Wai Son Ko

1.0k total citations · 1 hit paper
21 papers, 793 citations indexed

About

Wai Son Ko is a scholar working on Biomedical Engineering, Electrical and Electronic Engineering and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Wai Son Ko has authored 21 papers receiving a total of 793 indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Biomedical Engineering, 16 papers in Electrical and Electronic Engineering and 15 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Wai Son Ko's work include Nanowire Synthesis and Applications (19 papers), Semiconductor Quantum Structures and Devices (13 papers) and Photonic and Optical Devices (10 papers). Wai Son Ko is often cited by papers focused on Nanowire Synthesis and Applications (19 papers), Semiconductor Quantum Structures and Devices (13 papers) and Photonic and Optical Devices (10 papers). Wai Son Ko collaborates with scholars based in United States, Russia and Germany. Wai Son Ko's co-authors include Kar Wei Ng, Connie J. Chang-Hasnain, Thai-Truong D. Tran, Roger Chen, Linus C. Chuang, Forrest Sedgwick, Fanglu Lu, Michael Moewe, В. Г. Дубровский and Indrasen Bhattacharya and has published in prestigious journals such as Nature Communications, Nano Letters and ACS Nano.

In The Last Decade

Wai Son Ko

20 papers receiving 765 citations

Hit Papers

Nanolasers grown on silicon 2011 2026 2016 2021 2011 100 200 300 400
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.

  1. Nanolasers grown on silicon
    2011 403 citations Roger Chen, Thai-Truong D. Tran et al. Nature Photonics profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Wai Son Ko United States 11 582 538 496 219 85 21 793
Thai-Truong D. Tran United States 13 650 1.1× 613 1.1× 544 1.1× 235 1.1× 91 1.1× 20 865
B. Mayer Switzerland 11 524 0.9× 478 0.9× 503 1.0× 164 0.7× 64 0.8× 23 704
Masahiko Hata Japan 23 1.1k 2.0× 265 0.5× 423 0.9× 175 0.8× 66 0.8× 75 1.2k
Linus C. Chuang United States 13 877 1.5× 994 1.8× 705 1.4× 432 2.0× 131 1.5× 26 1.2k
Ningfeng Huang United States 13 530 0.9× 678 1.3× 378 0.8× 239 1.1× 95 1.1× 21 838
S. J. Gibson Canada 8 233 0.4× 330 0.6× 183 0.4× 146 0.7× 62 0.7× 8 425
Linus E. Jensen Sweden 5 390 0.7× 480 0.9× 295 0.6× 316 1.4× 83 1.0× 5 670
Jonathan Becker Germany 13 339 0.6× 367 0.7× 275 0.6× 225 1.0× 51 0.6× 15 532
Sylvain Sergent Japan 14 390 0.7× 305 0.6× 397 0.8× 90 0.4× 183 2.2× 33 572
Bernhard Loitsch Germany 14 316 0.5× 415 0.8× 349 0.7× 218 1.0× 94 1.1× 20 572

Countries citing papers authored by Wai Son Ko

Since Specialization
Citations

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

Fields of papers citing papers by Wai Son Ko

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Wai Son Ko. 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 Wai Son Ko. The network helps show where Wai Son Ko may publish in the future.

