Confidentiality analysis of optical code-based secure optical communication system

Bo Dai; Yu Huang; Ziao Jiao; Kaimin Wang; Dawei Zhang; Xu Wang

doi:10.1117/1.OE.57.10.100502

19 October 2018 Confidentiality analysis of optical code-based secure optical communication system

Bo Dai, Yu Huang, Ziao Jiao, Kaimin Wang, Dawei Zhang, Xu Wang

Author Affiliations +

Optical Engineering, Vol. 57, Issue 10, 100502 (October 2018). https://doi.org/10.1117/1.OE.57.10.100502

Abstract

A theoretical model is proposed to analyze the time-domain spectral phase en/decoding and evaluate the unconditional security of the optical code-based secure optical communication systems with DPSK modulation. The confidentiality of the systems with and without bit-by-bit code scrambling technique is investigated. It mathematically proves that the system without code scrambling lacks confidentiality and the system employing code scrambling can realize unconditionally secure transmission. Furthermore, encoding only within the central band of the spectrum is sufficient for perfect secrecy, and the secrecy rate can be potentially improved. It allows the system to operate in the burst mode for code generation and encoding and thus have an idle time for rearm.

Citation Download Citation

Bo Dai, Yu Huang, Ziao Jiao, Kaimin Wang, Dawei Zhang, and Xu Wang "Confidentiality analysis of optical code-based secure optical communication system," Optical Engineering 57(10), 100502 (19 October 2018). https://doi.org/10.1117/1.OE.57.10.100502

Received: 15 May 2018; Accepted: 2 October 2018; Published: 19 October 2018

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