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Alignment and measurement for back-end optical system of quantum communication
Xu, Qi-Rui1,2; Fan, Bin1
Source PublicationProceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment
Volume9684Pages:96841G
2016
Language英语
ISSN0277-786X
DOI10.1117/12.2242142
Indexed BySCI ; Ei
WOS IDWOS:000387429500052
SubtypeC
AbstractThis paper introduced the method of alignment and measurement for back-end optical system of quantum communication ground station. The alignment methods of important components of system such as 20 constriction multiplicator, single photon detector mechanism and so on were introduced at first. The alignment method of the key receiving optical path and the entanglement receiving optical path which were integrated into coaxial multi optical path with other three optical paths were described in detail. Finally the back-end optical system was tested indoors with an optical power meter and a collimator. The results shows that the quantum key signal (@850nm) receiving efficiency is 27.6%, the average polarization contrast is better than 320:1, the receiving efficiency of quantum entanglement signal (@810nm) was 28.6%, and the average polarization contrast is better than 180:1. © 2016 SPIE.
KeywordAlignment Efficiency Manufacture Optical Collimators Optical Communication Optical Systems Optical Testing Particle Beams Photons Polarization Quantum Efficiency Quantum Entanglement
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8525
Collection先光中心
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu
2.610209, China
3. Graduate School of the Chinese Academy of Sciences, Beijing
4.100039, China
Recommended Citation
GB/T 7714
Xu, Qi-Rui,Fan, Bin. Alignment and measurement for back-end optical system of quantum communication[J]. Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment,2016,9684:96841G.
APA Xu, Qi-Rui,&Fan, Bin.(2016).Alignment and measurement for back-end optical system of quantum communication.Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment,9684,96841G.
MLA Xu, Qi-Rui,et al."Alignment and measurement for back-end optical system of quantum communication".Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technology: Optical Test, Measurement Technology, and Equipment 9684(2016):96841G.
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