Le Ma, Jie Zhang, Bo Wang, Chao Lei, Yajie Li, Qian Qu, Bo Xiao, Yutong Wang, Pingliang Yuan. Quantum Noise Stream Cipher of Optical Communication in Physical Layer Security[J]. Laser & Optoelectronics Progress, 2020, 57(23): 230603
- Laser & Optoelectronics Progress
- Vol. 57, Issue 23, 230603 (2020)
Fig. 1. Diagram of Y-00 encryption and decryption configuration
Fig. 2. Y-00 key generation process
Fig. 3. Y-00 encryption process
Fig. 4. Key technique of QNSC
Fig. 5. Schematic of ISK/QNSC principle
Fig. 6. Principle schematic of two technologies. (a) PSK/QNSC; (b) QAM/QNSC
Fig. 7. Theoretical model of endogenously secure optical communication system
Fig. 8. Research progress of endogenously secure optical communication
Fig. 9. Physical diagram of secure transmission and key negotiation joint system
Fig. 10. Results of the experiment. (a) Effect of input signal power on Q factor; (b) effect of input signal power on BER; (c) relationship between the probability of information interception and distance; (d) key consistency test results of communication parties
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Table 1. Comparison between BB84-TYPE and Y-00[3]
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Table 2. Running key randomness test result
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