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Method on multi-dimensional modulation in inter-satellite quantum communication
Author(s): Yu Zhu; Lei Shi; Jia-hua Wei; Qiu-li Zhu; Ru Yang; Gu-hao Zhao
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Paper Abstract

A multi-dimensional modulation scheme in inter-satellite quantum communication based on pulse position modulation and polarization encoding is put forward and designed. By this way we can send additional classical signal simultaneously when transmitting quantum signal. The basic principle of multi-dimensional modulation scheme is introduced. Simulation experiment is performed using Optisystem and Matlab simultaneously. The binary sequence before modulation and that after demodulation are compared and analyzed. The error bit rate, eye diagram and quality factor of classical optical date are obtained. Stabilities of classical optical signal during the transmission are tested. The results show that this multi-dimensional modulation scheme can decrease the numbers of information channels needed, increase information transmission efficiency and reduce the demands for power load systematic complexity in communication terminals. The proposed coexistence system is confirmed to be effective and applicable.

Paper Details

Date Published: 12 March 2019
PDF: 9 pages
Proc. SPIE 11023, Fifth Symposium on Novel Optoelectronic Detection Technology and Application, 110230A (12 March 2019); doi: 10.1117/12.2518118
Show Author Affiliations
Yu Zhu, Air Force Engineering Univ. (China)
Lei Shi, Air Force Engineering Univ. (China)
Jia-hua Wei, Air Force Engineering Univ. (China)
Qiu-li Zhu, Air Force Engineering Univ. (China)
Ru Yang, Air Force Engineering Univ. (China)
Gu-hao Zhao, Air Force Engineering Univ. (China)


Published in SPIE Proceedings Vol. 11023:
Fifth Symposium on Novel Optoelectronic Detection Technology and Application
Qifeng Yu; Wei Huang; You He, Editor(s)

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