Yahei Koyamada
- Electrical and Electronic Engineering top 1%
- Atomic and Molecular Physics, and Optics top 2%
- Biomedical Engineering
- Civil and Structural Engineering top 10%
- Instrumentation top 5%
- Co-authors
- Kazuo ShimizuT. HoriguchiTakeshi KurashimaMitsuhiro TatedaTsuneo HoriguchiHisashi IzumitaK. HogariToshio Kurashima
- Topics
- Advanced Fiber Optic Sensors (59 papers)Photonic and Optical Devices (42 papers)Optical Network Technologies (38 papers)
- Cited by
- Atomic and Molecular Physics, and OpticsElectrical and Electronic EngineeringInstrumentation
- Partner nations
- JapanUnited States
In The Last Decade
Yahei Koyamada
99 papers receiving 2.6k citations
Hit Papers
Peers
Comparison fields: 5 of 64
- Electrical and Electronic Engineering 2.6k
- Atomic and Molecular Physics, and Optics 1.5k
- Biomedical Engineering 169
- Civil and Structural Engineering 168
- Instrumentation 112
Countries citing papers authored by Yahei Koyamada
This map shows the geographic impact of Yahei Koyamada'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 Yahei Koyamada with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Yahei Koyamada more than expected).
Fields of papers citing papers by Yahei Koyamada
This network shows the impact of papers produced by Yahei Koyamada. 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 Yahei Koyamada. The network helps show where Yahei Koyamada may publish in the future.
Co-authorship network of co-authors of Yahei Koyamada
This figure shows the co-authorship network connecting the top 25 collaborators of Yahei Koyamada. A scholar is included among the top collaborators of Yahei Koyamada 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 Yahei Koyamada. Yahei Koyamada is excluded from the visualization to improve readability, since they are connected to all nodes in the network.
All Works
| # | Work | Indexed citations |
|---|---|---|
| 1 | Distributed vibration ditection with very high sensitivity using coherent OTDR | 0 |
| 2 | 31-km distributed temperature measurement with very high resolution using coherent-OTDR enhanced with bidirectional EDFA | 3 |
| 3 | Numerical analysis of light transmission in bent trench optical fiber | 1 |
| 4 | Numerical simulation of nonlinear pulse propagation effect on distributed strain and temperature measurement with BOTDA | 0 |
| 5 | Experimental study of millimeter-wave optically controlled array antenna sharing optical phase shifters for transmission and reception | 1 |
| 6 | Studies on scattering of lightwave in single-mode fibers and fiber-optic distributed strain and temperature sensors | 1 |
| 7 | Practical method for measuring distributed strain and temperature with very high measurand resolution based on Rayleigh backscatter traces at multiple laser frequencies | 1 |
| 8 | Millimeter-wave true-time delay measurement in WDM-based optically controlled array antenna | 1 |
| 9 | Polarization Dependence of Rayleigh Backscattered Waveform measured by Coherent OTDR with Frequency Stabilized Light Source | 1 |
| 10 | 6-dB SBS threshold improved optical fiber compatible with standard SMF | 2 |
| 11 | Finite-difference Time-domain Analysis of Ultrashort Laser Pulse Propagation in a Fiber with Nonlinear Effects | 0 |
| 12 | 3 | |
| 13 | A high performance OTDR for measuring distributed strain and optical loss | 2 |
| 14 | 17 | |
| 15 | Development of a distributed sensing technique using Brillouin scatteringbreakdown → | 545 |
| 16 | 40 | |
| 17 | 1 | |
| 18 | Large extension of dynamic range in distributed-fiber strain measurement using Brillouin spectroscopy | 4 |
| 19 | 4 | |
| 20 | Theoretical analysis of optical fiber mode exciters constructed with alternate concatenation of step-index and graded-index fibers | 4 |
About Yahei Koyamada
Yahei Koyamada is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Instrumentation, having authored 109 papers that have together received 2.8k indexed citations. Recurring topics across this work include Advanced Fiber Optic Sensors (59 papers), Photonic and Optical Devices (42 papers) and Optical Network Technologies (38 papers). The work is most often cited by research in Atomic and Molecular Physics, and Optics (1.5k citations), Electrical and Electronic Engineering (2.6k citations) and Instrumentation (112 citations). Yahei Koyamada has collaborated with scholars based in Japan and United States. Frequent co-authors include Kazuo Shimizu, T. Horiguchi, Takeshi Kurashima, Mitsuhiro Tateda, Tsuneo Horiguchi, Hisashi Izumita, K. Hogari, Toshio Kurashima, Kaoru Shimizu and Izumi Sankawa. Their work appears in journals such as Applied Physics Letters, Journal of Applied Physics and Proceedings of the IEEE.
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.