非相同混沌激光系统的光密码通信

IF 2.1 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Romanian Reports in Physics Pub Date : 2023-09-15 DOI:10.59277/romrepphys.2023.75.408
I.R. ANDREI, S. SIMION, F. GAROI, M. BULINSKI, M.L. PASCU
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引用次数: 0

摘要

“我们报告了使用具有不同外部腔几何形状的混沌激光器并应用基于混沌光载波的子载波和相位调制的混沌掩蔽方法进行安全数据传输。采用环形外腔和线性外腔分别提供相似的多模发射光谱和自光反馈的两种半导体激光器,将其光耦合并混沌同步到主从方案中。所发射的消息频率调制射频信号,射频信号按相位调制主混沌载波。基于所采用的加密方法的鲁棒性和两束激光的同步特性,通过对从发射进行简单的射频频谱监测进行解密。
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Optical cryptographic communications with non-identical chaotic laser systems
"We report secure data transmission performed using chaotic lasers with different external cavity geometries and applying the chaotic masking method based on subcarrier and phase modulations of the chaotic optical carrier. Two semiconductor lasers with similar multimode emission spectra and self-optical feedback provided, respectively, by ring and linear external cavities, were optically coupled and chaotically synchronized into a master – slave scheme. The transmitted message frequency modulates the radio frequency signal which modulates in phase the master chaotic carrier. Based on the robustness of the used encryption method and the synchronization characteristics of the two lasers, the decryption is conducted by the simple radio frequency spectrum monitoring of the slave emission."
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来源期刊
Romanian Reports in Physics
Romanian Reports in Physics 物理-物理:综合
CiteScore
4.20
自引率
29.60%
发文量
0
审稿时长
4-8 weeks
期刊介绍: Romanian Reports in Physics is a journal publishing physics contributions in the fields of: 1. Mathematical and General Physics 2. Nuclear Physics. Particle Physics. Astroparticle Physics 3. Atomic and Molecular Physics 4. Plasma Physics 5. Condensed Matter 6. Optics & Quantum Electronics 7. Biophysics & Medical Physics. Environmental Physics 8. Physical Methods and Instrumentation 9. Earth Physics
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