Multiplexed Millimeter Wave Communication with Dual Orbital Angular Momentum (OAM) Mode Antennas

• DOI: 10.1038/srep10148
• Publication Date: 2015-05-19T16:15:05Z
• Authors: Xiaonan Hui; Shilie Zheng; Yiling Chen; Yiping Hu; Xiaofeng Jin; Hao Chi; Xianmin Zhang
• Keywords: Extremely high frequency; Directivity; Reflector (photography)

Communications using the orbital angular momentum (OAM) of radio waves have attracted much attention in recent years. In this paper, a novel millimeter-wave dual OAM mode antenna is cleverly designed, which 60 GHz wireless communication link with two separate channels experimentally demonstrated. The main body traveling-wave ring resonator feeding ports fed by 90° hybrid coupler. A parabolic reflector used to focus beams. All components are fabricated 3D printing technique and electro-less copper plating surface treatment process. performances antenna, such as S-parameters, near-fields, directivity, isolation between modes measured. Experimental results show that can radiate coaxially propagating beams simultaneously. multiplexing de-multiplexing easily realized antennas themselves. good more than 20 dB, thus ensuring reliable transmission links at same time.