Takemi Hasegawa

2.3k total citations · 1 hit paper
72 papers, 1.7k citations indexed

About

Takemi Hasegawa is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Surgery. According to data from OpenAlex, Takemi Hasegawa has authored 72 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 58 papers in Electrical and Electronic Engineering, 15 papers in Atomic and Molecular Physics, and Optics and 6 papers in Surgery. Recurrent topics in Takemi Hasegawa's work include Optical Network Technologies (48 papers), Advanced Photonic Communication Systems (25 papers) and Photonic Crystal and Fiber Optics (21 papers). Takemi Hasegawa is often cited by papers focused on Optical Network Technologies (48 papers), Advanced Photonic Communication Systems (25 papers) and Photonic Crystal and Fiber Optics (21 papers). Takemi Hasegawa collaborates with scholars based in Japan, United States and United Kingdom. Takemi Hasegawa's co-authors include Kazuo Hotate, E. Sasaoka, M. Koshiba, Kunimasa Saitoh, Tetsuya Hayashi, Yoshiaki Tamura, Toshiki Taru, Yoshinori Yamamoto, Hirotaka Sakuma and Masato Suzuki and has published in prestigious journals such as Proceedings of the IEEE, Optics Letters and Optics Express.

In The Last Decade

Takemi Hasegawa

64 papers receiving 1.5k 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.

Chromatic dispersion control in photonic crystal fibers: application to ultra-flattened dispersion

2003 525 citations Kunimasa Saitoh, M. Koshiba et al. Optics Express profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Takemi Hasegawa Japan	18	1.5k	700	69	45	27	72	1.7k
Z. Yusoff Malaysia	21	1.0k 0.7×	649 0.9×	45 0.7×	40 0.9×	60 2.2×	112	1.3k
Masato Yoshida Japan	25	1.8k 1.2×	868 1.2×	71 1.0×	177 3.9×	2 0.1×	189	1.9k
Bo Lü China	14	358 0.2×	206 0.3×	55 0.8×	94 2.1×	16 0.6×	100	643
Song Gao Canada	16	421 0.3×	407 0.6×	102 1.5×	122 2.7×	6 0.2×	49	678
Jian Tang China	15	732 0.5×	597 0.9×	46 0.7×	39 0.9×		44	842
S. A. Newton United States	15	1.1k 0.7×	508 0.7×	76 1.1×	77 1.7×	3 0.1×	35	1.2k
Muhammad Shahin Uddin Bangladesh	15	665 0.4×	153 0.2×	255 3.7×	10 0.2×		49	857
Josip Vukusic United Kingdom	9	442 0.3×	176 0.3×	57 0.8×	12 0.3×	13 0.5×	18	532
S. Faralli Italy	19	963 0.6×	402 0.6×	107 1.6×	45 1.0×	4 0.1×	111	1.1k
Qinghui Wu China	16	280 0.2×	154 0.2×	24 0.3×	38 0.8×	65 2.4×	67	602

Countries citing papers authored by Takemi Hasegawa

Since Specialization

Citations

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

Fields of papers citing papers by Takemi Hasegawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Takemi Hasegawa

This figure shows the co-authorship network connecting the top 25 collaborators of Takemi Hasegawa. A scholar is included among the top collaborators of Takemi Hasegawa 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 Takemi Hasegawa. Takemi Hasegawa 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

Kawaguchi, Yuki, et al.. (2025). Silica-Core Single-Mode Fiber With Lowest Loss of 0.1397 dB/km. Journal of Lightwave Technology. 43(4). 1837–1842.

Kawai, Akira, Kohki Shibahara, Masanori Nakamura, et al.. (2025). Toward Petabit Per Second in Field: Ultrahigh-Capacity Terrestrial Transmission System With Coupled-Core Multi-Core Fibers. Journal of Lightwave Technology. 43(13). 6058–6070.

