Niels Gregersen

4.7k total citations · 3 hit papers
92 papers, 3.2k citations indexed

About

Niels Gregersen is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Biomedical Engineering. According to data from OpenAlex, Niels Gregersen has authored 92 papers receiving a total of 3.2k indexed citations (citations by other indexed papers that have themselves been cited), including 77 papers in Atomic and Molecular Physics, and Optics, 75 papers in Electrical and Electronic Engineering and 29 papers in Biomedical Engineering. Recurrent topics in Niels Gregersen's work include Photonic and Optical Devices (70 papers), Photonic Crystals and Applications (33 papers) and Semiconductor Quantum Structures and Devices (30 papers). Niels Gregersen is often cited by papers focused on Photonic and Optical Devices (70 papers), Photonic Crystals and Applications (33 papers) and Semiconductor Quantum Structures and Devices (30 papers). Niels Gregersen collaborates with scholars based in Denmark, France and Germany. Niels Gregersen's co-authors include Jesper Mørk, Jean‐Michel Gérard, Julien Claudon, J. Bleuse, Nitin S. Malik, Philippe Lalanne, P. Jaffrennou, Christophe Sauvan, Maela Bazin and Sven Höfling and has published in prestigious journals such as Physical Review Letters, Nature Communications and SHILAP Revista de lepidopterología.

In The Last Decade

Niels Gregersen

85 papers receiving 3.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

On-Demand Single Photons with High Extraction Efficiency and Near-Unity Indistinguishability from a Resonantly Driven Quantum Dot in a Micropillar

2016 601 citations Yu He, Niels Gregersen et al. profile →
A highly efficient single-photon source based on a quantum dot in a photonic nanowire

2009 509 citations Julien Claudon, Niels Gregersen et al. profile →
A highly efficient single-photon source based on a quantum dot in a photonic nanowire

2010 460 citations Julien Claudon, Niels Gregersen et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Niels Gregersen Denmark	26	2.6k	2.0k	1.1k	1.0k	399	92	3.2k
Julien Claudon France	26	2.3k 0.9×	1.6k 0.8×	850 0.8×	944 0.9×	345 0.9×	71	2.8k
David J. Thomson United Kingdom	34	2.4k 0.9×	4.8k 2.4×	907 0.8×	559 0.6×	514 1.3×	181	5.0k
Glenn S. Solomon United States	25	2.3k 0.9×	1.4k 0.7×	1.2k 1.1×	409 0.4×	445 1.1×	67	2.7k
Shinji Matsuo Japan	34	2.6k 1.0×	4.0k 2.1×	597 0.5×	760 0.8×	457 1.1×	253	4.6k
Dan Dalacu Canada	30	1.9k 0.7×	1.6k 0.8×	573 0.5×	887 0.9×	467 1.2×	108	2.5k
Christelle Monat Australia	36	3.6k 1.4×	3.9k 2.0×	249 0.2×	1.1k 1.1×	446 1.1×	138	4.5k
Kresten Yvind Denmark	38	3.5k 1.4×	4.4k 2.3×	340 0.3×	824 0.8×	245 0.6×	289	5.0k
Martin Winger United States	11	3.7k 1.4×	2.6k 1.3×	1.1k 0.9×	789 0.8×	391 1.0×	17	4.1k
Tomonari Sato Japan	27	2.2k 0.8×	2.8k 1.4×	324 0.3×	629 0.6×	171 0.4×	135	3.1k
Mher Ghulinyan Italy	24	1.6k 0.6×	1.4k 0.7×	168 0.1×	638 0.6×	651 1.6×	110	2.2k

Countries citing papers authored by Niels Gregersen

Since Specialization

Citations

This map shows the geographic impact of Niels Gregersen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Niels Gregersen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Niels Gregersen more than expected).

Fields of papers citing papers by Niels Gregersen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Niels Gregersen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Niels Gregersen. The network helps show where Niels Gregersen may publish in the future.

Co-authorship network of co-authors of Niels Gregersen

This figure shows the co-authorship network connecting the top 25 collaborators of Niels Gregersen. A scholar is included among the top collaborators of Niels Gregersen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Niels Gregersen. Niels Gregersen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Gregersen, Niels, et al.. (2025). Tunable and Low-Noise WSe 2 Quantum Emitters for Quantum Photonics. PRX Quantum. 6(4). 1 indexed citations

Gregersen, Niels, et al.. (2025). Resonance Fluorescence from a Single Quantum Dot in a Nanopost Optical Cavity. ACS Photonics. 12(7). 3671–3679.

