Quantum Information and Cryptography
Quantum Information and Cryptography is a research topic within Artificial Intelligence. Science Explorer counts 58k research works in it since 1950. 27.8% of them reached the world's top 10% most cited for their field and year.
This cluster of papers covers a wide range of topics in the field of quantum information, including quantum entanglement, cryptography, computation, metrology, superconducting circuits, photon manipulation, measurement, security, and communication. It reflects the ongoing advancements and diverse applications of quantum technologies in various domains.
- Quantum
- Entanglement
- Cryptography
- Computation
- Metrology
- Superconducting Circuits
- Photon
- Measurement
- Security
- Communication
- Research works
- 58k fractional, since 1950
- In the world top 10%
- 16k per year above
- Top-10% rate
- 27.8% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +27% the tick is no change
Which countries lead Quantum Information and Cryptography research?
By volume, China and the United States publish the most (2.9k and 2.2k works in 2022–2025).
By volume, 2022–2025
- 1 China 2.9k works
- 2 United States 2.2k works
- 3 India 817 works
- 4 Germany 782 works
- 5 Japan 527 works
- 6 United Kingdom 484 works
- 7 Italy 480 works
- 8 France 395 works
- 9 Russia 349 works
- 10 Spain 323 works
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Quantum Information and Cryptography research?
By volume in 2022–2025, University of Science and Technology of China publishes the most Quantum Information and Cryptography research, followed by Beijing University of Posts and Telecommunications and Tsinghua University.
By volume, 2022–2025
- 1 University of Science and Technology of ChinaChina 128 works
- 2 Beijing University of Posts and TelecommunicationsChina 79 works
- 3 Tsinghua UniversityChina 72 works
- 4 Centre National de la Recherche ScientifiqueFrance 62 works
- 5 Massachusetts Institute of TechnologyUnited States 58 works
- 6 The University of TokyoJapan 55 works
- 7 University of WaterlooCanada 54 works
- 8 Nanjing University of Posts and TelecommunicationsChina 50 works
- 9 Technical University of MunichGermany 50 works
- 10 Chinese Academy of SciencesChina 47 works
Who are the leading researchers in Quantum Information and Cryptography?
The most-cited researchers publishing on Quantum Information and Cryptography include L. J. Sham, A. J. Barr and Kenji Watanabe.
- 1 L. J. Sham United States 13k citations
- 2 A. J. Barr United States 7k citations
- 3 Kenji Watanabe Japan 6.4k citations
- 4 Takashi Taniguchi Japan 6.2k citations
- 5 Dacheng Tao Australia 6.1k citations
- 6 Heng Fan China 5.5k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Quantum Information and Cryptography research done?
The largest centres of Quantum Information and Cryptography research in 2022–2025 are Beijing (China), Hefei (China), Tokyo (Japan) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Armonk.
Largest cities, 2022–2025
Where it is the local speciality
- ArmonkUS · 20.8 works36×
Location quotient: how much more of its research is in Quantum Information and Cryptography than the world average.
Where is the best place to study Quantum Information and Cryptography?
Among universities, judged by research, California Institute of Technology, Scuola Internazionale Superiore di Studi Avanzati and Munich Center for Quantum Science and Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | California Institute of TechnologyUnited States | 69.8 | 53.3% | 12.9× | 37 | +20.7% |
| 2 | Scuola Internazionale Superiore di Studi AvanzatiItaly | 68.0 | 44.4% | 18.5× | 10 | +329.8% |
| 3 | Munich Center for Quantum Science and TechnologyGermany | 64.2 | 41.9% | 119.0× | 20 | — |
| 4 | Massachusetts Institute of TechnologyUnited States | 62.9 | 44.5% | 7.7× | 58 | +28.9% |
| 5 | Universität InnsbruckAustria | 62.2 | 40.3% | 9.8× | 34 | +19.5% |
| 6 | University of Science and Technology of ChinaChina | 61.4 | 28.4% | 8.8× | 128 | +32.9% |
| 7 | University of ChicagoUnited States | 60.7 | 45.9% | 4.8× | 47 | +162.3% |
| 8 | Nanjing University of Posts and TelecommunicationsChina | 60.4 | 28.9% | 9.4× | 50 | +106.4% |
| 9 | Okinawa Institute of Science and Technology Graduate UniversityJapan | 59.8 | 26.0% | 34.2× | 22 | +121.6% |
| 10 | Northeast Normal UniversityChina | 58.5 | 27.7% | 8.8× | 23 | +217.9% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Quantum Information and Cryptography research growing?
Output in 2018–2022 was 27% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Quantum Information and Cryptography.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.