Shibahara, Kohki, et al.. (2024). Recursive Least Squares Based Low-Complexity Frequency-Domain MIMO Equalization for MDL-Tolerant Long-Haul Space Division Multiplexing Transmission. Journal of Lightwave Technology. 42(12). 4324–4337. 4 indexed citations

Mazur, Mikael, Nicolas K. Fontaine, Steve Corteselli, et al.. (2022). Comparison of transfer matrix stability between a 110 km 7-core coupled-core multi-core fiber and single-mode fiber. Optical Fiber Communication Conference (OFC) 2022. M1E.2–M1E.2. 1 indexed citations

Hasegawa, Takemi & Tetsuya Hayashi. (2021). Measurement of Mode Dependent Loss of Randomly-Coupled Multi-Core Fiber using Scrambling Method. T2C.2–T2C.2. 3 indexed citations

Rademacher, Georg, Ruben S. Lúıs, Benjamin J. Puttnam, et al.. (2020). Wideband Intermodal Nonlinear Signal Processing With a Highly Nonlinear Few-Mode Fiber. IEEE Journal of Selected Topics in Quantum Electronics. 26(4). 1–7. 10 indexed citations

Guasoni, Massimiliano, Péter Horák, Yongmin Jung, et al.. (2019). Selective wavelength conversion in a few-mode fiber. Optics Express. 27(17). 24072–24072. 11 indexed citations

Choutagunta, Karthik, Roland Ryf, Nicolas K. Fontaine, et al.. (2019). Modal Dynamics in Spatially Multiplexed Links. Chalmers Research (Chalmers University of Technology). W4C.1–W4C.1. 7 indexed citations

Tamura, Yoshiaki, Tetsuya Hayashi, Tetsuya Nakanishi, & Takemi Hasegawa. (2019). Low-Loss Uncoupled Two-Core Fiber for Power Efficient Practical Submarine Transmission. M1E.5–M1E.5. 17 indexed citations

10.

Yamada, Yuko, Sho Okubo, Masato Wada, et al.. (2018). Narrow-linewidth and highly stable optical frequency comb realized with a simple electro-optic modulator system in a mode-locked Er:fiber laser. Japanese Journal of Applied Physics. 58(3). 38003–38003. 14 indexed citations

11.

Tamura, Yoshiaki, Hirotaka Sakuma, Masato Suzuki, et al.. (2018). The First 0.14-dB/km Loss Optical Fiber and its Impact on Submarine Transmission. Journal of Lightwave Technology. 36(1). 44–49. 114 indexed citations

12.

Sakuma, Hirotaka, et al.. (2017). Lowest-Ever 0.1419-dB/km Loss Optical Fiber. IEICE Technical Report; IEICE Tech. Rep.. 117(27). 31–32. 22 indexed citations

13.

Tanaka, Masato, et al.. (2013). Lipid distribution imaging in in-vitro artery model by 1.7-μm spectroscopic spectral-domain optical coherence tomography. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 8565. 85654F–85654F. 2 indexed citations

14.

Saitoh, Kunimasa, M. Koshiba, Takemi Hasegawa, & E. Sasaoka. (2003). Chromatic dispersion control in photonic crystal fibers: application to ultra-flattened dispersion. Optics Express. 11(8). 843–843. 525 indexed citations breakdown →

15.

Hotate, Kazuo & Takemi Hasegawa. (2000). Measurement of Brillouin Gain Spectrum Distribution along an Optical Fiber Using a Correlation-Based Technique - Proposal, Experiment and Simulation -. IEICE Transactions on Electronics. 84(3). 405–412. 242 indexed citations

16.

Hotate, Kazuo & Takemi Hasegawa. (2000). Measurement of Brillouin Gain Spectrum Distribution along an Optical Fiber Using a Correlation-Based Technique : Proposal, Experiment and Simulation (Special Issue on Optical Fiber Sensors). IEICE Transactions on Electronics. 83(3). 405–412. 40 indexed citations

17.

Maeda, Sakan, et al.. (2000). [A case of primary renal carcinoid tumor].. PubMed. 46(10). 715–7. 2 indexed citations

18.

Hasegawa, Takemi, et al.. (1989). Venous reconstruction using prosthetic grafts.. PubMed. 30(5). 833–7. 4 indexed citations

19.

Masugi, Fuminori, et al.. (1988). Normalization of high plasma level of ouabain-like immunoreactivity in primary aldosteronism after removal of adenoma.. PubMed. 2(1). 17–20. 34 indexed citations

20.

Matsumoto, Harunobu, et al.. (1972). Studies on the porous polytetrafluoroethylene as the vascular prosthesis. 1(1). 44–47. 5 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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