【摘 要】
:
1992年Allen等认识到光子可以携带轨道角动量(OAM),其表现为波前的螺旋相位分布.由于其独特的光场分布以及其拓扑荷理论上可取任意整数等特性,OAM光束在超分辨成像、高密度数据编码等领域具有重要作用.对微纳尺度下OAM光束与物质相互作用新机制的研究,有望为现代光子器件以及多维光与物质相互作用等领域提供新的思路和方法.介绍了本课题组利用OAM光束在纳米结构上实现多维信息复用以及OAM光束拓扑荷的探测技术,并对纳米尺度OAM光束的应用进行了展望.
【机 构】
:
暨南大学光子技术研究院,广东省光纤传感与通信技术重点实验室, 广东 广州 511436;广东工业大学先进光子技术研究院, 广东 广州 510006
论文部分内容阅读
1992年Allen等认识到光子可以携带轨道角动量(OAM),其表现为波前的螺旋相位分布.由于其独特的光场分布以及其拓扑荷理论上可取任意整数等特性,OAM光束在超分辨成像、高密度数据编码等领域具有重要作用.对微纳尺度下OAM光束与物质相互作用新机制的研究,有望为现代光子器件以及多维光与物质相互作用等领域提供新的思路和方法.介绍了本课题组利用OAM光束在纳米结构上实现多维信息复用以及OAM光束拓扑荷的探测技术,并对纳米尺度OAM光束的应用进行了展望.
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