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Research facility · Tsukuba · Japan

Photonics Electronics Technology Research Association

In research, Photonics Electronics Technology Research Association stands highest in Electrical and Electronic Engineering (#1,842 of 3,725 worldwide), Engineering (#6,433 of 9,532 worldwide) and Physical Sciences (#12,908 of 17,446 worldwide), over all time. Relative to its size it is most specialised in Electrical and Electronic Engineering, Engineering and Physical Sciences (Electrical and Electronic Engineering is 16.1× its share of world research).

petra-jp.org/enROR OpenAlex
World rank, all time
#21,428
of 34,923
Rank in Japan
#702
of 1,923
Research works
939
▼ 51% vs 2018-21
Citations
15k
16.3 per fractional work
Top-10% rate
6.3%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
17%
world 40%
International
18%
world 18%
Photonics Electronics Technology Research Association

What is Photonics Electronics Technology Research Association known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Electrical and Electronic EngineeringSubfield #1,842 of 3,725 9.3%412
EngineeringField #6,433 of 9,532 8.9%494
Physical SciencesDomain #12,908 of 17,446 8.0%825
Atomic and Molecular Physics, and OpticsSubfield #1,224 of 1,567 7.7%142
Physics and AstronomyField #2,331 of 2,917 7.3%161

Each strip is that field's whole ranked pool, with the notch where Photonics Electronics Technology Research Association sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Photonics Electronics Technology Research Association work in?

In 2022-now, 85% of research at Photonics Electronics Technology Research Association is in Physical Sciences, 7% in Life Sciences. Its largest fields are Engineering (65%), Physics and Astronomy (5%), Materials Science (5%). It does 2.0× the world's share of Physical Sciences.

Physical Sciences: 49 fractional works · 85.0% of its workEngineering: 37 fractional works · 65.0% of its workElectrical and Electronic Engineering: 33 fractional works · 57.4% of its workMechanical Engineering: 1 fractional works · 2.5% of its workAerospace Engineering: 1 fractional works · 2.1% of its workBiomedical Engineering: 1 fractional works · 1.5% of its workAutomotive Engineering: 0 fractional works · 0.8% of its workCivil and Structural Engineering: 0 fractional works · 0.3% of its workOcean Engineering: 0 fractional works · 0.2% of its workPhysics and Astronomy: 3 fractional works · 5.3% of its workAtomic and Molecular Physics, and Optics: 2 fractional works · 3.9% of its workAstronomy and Astrophysics: 0 fractional works · 0.5% of its workCondensed Matter Physics: 0 fractional works · 0.4% of its workInstrumentation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workMaterials Science: 3 fractional works · 4.7% of its workMaterials Chemistry: 1 fractional works · 2.6% of its workPolymers and Plastics: 1 fractional works · 1.0% of its workSurfaces, Coatings and Films: 0 fractional works · 0.8% of its workElectronic, Optical and Magnetic Materials: 0 fractional works · 0.4% of its workComputer Science: 2 fractional works · 3.1% of its workArtificial Intelligence: 1 fractional works · 2.0% of its workComputer Networks and Communications: 0 fractional works · 0.4% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workChemistry: 1 fractional works · 2.0% of its workOrganic Chemistry: 0 fractional works · 0.7% of its workPhysical and Theoretical Chemistry: 0 fractional works · 0.6% of its workAnalytical Chemistry: 0 fractional works · 0.4% of its workElectrochemistry: 0 fractional works · 0.3% of its workEnergy: 1 fractional works · 1.9% of its workRenewable Energy, Sustainability and the Environment: 1 fractional works · 1.8% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemical Engineering: 1 fractional works · 1.5% of its workBioengineering: 0 fractional works · 0.9% of its workCatalysis: 0 fractional works · 0.6% of its workEnvironmental Science: 0 fractional works · 0.9% of its workEnvironmental Chemistry: 0 fractional works · 0.4% of its workManagement, Monitoring, Policy and Law: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEarth and Planetary Sciences: 0 fractional works · 0.6% of its workOceanography: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workMathematics: 0 fractional works · 0.1% of its workLife Sciences: 4 fractional works · 6.6% of its workBiochemistry, Genetics and Molecular Biology: 2 fractional works · 3.6% of its workMolecular Biology: 2 fractional works · 2.7% of its workGenetics: 0 fractional works · 0.5% of its workCell Biology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 1 fractional works · 1.6% of its workImmunology: 1 fractional works · 1.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 0 fractional works · 0.8% of its workNeurology: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 0 fractional works · 0.6% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workHealth Sciences: 3 fractional works · 4.6% of its workMedicine: 2 fractional works · 3.5% of its workPulmonary and Respiratory Medicine: 1 fractional works · 0.9% of its workNephrology: 0 fractional works · 0.6% of its workPsychiatry and Mental health: 0 fractional works · 0.6% of its workUrology: 0 fractional works · 0.6% of its workEpidemiology: 0 fractional works · 0.5% of its workOncology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workHealth Professions: 1 fractional works · 1.0% of its workGeneral Health Professions: 0 fractional works · 0.9% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.1% of its workVeterinary: 0 fractional works · 0.1% of its workSocial Sciences: 2 fractional works · 3.8% of its workSocial Sciences: 1 fractional works · 2.5% of its workEducation: 1 fractional works · 2.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workArts and Humanities: 0 fractional works · 0.6% of its workHistory: 0 fractional works · 0.3% of its workHistory and Philosophy of Science: 0 fractional works · 0.3% of its workDecision Sciences: 0 fractional works · 0.4% of its workManagement Science and Operations Research: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 0 fractional works · 0.3% of its workBusiness and International Management: 0 fractional works · 0.3% of its workALL ITS WORKPhotonicsElectronics…57fractional works, 2022-now
Life Sciences7%Physical Sciences85%Health Sciences5%Social Sciences4%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 23 fields, with their numbers
    1. Engineering3765.0%
    2. Physics and Astronomy35.3%
    3. Materials Science34.7%
    4. Computer Science23.1%
    5. Chemistry12.0%
    6. Energy11.9%
    7. Chemical Engineering11.5%
    8. Environmental Science00.9%
    9. Earth and Planetary Sciences00.6%
    10. Mathematics00.1%
    1. Biochemistry, Genetics and Molecular Biology23.6%
    2. Immunology and Microbiology11.6%
    3. Neuroscience00.8%
    4. Agricultural and Biological Sciences00.6%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Medicine23.5%
    2. Health Professions11.0%
    3. Nursing00.1%
    4. Veterinary00.1%
    1. Social Sciences12.5%
    2. Arts and Humanities00.6%
    3. Decision Sciences00.4%
    4. Business, Management and Accounting00.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does Photonics Electronics Technology Research Association specialise in?

