Niels Gregersen

Niels Gregersen

Lektor

DTU FOTONIK
Institut for Fotonik

Quantum and Laser Photonics

Danmarks Tekniske Universitet

Ørsteds Plads

Bygning 345A, rum 274

2800 Kgs. Lyngby

Tlf.
Fax 45 93 65 81
E-mail ngre@fotonik.dtu.dk
ORCID 0000-0002-8252-8989
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2017
 

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 journal: Nano Letters (ISSN: 1530-6984), 2017

Type: Journal article (Peer reviewed)

Status: Submitted     |    År: 2017

  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: Journal of the Optical Society of America A (ISSN: 0740-3232) (DOI: http://dx.doi.org/10.1364/JOSAA.34.001632), vol: 34, issue: 9, pages: 1632-1641, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1364/JOSAA.34.001632

  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 , 2017, Tokyo

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 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 (ISBN: 978-1-5386-0858-6), 2017, IEEE,
Presented at:
19th International Conference on Transparent Optical Networks, 2017, Girona

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1109/ICTON.2017.8024813

  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, 2017, Lyngby

Type: Poster

Status: Published     |    År: 2017

  PDF

Efficient Modeling of Excitons in Type-II Nanowire Quantum Dots - Presented at: CLEO®/Europe-EQEC 2017, 2017, Munich

Taherkhani, Masoomeh ; Gregersen, Niels ; Mørk, Jesper ; Willatzen, Morten
Presented at:
No title found for this event

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    År: 2017

 

Ultra-Low Power Optical Transistor Using a Single Quantum Dot Embedded in a Photonic Wire

Nguyen, H.A. ; Grange, T. ; Malik, N.S. ; Dupuy, E. ; Tumanov, D. ; de Assis, P.L. ; Yeo, I. ; Fratini, F. ; Gregersen, Niels ; Auffeves, A. ; Claudon, J. ; Poizat, J. P.
part of: Quantum Information and Measurement 2017 (ISBN: 978-1-943580-26-2), 2017, Optical Society of America OSA,
Presented at:
Quantum Information and Measurement 2017, 2017, Paris

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1364/QIM.2017.QT2B.2

 

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,
Presented at:
CLEO®/Europe-EQEC 2017, 2017, Munich

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1109/CLEOE-EQEC.2017.8087750

 

Type-II Quantum Dot Nanowire Structures with Large Oscillator Strengths for Optical Quantum Gating Applications

Taherkhani, Masoomeh ; Gregersen, Niels ; Willatzen, Morten ; Mørk, Jesper
part of: Proceedings of NUSOD 2017 (ISBN: 978-1-5090-5323-0), pages: 7-8, 2017,
Presented at:
17th International Conference on. Numerical Simulation of Optoelectronic Devices, 2017, Lyngby

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 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) , 2017, Kgs. Lyngby

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1109/NUSOD.2017.8010005