Spinning Light on the Nanoscale

被引：95

作者：

Sun, Jingbo ^{[1
]}

Wang, Xi ^{[1
]}

Xu, Tianboyu ^{[1
]}

Kudyshev, Zhaxylyk A. ^{[1
]}

Cartwright, Alexander N. ^{[1
]}

Litchinitser, Natalia M. ^{[1
]}

机构：

[1] SUNY Buffalo, Dept Elect Engn, Buffalo, NY 14260 USA

来源：

NANO LETTERS | 2014年 / 14卷 / 05期

关键词：

Optical vortex; cylindrical nanowaveguide; phase control; orbital angular momentum; ORBITAL ANGULAR-MOMENTUM; PANCHARATNAM-BERRY PHASE; LENSES; TRANSMISSION; REFLECTION; BEAM;

D O I：

10.1021/nl500658n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Light beams with orbital angular momentum have significant potential to transform many areas of modern photonics from imaging to classical and quantum communication systems. We design and experimentally demonstrate an ultracompact array of nanowaveguides with a circular graded distribution of channel diameters that coverts a conventional laser beam into a vortex with an orbital angular momentum. The proposed nanoscale beam converter is likely to enable a new generation of on-chip or all-fiber structured light applications.

引用

页码：2726 / 2729

页数：4

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