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Company · Gräfelfing · Germany

Toptica Photonics (Germany)

In research, Toptica Photonics (Germany) stands highest in Physical Sciences (#12,560 of 21,541 worldwide), over all time. Relative to its size it is most specialised in Electrical and Electronic Engineering and Engineering — Electrical and Electronic Engineering is 12.6× its share of world research.

toptica.comROR OpenAlex
World rank, 2022–2025
#17,216
of 28,054 · #22,748 all time
Rank in Germany
#682
of 1,178
Research works
218
◆ 0% vs 2013–17
Citations
1.8k
8.3 per fractional work
Top-10% rate
5.5%
record average 16.5%
Open access
35%
world 28%

What is Toptica Photonics (Germany) 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
Physical SciencesDomain #12,560 of 21,541 7.0%192

Each strip is that field’s whole ranked pool, with the notch where Toptica Photonics (Germany) 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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

What does Toptica Photonics (Germany) specialise in?

Where its research is concentrated relative to its size: Electrical and Electronic Engineering takes 12.6× the share of its output that it takes of world research.

  1. Electrical and Electronic EngineeringSubfield · 27.9 works13×
  2. EngineeringField · 32.8 works3.5×
← 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: 0.06× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.49× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.02× its world share, 0 worksImmunology and Micro…Chemical Engineering: 0.51× its world share, 0 worksChemical EngineeringChemistry: 3.71× its world share, 4 worksChemistryComputer Science: 0.14× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.09× its world share, 0 worksEarth and Planetary …Engineering: 3.52× its world share, 33 worksEngineeringMaterials Science: 0.30× its world share, 1 worksMaterials SciencePhysics and Astronomy: 14.28× its world share, 20 worksPhysics and AstronomyMedicine: 0.19× its world share, 2 worksMedicineDecision Sciences: 0.56× its world share, 0 worksDecision SciencesPsychology: 0.01× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 14.3×. Every wedge is a field page.

Who are the top researchers at Toptica Photonics (Germany)?

Ranked on the composite score, Nico Vieweg, Anselm Deninger and P. Leisching lead among researchers whose main affiliation is Toptica Photonics (Germany).

  1. 1 Nico Vieweg Germany · #578,736 worldwide 75 citations · 20 works
  2. 2 Anselm Deninger Germany · #907,784 worldwide 52 citations · 15 works
  3. 3 P. Leisching Germany · #916,210 worldwide 64 citations · 28 works
  4. 4 Wilhelm Kaenders Germany · #1,397,570 worldwide 27 citations · 19 works
  5. 5 Christian Nölleke Germany · #1,493,912 worldwide 16 citations · 18 works
  6. 6 Thomas Puppe Germany · #1,563,869 worldwide 10 citations · 22 works
All ranked researchers at Toptica Photonics (Germany)

Which keywords describe research at Toptica Photonics (Germany)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Nonlinear Optics, Raman Lasers, Microwave Photonics, Biosensors, Optical Modulators, Fiber Lasers, Microresonators and Integrated Circuits.

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

Size is fractional works in 2022–2025 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 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Nonlinear Optics12▲ 176×4 topics
  2. Raman Lasers11▲ 161×2 topics
  3. Microwave Photonics10▲ 182×2 topics
  4. Biosensors10▲ 30×4 topics
  5. Optical Modulators10▲ 105×3 topics
  6. Fiber Lasers9▲ 156×3 topics
  7. Microresonators9▲ 179×2 topics
  8. Integrated Circuits8▲ 87×2 topics
  9. Microcavities8▲ 120×1 topic
  10. Silicon Photonics8▲ 123×1 topic
  11. Optical Frequency Combs8▲ 233×1 topic
  12. Ultrafast Lasers8▲ 233×1 topic
  13. Frequency Conversion6▲ 238×3 topics
  14. Optical Interconnects5▲ 198×1 topic
  15. Semiconductor Lasers5▲ 109×1 topic
  16. Gas Sensing4▲ 168×2 topics
  17. Biomedical Applications4▲ 5.1×4 topics
  18. Spectroscopic Databases3▲ 206×1 topic
  19. Terahertz Quantum-Cascade Lasers3▲ 206×1 topic
  20. Solid-State Lasers3▲ 319×1 topic
  21. Spectroscopy3▲ 29×4 topics
  22. Ytterbium3▲ 319×1 topic
  23. Metamaterials3▲ 34×4 topics
  24. Imaging3▲ 19×3 topics
  25. Security Applications2▲ 206×1 topic
  26. Terahertz Technology2▲ 206×1 topic
  27. Electric Discharge2▲ 306×1 topic
  28. Laser Oscillation2▲ 306×1 topic
  29. Molecular Dynamics2▲ 21×2 topics
  30. Optical Fiber2▲ 32×2 topics
  31. Optical Access Networks2▲ 97×1 topic
  32. Photonic Signal Processing2▲ 97×1 topic
  33. Entanglement2▲ 21×3 topics
  34. Attosecond Physics2▲ 133×1 topic
  35. High-Harmonic Generation2▲ 133×1 topic
  36. Structural Health Monitoring2▲ 31×2 topics
  37. Atomic Clocks1▲ 275×1 topic
  38. Optical Clocks1▲ 275×1 topic
  39. High-Power Laser1▲ 114×1 topic
  40. Terahertz1▲ 49×2 topics

Which research topics does Toptica Photonics (Germany) publish most on?

By volume in 2022–2025: Photonic and Optical Devices, Advanced Fiber Laser Technologies, Semiconductor Lasers and Optical Devices and Spectroscopy and Laser Applications.

Photonic and Optical Dev…8Photonic and Optical Devices: 8 fractional worksAdvanced Fiber Laser Tec…8Advanced Fiber Laser Technologies: 8 fractional worksSemiconductor Lasers and Optical Devices: 5 fractional worksSpectroscopy and Laser Applications: 3 fractional worksSolid State Laser Technologies: 3 fractional worksTerahertz technology and…2Terahertz technology and applications: 2 fractional worksLaser Design and Applications: 2 fractional worksAdvanced Photonic Communication Systems: 2 fractional worksLaser-Matter Interactions and Applications: 2 fractional worksAdvanced Frequency and Time Standards: 1 fractional works
Electrical and Electronic EngineeringAtomic and Molecular Physics, and OpticsSpectroscopy

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

  1. 1 Photonic and Optical Devices Electrical and Electronic Engineering 8 works
  2. 2 Advanced Fiber Laser Technologies Atomic and Molecular Physics, and Optics 8 works
  3. 3 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 5 works
  4. 4 Spectroscopy and Laser Applications Spectroscopy 3 works
  5. 5 Solid State Laser Technologies Electrical and Electronic Engineering 3 works
  6. 6 Terahertz technology and applications Electrical and Electronic Engineering 2 works
  7. 7 Laser Design and Applications Electrical and Electronic Engineering 2 works
  8. 8 Advanced Photonic Communication Systems Electrical and Electronic Engineering 2 works
  9. 9 Laser-Matter Interactions and Applications Atomic and Molecular Physics, and Optics 2 works
  10. 10 Advanced Frequency and Time Standards 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 available35.4%not open64.6%

World: 28% of research is openly available.

with international co-authors30.9%domestic only69.1%

World: 19% is written across borders.

How has Toptica Photonics (Germany)'s research output changed?

Output in 2018–2022 was 0% higher than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Gräfelfing

All research institutions in Gräfelfing

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.