W. Knap

14.6k total citations · 2 hit papers
399 papers, 10.7k citations indexed

About

W. Knap is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Astronomy and Astrophysics. According to data from OpenAlex, W. Knap has authored 399 papers receiving a total of 10.7k indexed citations (citations by other indexed papers that have themselves been cited), including 292 papers in Electrical and Electronic Engineering, 255 papers in Atomic and Molecular Physics, and Optics and 102 papers in Astronomy and Astrophysics. Recurrent topics in W. Knap's work include Terahertz technology and applications (207 papers), Semiconductor Quantum Structures and Devices (169 papers) and Superconducting and THz Device Technology (102 papers). W. Knap is often cited by papers focused on Terahertz technology and applications (207 papers), Semiconductor Quantum Structures and Devices (169 papers) and Superconducting and THz Device Technology (102 papers). W. Knap collaborates with scholars based in France, Poland and Russia. W. Knap's co-authors include F. Teppe, M. S. Shur, Dominique Coquillat, Miriam S. Vitiello, Sergey Rumyantsev, D. Coquillat, Alessandro Tredicucci, V. V. Popov, Leonardo Viti and Taiichi Otsuji and has published in prestigious journals such as Physical Review Letters, Advanced Materials and Nature Communications.

In The Last Decade

W. Knap

370 papers receiving 10.4k citations

Hit Papers

align trajectories sort by overperformance

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.

Graphene field-effect transistors as room-temperature terahertz detectors

2012 808 citations W. Knap et al. profile →
Roadmap of Terahertz Imaging 2021

2021 184 citations Alvydas Lisauskas, W. Knap et al. Sensors profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
W. Knap	7.6k	6.1k	2.5k	2.4k	2.3k	399	10.7k
Masayoshi Tonouchi	7.8k 1.0×	4.1k 0.7×	1.4k 0.6×	1.9k 0.8×	2.3k 1.0×	411	10.2k
Taiichi Otsuji	4.6k 0.6×	3.1k 0.5×	1.9k 0.8×	867 0.4×	2.8k 1.2×	436	6.7k
Tobias Kampfrath	3.5k 0.5×	4.6k 0.8×	1.1k 0.5×	459 0.2×	933 0.4×	112	6.1k
Kazuhiko Hirakawa	3.4k 0.4×	3.9k 0.6×	1.1k 0.5×	244 0.1×	652 0.3×	248	5.4k
Roman Sobolewski	2.2k 0.3×	2.1k 0.3×	851 0.3×	692 0.3×	606 0.3×	302	4.3k
Stephan Winnerl	2.4k 0.3×	2.3k 0.4×	953 0.4×	677 0.3×	979 0.4×	187	3.8k
Sanjay Krishna	7.5k 1.0×	5.9k 1.0×	1.9k 0.8×	170 0.1×	2.4k 1.1×	449	9.6k
Igal Brener	6.4k 0.8×	6.8k 1.1×	1.2k 0.5×	515 0.2×	7.6k 3.3×	337	14.8k
Patrick Fay	4.5k 0.6×	1.7k 0.3×	793 0.3×	334 0.1×	962 0.4×	323	5.8k
Joe C. Campbell	13.1k 1.7×	8.0k 1.3×	3.0k 1.2×	69 0.0×	2.7k 1.2×	730	15.6k

Countries citing papers authored by W. Knap

Since Specialization

Citations

This map shows the geographic impact of W. Knap'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 W. Knap with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites W. Knap more than expected).

Fields of papers citing papers by W. Knap

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by W. Knap. 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 W. Knap. The network helps show where W. Knap may publish in the future.

Co-authorship network of co-authors of W. Knap

This figure shows the co-authorship network connecting the top 25 collaborators of W. Knap. A scholar is included among the top collaborators of W. Knap 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 W. Knap. W. Knap is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Suffczyński, J., et al.. (2025). Terahertz Magnon-Polariton Control Using a Tunable Liquid Crystal Cavity. ACS Photonics. 12(12). 6762–6769.