Where its research is concentrated relative to its size: Electrical and Electronic Engineering takes 16.1× the share of its output that it takes of world research.

  1. Electrical and Electronic EngineeringSubfield · 32.8 works16×
  2. EngineeringField · 37.2 works4.3×
  3. Physical SciencesDomain · 48.6 works2.2×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.12× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.68× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 1.59× its world share, 1 worksImmunology and Micro…Neuroscience: 0.48× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.17× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 4.16× its world share, 1 worksChemical EngineeringChemistry: 1.27× its world share, 1 worksChemistryComputer Science: 0.40× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.40× its world share, 0 worksEarth and Planetary …Energy: 2.04× its world share, 1 worksEnergyEngineering: 4.33× its world share, 37 worksEngineeringEnvironmental Science: 0.18× its world share, 0 worksEnvironmental ScienceMaterials Science: 1.34× its world share, 3 worksMaterials ScienceMathematics: 0.05× its world share, 0 worksMathematicsPhysics and Astronomy: 2.38× its world share, 3 worksPhysics and AstronomyHealth Professions: 0.37× its world share, 1 worksHealth ProfessionsMedicine: 0.18× its world share, 2 worksMedicineNursing: 0.24× its world share, 0 worksNursingVeterinary: 0.54× its world share, 0 worksVeterinaryArts and Humanities: 0.20× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.09× its world share, 0 worksBusiness, Management…Decision Sciences: 0.39× its world share, 0 worksDecision SciencesSocial Sciences: 0.20× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 4.3×. Every wedge is a field page.

