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
Home page

Request a vCard via e-mail.

Profile
Publications
Projects
Activities
Courses
DTU news
Loading

Publications rss feed

2019
  PDF

High fidelity optical quantum gates based on type II double quantum dots in a nanowire

Taherkhani, Masoomeh ; Willatzen, Morten ; Denning, Emil Vosmar ; Protsenko, Igor E. ; Gregersen, Niels
in: Physical Review B (Condensed Matter and Materials Physics)

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2019

  PDF

High-fidelity optical quantum gates based on type-II double quantum dots in a nanowire

Taherkhani, Masoomeh ; Willatzen, Morten ; Denning, Emil Vosmar ; Protsenko, Igor E. ; Gregersen, Niels
in: Physical Review B (Condensed Matter and Materials Physics), vol: 99, issue: 16

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1103/PhysRevB.99.165305

 

Photonic “hourglass” design for efficient quantum light emission

Østerkryger, Andreas Dyhl ; Claudon, Julien ; Gérard, Jean Michel ; Gregersen, Niels
in: Optics Letters, vol: 44, issue: 11, pages: 2617-2620

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1364/OL.44.002617

 

Strain Tunable Single-Photon Source Based on a Quantum Dot–Micropillar System

Moczała-Dusanowska, Magdalena ; Dusanowski, Łukasz ; Gerhardt, Stefan ; He, Yu Ming ; Reindl, Marcus ; Rastelli, Armando ; Trotta, Rinaldo ; Gregersen, Niels ; Höfling, Sven ; Schneider, Christian
in: ACS Photonics, vol: 6, pages: 2025−2031

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1021/acsphotonics.9b00481

  PDF

Towards optimal single-photon sources from polarized microcavities

Wang, Hui ; He, Yu-Ming ; Chung, Tung Hsun ; Hu, Hai ; Yu, Ying ; Chen, Si ; Ding, Xing ; Chen, Ming-Cheng ; Qin, Jian ; Yang, Xiaoxia ; Liu, Run-Ze ; Duan, Zhao-Chen ; Li, Jin-Peng ; Gerhardt, Stefan ; Winkler, Karol ; Jurkat, J. ; Wang, Lin-Jun ; Gregersen, Niels ; Huo, Yong-Heng ; Dai, Qing ; Yu, Siyuan ; Höfling, Sven ; Lu, Chao-Yang ; Pan, Jian-Wei
in: Nature Photonics

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2019     |    DOI: https://doi.org/10.1038/s41566-019-0494-3

2018
  PDF

Cavity-waveguide interplay in optical resonators and its role in optimal single-photon sources

Denning, Emil ; Iles-Smith, Jake ; Osterkryger, Andreas Dyhl ; Gregersen, Niels ; Mork, Jesper
in: Physical Review B, vol: 98, issue: 12

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1103/PhysRevB.98.121306

 

All-optical mapping of the position of single quantum dots embedded in a nanowire antenna

Fons, Romain ; Østerkryger, Andreas Dyhl ; Stepanov, Petr ; Gautier, Eric ; Bleuse, Joel ; Gerard, Jean-Michel ; Gregersen, Niels ; Claudon, Julien
in: Nano letters, vol: 18, issue: 10, pages: 6434−6440

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1021/acs.nanolett.8b02826

  PDF

Benchmarking five numerical simulation techniques for computing resonance wavelengths and quality factors in photonic crystal membrane line defect cavities

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 V. ; Mørk, Jesper ; Gregersen, Niels
in: Optics Express, vol: 26, issue: 9, pages: 11366-11392

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1364/OE.26.011366

  PDF

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

  PDF

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