期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.070602
关键词
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资金
- Ministry of Education, Culture, Sports, Science, and Technology in Japan
- NTT Corporation
- NTT Communication Science Laboratories
- Grants-in-Aid for Scientific Research [21686009] Funding Source: KAKEN
We propose a secure key distribution scheme based on correlated physical randomness in remote optical scramblers driven by common random light. The security of the scheme depends on the practical difficulty of completely observing random optical phenomena. We describe a particular realization using the synchronization of semiconductor lasers injected with common light of randomly varying phase. We experimentally demonstrate the feasibility of the scheme over a distance of 120 km.
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