Intrinsically stable phase-modulated polarization encoding system for quantum key distribution |
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| Authors: | Xiaobao Liu Jinglong Mi Jindong Wang Songhao Liu |
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| Affiliation: | Laboratory of Photonic Information Technology, School for Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China |
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| Abstract: | ![]()
We demonstrate experimentally an intrinsically stable polarization coding and decoding system composed of optical-fiber Sagnac interferometers with integrated phase modulators for quantum key distribution. An interference visibility of 98.35% can be kept longtime during the experiment without any efforts of active compensation for coding all four desired polarization states. |
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| Keywords: | 03.67.Dd |
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