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水下轨道角动量态传输特性的实验研究

Experimental Investigation of Underwater Propagation Characteristics of Orbital Angular Momentum

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摘要

通过实验方法研究轨道角动量(OAM)态水下传输特性。首先搭建OAM态水下光通信系统,然后通过OAM态展开谱和接收到的初始及其相邻OAM态概率变化曲线来研究其水下传输能力。实验结果表明:随着盐度的增加,初始OAM态的概率明显降低;相邻OAM态的传输概率随着拓扑荷间隔的增加而减少。

Abstract

We study the underwater propagation characteristics of orbital angular momentum (OAM) states by experimental method. We build an underwater optical communication system of OAM states, and then discuss the underwater transmission capacity of OAM states by the spread spectra and the probability curves of the original and adjacent OAM states. The experimental results show that the probability of original OAM state decreases significantly with the increasing of salinity, and the propagation probability decreases with the increasing of topological charge interval.

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中图分类号:TN929.3

DOI:10.3788/aos201838.0606004

所属栏目:光纤光学与光通信

收稿日期:2017-11-27

修改稿日期:2018-01-03

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潘孙翔:南京邮电大学信号处理与传输研究院, 江苏 南京 210003
赵生妹:南京邮电大学信号处理与传输研究院, 江苏 南京 210003南京邮电大学宽带无线通信与传感网技术教育部重点实验室, 江苏 南京 210003
王乐:南京邮电大学信号处理与传输研究院, 江苏 南京 210003
姚浩:南京邮电大学信号处理与传输研究院, 江苏 南京 210003
李威:南京邮电大学信号处理与传输研究院, 江苏 南京 210003

联系人作者:赵生妹(zhaosm@njupt.edu.cn)

备注:潘孙翔(1995-),男,硕士研究生,主要从事轨道角动量通信方面的研究。E-mail: pansx1995@qq.com

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引用该论文

Pan Sunxiang,Zhao Shengmei,Wang Le,Yao Hao,Li Wei. Experimental Investigation of Underwater Propagation Characteristics of Orbital Angular Momentum[J]. Acta Optica Sinica, 2018, 38(6): 0606004

潘孙翔,赵生妹,王乐,姚浩,李威. 水下轨道角动量态传输特性的实验研究[J]. 光学学报, 2018, 38(6): 0606004

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