| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Phase-Shifting-Free Interferometric Cryptosystem |
| Tuo Li1,2, Yi-Shi Shi3,4** |
1Department of Applied Statistics and Science, Xijing University, Xi'an 710123
2Engineering Technology Research Center of Controllable Neutron Source and Its Application, Xijing University, Xi'an 710123
3College of Material Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049
4Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing 100094
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| Cite this article: |
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Tuo Li, Yi-Shi Shi 2017 Chin. Phys. Lett. 34 034203 |
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Abstract Conventional phase-shifting interferometry-based (PSI-based) cryptosystem needs at least two-step phase-shifting. In this work, we propose a phase-shifting-free interferometric cryptosystem, which needs only one interferogram recording. Since the phase-shifting step is not required in the proposed cryptosystem, not only the low encryption speed which is a bottleneck problem of the conventional PSI-based one is solved, but also the setup of the cryptosystem is simplified. A series of simulation experimental results demonstrate the validity and robustness of the proposed cryptosystem.
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Received: 22 December 2016
Published: 28 February 2017
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| Fund: Supported by the National Natural Science Foundation of China under Grant No 61575197, the K. C. Wong Education Foundation, the Fusion Foundation of Research and Education of Chinese Academy of Sciences, and the Youth Innovation Promotion Association of Chinese Academy of Sciences. |
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