Joonhoi Koo

3.1k total citations · 1 hit paper
62 papers, 2.7k citations indexed

About

Joonhoi Koo is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Biomedical Engineering. According to data from OpenAlex, Joonhoi Koo has authored 62 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 50 papers in Atomic and Molecular Physics, and Optics, 49 papers in Electrical and Electronic Engineering and 4 papers in Biomedical Engineering. Recurrent topics in Joonhoi Koo's work include Advanced Fiber Laser Technologies (49 papers), Photonic Crystal and Fiber Optics (39 papers) and Laser-Matter Interactions and Applications (21 papers). Joonhoi Koo is often cited by papers focused on Advanced Fiber Laser Technologies (49 papers), Photonic Crystal and Fiber Optics (39 papers) and Laser-Matter Interactions and Applications (21 papers). Joonhoi Koo collaborates with scholars based in South Korea and United States. Joonhoi Koo's co-authors include Ju Han Lee, Junsu Lee, Young Min Jhon, Young In Jhon, Minwan Jung, Yury Gogotsi, Babak Anasori, Minah Seo, Yong‐Won Song and June Park and has published in prestigious journals such as Advanced Materials, Applied Physics Letters and Advanced Functional Materials.

In The Last Decade

Joonhoi Koo

60 papers receiving 2.5k citations

Hit Papers

Metallic MXene Saturable Absorber for Femtosecond Mode‐Lo... 2017 2026 2020 2023 2017 100 200 300 400 500
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. Metallic MXene Saturable Absorber for Femtosecond Mode‐Locked Lasers
    2017 525 citations Young In Jhon, Young Min Jhon et al. Advanced Materials profile →

Peers

Joonhoi Koo
Xin Chen United States
Kevin L. Schulte United States
M.Z. Zulkifli Malaysia
Paul A. Basore United States
Zhuo Chen China
M. Z. Shvarts Russia
Kan Chen United Kingdom
Allen Barnett United States
Marco Stefancich Italy
Xin Chen United States
Joonhoi Koo
Citations per year, relative to Joonhoi Koo Joonhoi Koo (= 1×) peers Xin Chen

Countries citing papers authored by Joonhoi Koo

Since Specialization
Citations

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

Fields of papers citing papers by Joonhoi Koo

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Joonhoi Koo

This figure shows the co-authorship network connecting the top 25 collaborators of Joonhoi Koo. A scholar is included among the top collaborators of Joonhoi Koo 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 Joonhoi Koo. Joonhoi Koo 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.
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Jeong, Hwanseong, Junsu Lee, Kwang Hyun Lee, et al.. (2021). 740-watt level optical tap coupler using side-polished large-mode-area double clad fibers for a high power fiber laser. Optics Express. 29(13). 19525–19525. 2 indexed citations
3.
Lee, Jinho, et al.. (2019). A 3-D printed saturable absorber for femtosecond mode-locking of a fiber laser. Optical Materials. 89. 382–389. 8 indexed citations
4.
Koo, Joonhoi, et al.. (2019). Evanescent field interaction with Fe3O4 nano-particle for passively Q-switched thulium-doped fiber laser at 1.94 μm. Optics & Laser Technology. 119. 105579–105579. 12 indexed citations
5.
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Jhon, Young In, Young Min Jhon, Joonhoi Koo, et al.. (2017). Metallic MXene Saturable Absorber for Femtosecond Mode‐Locked Lasers. Advanced Materials. 29(40). 525 indexed citations breakdown →
7.
Lee, Junsu, et al.. (2017). Filled Skutterudites for Broadband Saturable Absorbers. Advanced Optical Materials. 5(11). 31 indexed citations
8.
Kim, Jihwan, Joonhoi Koo, & Ju Han Lee. (2017). An actively mode-locked, all fiber laser using an acousto-optic modulator based on cladding-etched optical fiber. 11. JM5A.23–JM5A.23. 1 indexed citations
9.
Koo, Joonhoi, et al.. (2017). A Q-switched, 1.89 µm fiber laser using an Fe 3 O 4 -based saturable absorber. Journal of Luminescence. 195. 181–186. 20 indexed citations
10.
Koo, Joonhoi, et al.. (2017). All-fiber acousto-optic modulator based on a cladding-etched optical fiber for active mode-locking. Photonics Research. 5(5). 391–391. 22 indexed citations
11.
Koo, Joonhoi, et al.. (2016). Near‐Infrared Saturable Absorption of Defective Bulk‐Structured WTe2 for Femtosecond Laser Mode‐Locking. Advanced Functional Materials. 26(41). 7454–7461. 174 indexed citations
12.
Lee, Junsu, Joonhoi Koo, & Ju Han Lee. (2016). A pulse-width-tunable, mode-locked fiber laser based on dissipative soliton resonance using a bulk-structured Bi2Te3topological insulator. Optical Engineering. 55(8). 81309–81309. 41 indexed citations
13.
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Jung, Moonki, et al.. (2014). A femtosecond thulium holmium co-doped fiber laser based on graphene oxide evanescent filed interaction. 31. JW2A.20–JW2A.20. 2 indexed citations
15.
Koo, Joonhoi, et al.. (2014). A carbon nanotube-embedded fiber-optic tunable coupler for flexible repetition rate control of a passively Q -switched fiber laser. Laser Physics. 24(4). 45105–45105. 8 indexed citations
16.
Lee, Junsu, Joonhoi Koo, Young Min Jhon, & Ju Han Lee. (2014). A femtosecond pulse erbium fiber laser incorporating a saturable absorber based on bulk-structured Bi_2Te_3 topological insulator. Optics Express. 22(5). 6165–6165. 233 indexed citations
17.
Jung, Minwan, Junsu Lee, Joonhoi Koo, et al.. (2014). A femtosecond pulse fiber laser at 1935 nm using a bulk-structured Bi_2Te_3 topological insulator. Optics Express. 22(7). 7865–7865. 251 indexed citations
18.
Koo, Joonhoi & Ju Han Lee. (2013). Passive Q-switching of a fiber laser using a side-polished birefringent fiber with index matching gel spread on the flat side. Applied Physics B. 112(1). 61–65. 9 indexed citations
19.
Jung, Moonki, et al.. (2012). An all fiberized, 1.89-μm Q-switched laser employing carbon nanotube evanescent field interaction. Laser Physics Letters. 9(9). 669–673. 57 indexed citations
20.
Yu, Ming‐Jiun, et al.. (2006). Oxidation of geosmin and MIB in water using O3/H2O2: kinetic evaluation. Water Science & Technology Water Supply. 6(2). 63–69. 16 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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