All 23 fields, with their numbers
  1. Engineering4.33×37 works
  2. Chemical Engineering4.16×1 works
  3. Physics and Astronomy2.38×3 works
  4. Energy2.04×1 works
  5. Immunology and Microbiology1.59×1 works
  6. Materials Science1.34×3 works
  7. Chemistry1.27×1 works
  8. Biochemistry, Genetics and Molecular Biology0.68×2 works
  9. Veterinary0.54×0 works
  10. Neuroscience0.48×0 works
  11. Computer Science0.40×2 works
  12. Earth and Planetary Sciences0.40×0 works
  13. Decision Sciences0.39×0 works
  14. Health Professions0.37×1 works
  15. Nursing0.24×0 works
  16. Arts and Humanities0.20×0 works
  17. Social Sciences0.20×1 works
  18. Environmental Science0.18×0 works
  19. Medicine0.18×2 works
  20. Pharmacology, Toxicology and Pharmaceutics0.17×0 works
  21. Agricultural and Biological Sciences0.12×0 works
  22. Business, Management and Accounting0.09×0 works
  23. Mathematics0.05×0 works

Who are the top researchers at Photonics Electronics Technology Research Association?

Ranked on the quality score, Gorachand Ghosh, Takeshi Baba and Naoki Hirayama lead among researchers whose main affiliation is Photonics Electronics Technology Research Association.

  1. 1 Gorachand Ghosh Japan · #2,393,281 worldwide 2.8k citations · 49 works
  2. 2 Takeshi Baba Japan · #3,175,651 worldwide 816 citations · 73 works
  3. 3 Naoki Hirayama Japan · #3,631,614 worldwide 477 citations · 22 works
  4. 4 S. Kohmoto Japan · #3,691,367 worldwide 1.2k citations · 90 works
  5. 5 Seok–Hwan Jeong Japan · #5,059,237 worldwide 1.4k citations · 146 works
  6. 6 Takasi Simoyama Japan · #5,156,207 worldwide 952 citations · 83 works
  7. 7 Tatsuro Saito Japan · #5,294,568 worldwide 183 citations · 24 works
  8. 8 Daisuke Shimura Japan · #5,465,865 worldwide 2k citations · 181 works
  9. 9 Y. Iba Japan · #5,490,009 worldwide 134 citations · 15 works
  10. 10 K. Akita Japan · #5,688,215 worldwide 265 citations · 21 works
All ranked researchers at Photonics Electronics Technology Research Association

What are the most cited papers from Photonics Electronics Technology Research Association?

The most cited paper from Photonics Electronics Technology Research Association is "Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals" (Gorachand Ghosh, 1999), with 1,235 citations. Next come "One hundred fold increase in current carrying capacity in a carbon nanotube–copper composite" (545) and "Systematic Conversion of Single Walled Carbon Nanotubes into n-type Thermoelectric Materials by Molecular Dopants" (388).

Most cited papers
#PaperReleasedCitations
1 Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals Gorachand Ghosh · Optics Communications May 1999 1,235
2 One hundred fold increase in current carrying capacity in a carbon nanotube–copper composite Chandramouli Subramaniam, Takeo Yamada, Kazufumi Kobashi et al. · Nature Communications Open access 23 Jul 2013 545
3 Systematic Conversion of Single Walled Carbon Nanotubes into n-type Thermoelectric Materials by Molecular Dopants Yoshiyuki Nonoguchi, Kenji Ohashi, Rui Kanazawa et al. · Scientific Reports Open access 26 Nov 2013 388
4 Elastomeric Thermal Interface Materials with High Through‐Plane Thermal Conductivity from Carbon Fiber Fillers Vertically Aligned by Electrostatic Flocking Kojiro Uetani, Seisuke Ata, Shigeki Tomonoh et al. · Advanced Materials 8 Jul 2014 319
5 Silicon photonics for next generation system integration platform Yasuhiko Arakawa, Takahiro Nakamura, Yutaka Urino et al. · IEEE Communications Magazine Mar 2013 287
All 60 most cited papers, with filters and sorting

Which keywords describe research at Photonics Electronics Technology Research Association?

By fractional works in 2022-now, weighted toward what it does more of than the world: Integrated Circuits, Biosensors, Silicon Photonics, Microcavities, Optical Modulators, Semiconductor Lasers, Optical Interconnects and Vertical-Cavity Surface-Emitting Lasers (VCSELs).