Co-authorship network of co-authors of Wai Son Ko

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

All Works

20 of 20 papers shown
1.
Ko, Wai Son, et al.. (2016). Ultrahigh Responsivity-Bandwidth Product in a Compact InP Nanopillar Phototransistor Directly Grown on Silicon. Scientific Reports. 6(1). 33368–33368. 24 indexed citations
2.
Ko, Wai Son, Thai-Truong D. Tran, Indrasen Bhattacharya, et al.. (2015). Illumination Angle Insensitive Single Indium Phosphide Tapered Nanopillar Solar Cell. Nano Letters. 15(8). 4961–4967. 22 indexed citations
3.
Chen, Roger, Kar Wei Ng, Wai Son Ko, et al.. (2014). Nanophotonic integrated circuits from nanoresonators grown on silicon. Nature Communications. 5(1). 4325–4325. 58 indexed citations
4.
Ng, Kar Wei, Wai Son Ko, Fanglu Lu, & Connie J. Chang-Hasnain. (2014). Metastable Growth of Pure Wurtzite InGaAs Microstructures. Nano Letters. 14(8). 4757–4762. 16 indexed citations
5.
Ng, Kar Wei, Wai Son Ko, Roger Chen, et al.. (2014). Composition Homogeneity in InGaAs/GaAs Core–Shell Nanopillars Monolithically Grown on Silicon. ACS Applied Materials & Interfaces. 6(19). 16706–16711. 9 indexed citations
6.
7.
Wang, Xiaodong, Ilaria Zardo, D. Spirkoska, et al.. (2014). Valence Band Splitting in Wurtzite InGaAs Nanoneedles Studied by Photoluminescence Excitation Spectroscopy. ACS Nano. 8(11). 11440–11446. 8 indexed citations
8.
Ng, Kar Wei, et al.. (2014). Three-dimensional whispering gallery modes in InGaAs nanoneedle lasers on silicon. Applied Physics Letters. 105(11). 8 indexed citations
9.
Lu, Fanglu, Thai-Truong D. Tran, Wai Son Ko, et al.. (2012). Nanolasers grown on silicon-based MOSFETs. Optics Express. 20(11). 12171–12171. 31 indexed citations
10.
Ng, Kar Wei, Wai Son Ko, Thai-Truong D. Tran, et al.. (2012). Unconventional Growth Mechanism for Monolithic Integration of III–V on Silicon. ACS Nano. 7(1). 100–107. 42 indexed citations
11.
Chen, Roger, et al.. (2011). Helically Propagating Modes in InGaAs Nanoneedle Lasers Grown on Poly-Silicon and Silicon Substrates. 90. CTuR3–CTuR3. 1 indexed citations
12.
Chen, Roger, Thai-Truong D. Tran, Kar Wei Ng, et al.. (2011). Nanolasers grown on silicon. Nature Photonics. 5(3). 170–175. 403 indexed citations breakdown →
13.
Дубровский, В. Г., et al.. (2011). Growth kinetics of GaAs nanoneedles on silicon and sapphire substrates. Applied Physics Letters. 98(15). 6 indexed citations
14.
Chuang, Linus C., Michael Moewe, Kar Wei Ng, et al.. (2011). GaAs nanoneedles grown on sapphire. Applied Physics Letters. 98(12). 31 indexed citations
15.
Chuang, Linus C., Forrest Sedgwick, Roger Chen, et al.. (2010). GaAs-Based Nanoneedle Light Emitting Diode and Avalanche Photodiode Monolithically Integrated on a Silicon Substrate. Nano Letters. 11(2). 385–390. 81 indexed citations
16.
Ng, Kar Wei, Wai Son Ko, Roger Chen, et al.. (2010). Nanolasers grown on polycrystalline silicon. 78–79.
17.
Chen, Roger, Thai-Truong D. Tran, Kar Wei Ng, et al.. (2010). All-semiconductor nanolasers on silicon. 93. 473–474. 4 indexed citations
18.
Chuang, Linus C., Roger Chen, Forrest Sedgwick, et al.. (2010). InGaAs QW Nanopillar Light Emitting Diodes Monolithically Grown on a Si Substrate. 68. CMFF6–CMFF6. 2 indexed citations
19.
Chuang, Linus C., Kar Wei Ng, Thai-Truong D. Tran, et al.. (2010). Single Crystalline GaAs Nanoneedles Grown on 46% Lattice-Mismatched Sapphire with Bright Luminescence. 90. CThV1–CThV1. 2 indexed citations
20.
Sedgwick, Forrest, et al.. (2007). THz-bandwidth tunable slow light in semiconductor optical amplifiers. Optics Express. 15(2). 747–747. 23 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

Breakdown of academic impact, for papers by Thai-Truong D. Tran Breakdown of academic impact, for papers by B. Mayer Breakdown of academic impact, for papers by Masahiko Hata Breakdown of academic impact, for papers by Linus C. Chuang Breakdown of academic impact, for papers by Ningfeng Huang Breakdown of academic impact, for papers by S. J. Gibson Breakdown of academic impact, for papers by Linus E. Jensen Breakdown of academic impact, for papers by Jonathan Becker Breakdown of academic impact, for papers by Sylvain Sergent Breakdown of academic impact, for papers by Bernhard Loitsch
Rankless by CCL
2026