Fumio Koyama
- Electrical and Electronic Engineering top 0.2%
- Atomic and Molecular Physics, and Optics top 0.2%
- Biomedical Engineering top 5%
- Condensed Matter Physics top 2%
- Surfaces, Coatings and Films top 0.5%
- Co-authors
- Kenichi IgaAkihiro MatsutaniTomoyuki MiyamotoShinya KinoshitaHamed DalirToshihiko BabaY. SuematsuT. Mukaihara
- Topics
- Semiconductor Lasers and Optical Devices (546 papers)Photonic and Optical Devices (524 papers)Semiconductor Quantum Structures and Devices (283 papers)
- Cited by
- Atomic and Molecular Physics, and OpticsElectrical and Electronic EngineeringSurfaces, Coatings and Films
- Partner nations
- JapanUnited StatesSaudi Arabia
In The Last Decade
Fumio Koyama
630 papers receiving 7.9k citations
Hit Papers
Peers
Comparison fields: 5 of 62
- Electrical and Electronic Engineering 7.7k
- Atomic and Molecular Physics, and Optics 5.0k
- Biomedical Engineering 688
- Condensed Matter Physics 679
- Surfaces, Coatings and Films 579
Countries citing papers authored by Fumio Koyama
This map shows the geographic impact of Fumio Koyama'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 Fumio Koyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Fumio Koyama more than expected).
Fields of papers citing papers by Fumio Koyama
This network shows the impact of papers produced by Fumio Koyama. 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 Fumio Koyama. The network helps show where Fumio Koyama may publish in the future.
Co-authorship network of co-authors of Fumio Koyama
This figure shows the co-authorship network connecting the top 25 collaborators of Fumio Koyama. A scholar is included among the top collaborators of Fumio Koyama 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 Fumio Koyama. Fumio Koyama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.
All Works
| # | Work | Indexed citations |
|---|---|---|
| 1 | 1 | |
| 2 | Ultra-compact VCSEL scanner for high power solid-state beam steering | 2 |
| 3 | High power surface grating long aperture VCSEL | 1 |
| 4 | High-speed and Single mode 850nm Intracavity Metal Aperture VCSEL with Transverse Coupled Cavity Effect | 1 |
| 5 | 3 | |
| 6 | Structured-Light Sensor Based on Non-mechanical VCSEL Beam Scanner | 1 |
| 7 | VCSEL-integrated Bragg reflector waveguide amplifier with single-mode output power over 10 mW | 3 |
| 8 | 1 | |
| 9 | Transverse mode control of vcsels using highly angular dependent high contrast sub-wavelength grating | 1 |
| 10 | Estimation of linewidth for a surface emitting laser with multilayer DBRs | 0 |
| 11 | 4 | |
| 12 | Novel 3D hollow optical waveguide with lateral and vertical periodicity for tunable photonic integrated circuits | 1 |
| 13 | Athermal and tunable operations of 850 nm VCSEL with thermally actuated cantilever structure | 2 |
| 14 | Optoelectronic Materials and Devices | 1 |
| 15 | Dynamic behavior of 1.55 /spl mu/m vertical-cavity surface-emitting laser with external light injection | 1 |
| 16 | All-optical regeneration using a vertical-cavity surface-emitting laser with external light injection | 14 |
| 17 | Temperature Characteristics of Lambda=1.3 mum GaInNAs/GaAs Quantum Well Lasers Grown by Chemical Beam Epitaxy | 2 |
| 18 | N-type modulation-doped strained InGaAs/AlGaAs quantum well lasers grown by metal organic chemical vapor deposition | 1 |
| 19 | Estimation of Diffraction Loss in Surface Emitting Laser Cavity by Beam Propagation Method | 2 |
| 20 | Room temperature cw operation of GaAs vertical cavity surface emitting laser | 32 |
About Fumio Koyama
Fumio Koyama is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Surfaces, Coatings and Films, having authored 701 papers that have together received 8.3k indexed citations. Recurring topics across this work include Semiconductor Lasers and Optical Devices (546 papers), Photonic and Optical Devices (524 papers) and Semiconductor Quantum Structures and Devices (283 papers). The work is most often cited by research in Atomic and Molecular Physics, and Optics (5.0k citations), Electrical and Electronic Engineering (7.7k citations) and Surfaces, Coatings and Films (579 citations). Fumio Koyama has collaborated with scholars based in Japan, United States and Saudi Arabia. Frequent co-authors include Kenichi Iga, Akihiro Matsutani, Tomoyuki Miyamoto, Shinya Kinoshita, Hamed Dalir, Toshihiko Baba, Y. Suematsu, T. Mukaihara, Nobuhiko Nishiyama and Takahiro Sakaguchi. Their work appears in journals such as Applied Physics Letters, Journal of Applied Physics and Nature Photonics.
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.