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 36 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 36 words, with their numbers
  1. Integrated Circuits11▲ 128×3 topics
  2. Biosensors10▲ 36×2 topics
  3. Silicon Photonics10▲ 170×2 topics
  4. Microcavities10▲ 159×1 topic
  5. Optical Modulators10▲ 118×1 topic
  6. Semiconductor Lasers7▲ 183×2 topics
  7. Optical Interconnects6▲ 332×1 topic
  8. Vertical-Cavity Surface-Emitting Lasers (VCSELs)6▲ 332×1 topic
  9. Optical Fiber5▲ 84×2 topics
  10. Coherent Detection4▲ 159×1 topic
  11. Digital Signal Processing4▲ 140×1 topic
  12. Microwave Photonics2▲ 48×2 topics
  13. Optical Access Networks2▲ 121×1 topic
  14. Photonic Signal Processing2▲ 121×1 topic
  15. Efficiency2▲ 9.6×2 topics
  16. Inflammation2▲ 1.29×8 topics
  17. Photovoltaics2▲ 17×3 topics
  18. Semiconductors2▲ 8.8×2 topics
  19. Nanomaterials1▲ 2.3×3 topics
  20. Stability1▲ 11×2 topics
  21. Optical Sensors1▲ 25×2 topics
  22. Photonic Crystals1▲ 19×3 topics
  23. Polymer Electrolyte Membranes1▲ 33×1 topic
  24. Proton Exchange Membranes1▲ 33×1 topic
  25. Thermal Management1▲ 7.0×4 topics
  26. Energy Conversion1▲ 10.0×2 topics
  27. Fiber Optic Sensors1▲ 41×1 topic
  28. Organometal Halide Perovskites1▲ 20×1 topic
  29. Perovskite Solar Cells1▲ 20×1 topic
  30. Semiconductor1▲ 6.6×3 topics
  31. Sensor Technology1▲ 41×1 topic
  32. Machine Learning1▼ 0.56×5 topics
  33. Quantum Dots1▲ 22×2 topics
  34. Electrocatalysis1▲ 6.3×1 topic
  35. Energy Efficiency1▲ 1.91×6 topics
  36. Oxygen Reduction1▲ 14×1 topic

Which research topics does Photonics Electronics Technology Research Association publish most on?

By volume in 2022-now: Photonic and Optical Devices, Semiconductor Lasers and Optical Devices, Optical Network Technologies and Advanced Photonic Communication Systems.

Photonic and Optical Dev…10Photonic and Optical Devices: 10 fractional worksSemiconductor Lasers and…6Semiconductor Lasers and Optical Devices: 6 fractional worksOptical Network Technolo…4Optical Network Technologies: 4 fractional worksAdvanced Photonic Communication Systems: 2 fractional worksPerovskite Materials and Applications: 1 fractional worksFuel Cells and Related Materials: 1 fractional worksAdvanced Fiber Optic Sensors: 1 fractional worksElectrocatalysts for Energy Conversion: 1 fractional worksPhotonic Crystals and Applications: 1 fractional worksSemiconductor Quantum Structures and Devices: 1 fractional works
Electrical and Electronic EngineeringRenewable Energy, Sustainability and the EnvironmentAtomic and Molecular Physics, and Optics

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Photonic and Optical Devices Electrical and Electronic Engineering 10 works
  2. 2 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 6 works
  3. 3 Optical Network Technologies Electrical and Electronic Engineering 4 works
  4. 4 Advanced Photonic Communication Systems Electrical and Electronic Engineering 2 works
  5. 5 Perovskite Materials and Applications Electrical and Electronic Engineering 1 works
  6. 6 Fuel Cells and Related Materials Electrical and Electronic Engineering 1 works
  7. 7 Advanced Fiber Optic Sensors Electrical and Electronic Engineering 1 works
  8. 8 Electrocatalysts for Energy Conversion Renewable Energy, Sustainability and the Environment 1 works
  9. 9 Photonic Crystals and Applications Atomic and Molecular Physics, and Optics 1 works
  10. 10 Semiconductor Quantum Structures and Devices Atomic and Molecular Physics, and Optics 1 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available17.1%not open82.9%

World: 40% of research is openly available.

with international co-authors18.2%domestic only81.8%

World: 18% is written across borders.

How has Photonics Electronics Technology Research Association's research output changed?

Output in 2022-2025 was 51% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Photonics Electronics Technology Research Association as a percentage of every work published that year, 0.00022% in 2024.

still counting0.0020%0.0040%Photonics Electronics Technology Research Association0.00016% in 202519801990200020102020

Fractional works of Photonics Electronics Technology Research Association over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

10%20%30%all institutions10.0% in 2021Photonics Electronics Technology Research Association2.3% in 2021200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 21.5% in 1999.

Other research institutions in Tsukuba

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