Question 1

Which countries lead Quantum Information and Cryptography research?

Accepted Answer

By volume, China and the United States publish the most (3.3k and 2.5k works in 2022-now).

Question 2

Which institutions lead Quantum Information and Cryptography research?

Accepted Answer

By volume in 2022-now, Chinese Academy of Sciences publishes the most Quantum Information and Cryptography research, followed by Centre National de la Recherche Scientifique and University of Science and Technology of China.

Question 3

Who are the leading researchers in Quantum Information and Cryptography?

Accepted Answer

The most-cited researchers publishing on Quantum Information and Cryptography include Wei Huang, Mark Gerstein and Kenji Watanabe.

Question 4

Where is Quantum Information and Cryptography research done?

Accepted Answer

The largest centres of Quantum Information and Cryptography research in 2022-now 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.

Question 5

Where is the best place to study Quantum Information and Cryptography?

Accepted Answer

Among universities, judged by research, California Institute of Technology, Yale University and Delft University of Technology score highest, combining citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

Question 6

Is Quantum Information and Cryptography research growing?

Accepted Answer

Output in 2022-2025 was 37% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Quantum Information and Cryptography.

Question 7

What are the most cited papers in Quantum Information and Cryptography?

Accepted Answer

The most cited paper in Quantum Information and Cryptography is "Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels" (Charles H. Bennett, Gilles Brassard, Claude Crépeau et al., 1993), with 13,933 citations. Next come "On the Einstein Podolsky Rosen paradox" (12,389) and "Quantum cryptography based on Bell’s theorem" (10,906).