Delgado‐Notario, Juan A., Stephen R. Power, W. Knap, et al.. (2025). Unveiling the Miniband Structure of Graphene Moiré Superlattices via Gate-Dependent Terahertz Photocurrent Spectroscopy. ACS Nano. 19(30). 27338–27350.

Ніколенко, А.С., et al.. (2024). Peculiarities of current transport in boron-doped diamond Schottky diodes with hysteresis in current–voltage characteristics. Diamond and Related Materials. 143. 110897–110897. 1 indexed citations

Todorov, Yanko, K. Stelmaszczyk, D. Szwagierczak, et al.. (2024). Hybridization of Terahertz Phonons and Magnons in Disparate and Spatially‐Separated Material Specimens. Advanced Functional Materials. 35(9). 2 indexed citations

Korotyeyev, V. V., et al.. (2023). THz properties of grating-gate plasmonic crystals. Lithuanian Journal of Physics. 63(4). 1 indexed citations

Korotyeyev, V. V., et al.. (2023). Terahertz Grating-Gate Plasmonic Crystals. 1–4. 1 indexed citations

Knap, W., et al.. (2023). Cavity-Mediated Coupling of Terahertz Antiferromagnetic Resonators. Physical Review Applied. 19(6). 9 indexed citations

Kazakov, Alexander, J. F. Ziegler, D. Weiß, et al.. (2022). Terahertz Ratchet Effect in Interdigitated HgTe Structures. Physical Review Applied. 18(5). 5 indexed citations

Ikamas, Kȩstutis, et al.. (2021). All-Electronic Emitter-Detector Pairs for 250 GHz in Silicon. Sensors. 21(17). 5795–5795. 15 indexed citations

10.

Krajewska, Aleksandra, et al.. (2021). Generation-recombination and 1/f noise in carbon nanotube networks. Applied Physics Letters. 118(24). 8 indexed citations

11.

Przewłoka, Aleksandra, Aleksandra Krajewska, Igor S. Nefedov, et al.. (2021). Characterization of Silver Nanowire Layers in the Terahertz Frequency Range. Materials. 14(23). 7399–7399. 3 indexed citations

12.

Sakowicz, M., Dmytro B. But, P. Prystawko, et al.. (2021). Double-Quantum-Well AlGaN/GaN Field Effect Transistors with Top and Back Gates: Electrical and Noise Characteristics. Micromachines. 12(6). 721–721. 3 indexed citations

13.

But, Dmytro B., et al.. (2021). Sensitivity of Field-Effect Transistor-Based Terahertz Detectors. Sensors. 21(9). 2909–2909. 64 indexed citations

14.

Gaquière, Christophe, et al.. (2019). About 250/285 GHz push–push oscillator using differential gate equalisation in digital 65‐nm CMOS. IET Microwaves Antennas & Propagation. 13(12). 2073–2080. 2 indexed citations

15.

Kadykov, A. M., M. A. Fadeev, Michał Marcinkiewicz, et al.. (2019). Experimental Observation of Temperature-Driven Topological Phase Transition in HgTe/CdHgTe Quantum Wells. Condensed Matter. 4(1). 27–27. 4 indexed citations

16.

But, Dmytro B., Jiawei Zhang, E.W. Hill, et al.. (2017). Terahertz Detection and Imaging Using Graphene Ballistic Rectifiers. Nano Letters. 17(11). 7015–7020. 100 indexed citations

17.

Sakowicz, M., et al.. (2008). Antenna effects in detection of 100 GHZ radiation by high electron mobility field-effect transistors. International Conference on Microwaves, Radar & Wireless Communications. 1–2. 1 indexed citations

18.

Inushima, Takashi, D. K. Maude, H. J. Lü, et al.. (2007). Superconductivity of InN as an intrinsic property. AIP conference proceedings. 893. 137–138. 2 indexed citations

19.

Perlin, P., P. Wiśniewski, W. Knap, et al.. (1999). Large, nitrogen-induced increase of the electron effective mass in In{sub y}Ga{sub 1-y}N{sub x}As{sub 1-x}. Applied Physics Letters. 76(17). 12 indexed citations

20.

Léotin, J., et al.. (1993). Magnetophonon resonance and infrared lattice reflection. Semiconductors. 27(10). 901–905. 1 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.

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