Multiple generations of high-order orbital angular momentum modes through cascaded third-harmonic generation in a 2D nonlinear photonic crystal

被引：18

作者：

Wei, Dan ^{[1
,2
]}

Guo, Jiale ^{[1
,2
]}

Fang, Xinyuan ^{[1
,2
]}

Wei, Dunzhao ^{[1
,2
]}

Ni, Rui ^{[1
,2
]}

Chen, Peng ^{[1
,2
]}

Hu, Xiaopeng ^{[1
,2
]}

Zhang, Yong ^{[1
,2
]}

Hu, Wei ^{[1
,2
]}

Lu, Y. Q. ^{[1
,2
]}

Zhu, S. N. ^{[1
,2
]}

Xiao, Min ^{[1
,2
,3
]}

机构：

[1] Nanjing Univ, Coll Engn & Appl Sci, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[2] Nanjing Univ, Sch Phys, Nanjing 210093, Jiangsu, Peoples R China

[3] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 10期

基金：

中国国家自然科学基金;

关键词：

2ND-HARMONIC GENERATION; BEAMS; LIGHT; ENTANGLEMENT; CONVERSION;

D O I：

10.1364/OE.25.011556

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We experimentally demonstrate multiple generations of high-order orbital angular momentum (OAM) modes through third-harmonic generation in a 2D nonlinear photonic crystal. Such third-harmonic generation process is achieved by cascading second-harmonic generation and sum-frequency generation using the non-collinear quasi-phase-matching technique. This technique allows multiple OAM modes with different colors to be simultaneously generated. Moreover, the OAM conservation law guarantees that the topological charge is tripled in the cascaded third-harmonic generation process. Our method is effective for obtaining multiple high-order OAM modes for optical imaging, manipulation, and communications. (C) 2017 Optical Society of America

引用

页码：11556 / 11563

页数：8

共 39 条

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