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Noise Level Modulation for Secure Optical Communications
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DOI：10.1109/ACCESS.2024.3476520.png)
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Noise Level Modulation (NLM) is a robust physical-layer security technique which uses the injection of random phase noise into the transmitted signal to provide confidentiality in optical networks. The legitimate receiver can seamlessly recover the information by utilizing a feedback loop, while eavesdropping attempts fail, irrespective of the attacker's location or computational capabilities. This paper outlines the theoretical and implementation principles of NLM when applied to full fiber-optic networks. Our findings reveal that NLM can attain a complete secrecy rate while ensuring compatibility with existing optical devices and protocols. We also propose a practical fiber optic-based implementation scheme, providing a thorough analysis of its variations from the theoretical framework. Furthermore, we delve into the challenges associated with NLM in the context of secure full optical communication systems and explore potential future directions.
Keyword:
Optical fibers
Security
Optical receivers
Optical fiber networks
Encryption
Optical noise
Noise measurement
Optical modulation
Optical transmitters
Optical fiber devices
Optical fiber communication
Information security
Optical communications
physical layer security
noise injection
noise modulation
information theoretical security
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology SocietyIF0
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Secure communication in fiber optic systems via transmission of broad-band optical noiseOPTICS EXPRESSOAAI
OPTICS EXPRESSIF3.3
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