Vannucci, Luca, et al.. (2024). Single-photon emitters in WSe<sub>2</sub>:Critical role of phonons on excitation schemes and indistinguishability. Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU). 6 indexed citations

Holewa, Paweł, Aurimas Sakanas, Paweł Mrowiński, et al.. (2024). High-throughput quantum photonic devices emitting indistinguishable photons in the telecom C-band. Nature Communications. 15(1). 3358–3358. 27 indexed citations

Holewa, Paweł, Martin von Helversen, Aurimas Sakanas, et al.. (2024). On-Demand Generation of Indistinguishable Photons in the Telecom C-Band Using Quantum Dot Devices. ACS Photonics. 11(2). 339–347. 23 indexed citations

Wang, Yujing, Hanqing Liu, Haiqiao Ni, et al.. (2024). GaAs-on-insulator ridge waveguide nanobeam cavities with integrated InAs quantum dots. SHILAP Revista de lepidopterología. 4(2). 25403–25403. 1 indexed citations

Vannucci, Luca, et al.. (2024). Tailoring polarization in WSe2 quantum emitters through deterministic strain engineering. npj 2D Materials and Applications. 8(1). 59–59. 11 indexed citations

Gregersen, Niels, et al.. (2024). One-dimensional photonic wire as a single-photon source: Implications of cavity QED to a phonon bath of reduced dimensionality. Physical review. B.. 110(11). 1 indexed citations

Heindel, Tobias, Je‐Hyung Kim, Niels Gregersen, Armando Rastelli, & Stephan Reitzenstein. (2023). Quantum dots for photonic quantum information technology. Advances in Optics and Photonics. 15(3). 613–613. 74 indexed citations

10.

Wang, Yujing, et al.. (2023). Performance of the nanopost single-photon source: beyond the single-mode model. Nanoscale. 15(13). 6156–6169. 4 indexed citations

11.

Vannucci, Luca & Niels Gregersen. (2023). Highly efficient and indistinguishable single-photon sources via phonon-decoupled two-color excitation. Physical review. B.. 107(19). 10 indexed citations

12.

Wang, Yujing, Luca Vannucci, Sven Burger, & Niels Gregersen. (2022). Near-unity efficiency in ridge waveguide-based, on-chip single-photon sources. arXiv (Cornell University). 2(4). 45004–45004. 2 indexed citations

13.

Holewa, Paweł, Aurimas Sakanas, Paweł Mrowiński, et al.. (2022). Bright Quantum Dot Single-Photon Emitters at Telecom Bands Heterogeneously Integrated on Si. ACS Photonics. 9(7). 2273–2279. 33 indexed citations

14.

Mattes, Michael, et al.. (2021). Elliptical micropillar cavity design for highly efficient polarized emission of single photons. Applied Physics Letters. 118(6). 9 indexed citations

15.

Arslanagić, Samel, et al.. (2021). Open-geometry modal method based on transverse electric and transverse magnetic mode expansion for orthogonal curvilinear coordinates. Physical review. E. 103(3). 33301–33301. 8 indexed citations

16.

Holewa, Paweł, Aurimas Sakanas, Paweł Mrowiński, et al.. (2021). Bright Quantum Dot Single-Photon Source at 1.55 μm Heterogeneously Integrated on Si. Conference on Lasers and Electro-Optics. SM1Q.2–SM1Q.2. 3 indexed citations

17.

Moczała-Dusanowska, Magdalena, Łukasz Dusanowski, Yu He, et al.. (2019). Strain-Tunable Single-Photon Source Based on a Quantum Dot–Micropillar System. ACS Photonics. 6(8). 2025–2031. 23 indexed citations

18.

Denning, Emil V., Jake Iles-Smith, Niels Gregersen, & Jesper Mørk. (2019). Phonon effects in quantum dot single-photon sources. Optical Materials Express. 10(1). 222–222. 28 indexed citations

19.

Frandsen, Lars H., Sven Burger, Oleksiy S. Kim, et al.. (2018). Benchmarking five numerical simulation techniques for computing resonance wavelengths and quality factors in photonic crystal membrane line defect cavities. Optics Express. 26(9). 11366–11366. 13 indexed citations

20.

Heuck, Mikkel, et al.. (2016). Spectral symmetry of Fano resonances in a waveguide coupled to a microcavity. Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU). 19 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact