Single mode fiber based delivery of OAM light by 3D direct laser writing

被引：89

作者：

Weber, Ksenia ^{[1
,2
]}

Huett, Felix ^{[1
,2
]}

Thiele, Simon ^{[3
,4
]}

Gissibl, Timo ^{[1
,2
]}

Herkommer, Alois ^{[3
,4
]}

Giessen, Harald ^{[1
,2
]}

机构：

[1] Univ Stuttgart, Phys Inst 4, Pfaffenwaldring 57, D-70569 Stuttgart, Germany

[2] Univ Stuttgart, Res Ctr SCoPE, Pfaffenwaldring 57, D-70569 Stuttgart, Germany

[3] Univ Stuttgart, Inst Appl Opt, Pfaffenwaldring 9, D-70569 Stuttgart, Germany

[4] Univ Stuttgart, Res Ctr SCoPE, Pfaffenwaldring 9, D-70569 Stuttgart, Germany

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 17期

基金：

欧洲研究理事会;

关键词：

ORBITAL-ANGULAR-MOMENTUM; OPTICAL-FIBERS; GENERATION; BEAM;

D O I：

10.1364/OE.25.019672

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate orbital-angular momentum (OAM) light up to a topological charge of l = 3 behind a single mode fiber. Femtosecond 3D direct laser writing is used to fabricate spiral phase plates of l = 1, 2 and 3, composed of 10 discrete steps, on the tip of single mode optical fibers. These structures efficiently convert out-coupled light from the fiber at 785 nm wavelength into optical vortex beams carrying an orbital-angular momentum of lh per photon. Far field intensity patterns and interferograms of the OAM beams are recorded using a CCD camera. The results are in excellent agreement with numerical simulations obtained from the wave propagation method. (C) 2017 Optical Society of America

引用

页码：19672 / 19679

页数：8

共 44 条

[1] ORBITAL ANGULAR-MOMENTUM OF LIGHT AND THE TRANSFORMATION OF LAGUERRE-GAUSSIAN LASER MODES [J].