Recent advances in optical cryptography
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摘要:在总结基于耦合半导体 器光学混沌的产生和同步原理的基础上,讨论了其在光学密码术中的应用,提出了基于混沌载波的数字加密基本方案和改进方案,包括混沌掩膜法(CM)和混沌键控法(CSK)。最后,给出了混沌加密传输技术的一些最新进展,如相位调制(PM)、自由空间光学链路(FSOL)、多 器和多用户方案等。Abstract:After summarizing the fundamentals of optical chaos generation and synchronization with coupled semiconductor lasers, we consider their application in optical cryptography, and present basic and more advanced schemes of data coding on chaotic carriers, as proposed in the literature, including Chaos masking(CM) and Chaos Shift Keying(CSK). Finally, we outline some recent developments of the chaos secure transmission technique, such as Phase Modulation(PM), Free-Space Optical Link(FSOL), multi-laser and multi-user schemes.
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Key words:
- optical cryptography/
- chaos/
- self-mixing/
- laser diodes
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