PhysRevB.97.201106

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Giant Two-Mode Non-linearity Using a Single Quantum Dot Embedded in a Photonic Wire.

Nguyen, H.A. ; Grange, T. ; Reznychenko, B. ; Yeo, I. ; de Assis, P.L. ; Tumanov, D. ; Fratini, F. ; Malik, N.S. ; Dupuy, E. ; Gregersen, Niels ; Auffeves, A. ; Gerard, J.M. ; Claudon, J. ; Poizat, J.P.
Presented at:
20th International Conference on Superlattices, Nanostructures and Nanodevices

Type: Paper (Peer reviewed)

Status: Published     |    Year: 2018

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High quality factor GaAs microcavity with buried bullseye defects

Winkler, K. ; Gregersen, Niels ; Hayrynen, T. ; Bradel, B. ; Schade, A. ; Emmerling, M. ; Kamp, M. ; Höfling, S. ; Schneider, C.
in: Physical Review Materials, vol: 2, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1103/PhysRevMaterials.2.052201

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Intrinsic and environmental effects on the interference properties of a high-performance quantum dot single-photon source

Gerhardt, Stefan ; Iles-Smith, Jake ; McCutcheon, Dara ; He, Yu-Ming ; Unsleber, Sebastian ; Betzold, Simon ; Gregersen, Niels ; Mørk, Jesper ; Höfling, Sven ; Schneider, Christian
in: Physical Review B (Condensed Matter and Materials Physics), vol: 97

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1103/PhysRevB.97.195432

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Which Computational Methods Are Good for Analyzing Large Photonic Crystal Membrane Cavities?

Malureanu, Radu ; 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 the 20th Anniversary International Conference on Transparent Optical Networks, 2018, IEEE
Presented at:
20th Anniversary International Conference on Transparent Optical Networks

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1109/ICTON.2018.8473951

2017
 

Benchmarking five computational methods for analyzing large photonic crystal membrane cavities

Gregersen, Niels ; de Lasson, Jakob Rosenkrantz ; Frandsen, Lars Hagedorn ; Häyrynen, Teppo ; Lavrinenko, Andrei ; Mørk, Jesper ; Wang, Fengwen ; Sigmund, Ole ; Kim, Oleksiy S. ; Breinbjerg, Olav ; Ivinskaya, Aliaksandra ; Gutsche, Philipp ; Burger, Sven
part of: Proceedings of the 2017 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), pages: 89-90, 2017, IEEE
Presented at:
17th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD17)

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1109/NUSOD.2017.8010005

 

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

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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