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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2017
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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     |    Year: 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     |    Year: 2017     |    DOI: http://dx.doi.org/10.1109/ICTON.2017.8024813

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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, 2017, Lyngby

Type: Poster

Status: Published     |    Year: 2017

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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     |    Year: 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     |    Year: 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     |    Year: 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     |    Year: 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     |    Year: 2017     |    DOI: http://dx.doi.org/10.1109/NUSOD.2017.8010005

2016
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Ultra-low power all-optical switch 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. ; Gerard, J.M. ; Claudon, J.
Presented at:
Wilhelm und Else Heraeus-Seminar, 2016, Bad Honnef

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Efficient formalism for treating tapered structures using the Fourier modal method

Østerkryger, Andreas Dyhl ; Gregersen, Niels
part of: Proceedings of SPIE, 2016, SPIE - International Society for Optical Engineering,
Presented at:
Optical Modelling and Design IV, 2016, Brussels

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1117/12.2225582