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Examination of China's performance and thematic evolution in quantum cryptography research using quantitative and
1United States Military Academy, West Point, NY, United States of America.
Plos One
|February 1, 2018
Summary
China
Area of Science:
- Quantum Cryptography (QC)
- Computational Science
- Bibliometrics
Background:
- China's quantum cryptography (QC) research landscape from 2001-2017.
- Global comparison of QC research performance.
- Evolution of QC research themes in China.
Purpose of the Study:
- To analyze China's quantum cryptography (QC) research performance and thematic evolution.
- To benchmark China's QC output against global peers.
- To identify shifts in QC research focus and emerging areas.
Main Methods:
- Quantitative and qualitative analysis of publication metadata (2001-2017).
- Co-word cluster network analysis for thematic evolution.
- Examination of performance indicators: Publication Frequency, citation score, H-index.
Main Results:
- China's QC research performance has dramatically increased, achieving a leading global position.
- China's H-index has surpassed all other countries in recent years.
- Key research themes evolved, with an emphasis on applied quantum key distribution, photon-optical communication, and quantum entanglement.
Conclusions:
- China has emerged as the primary global driver of quantum cryptography (QC) research.
- Understanding China's evolving QC research themes provides insight into future technology development.
- Findings support science and technology policy research for future planning.

