On-chip generation of the reconfigurable orbital angular momentum with high order

Optics Express
Ai-Ping LiuXi-Feng Ren

Abstract

In this manuscript, the generation of an optical vortex beam with high order and reconfigurable orbital angular momentum (OAM) is studied. Multi-waveguide holographic gratings (MWHG) are deployed to generate OAM beams with high order. The generation of the OAM beam with an order l from +4 to +8 is demonstrated by numerical simulations, and the generated OAM order is manipulable and configurable by incident phase. The working bandwidths of the MWHG for different OAM orders are at the level of 40 nm. This work could provide valuable references for practical implementation of OAM in integrated optics.

References

Oct 23, 2012·Science·Xinlun CaiSiyuan Yu
Oct 30, 2015·Optics Letters·Kevin LukeMichal Lipson
Jun 9, 2016·Proceedings of the National Academy of Sciences of the United States of America·Bo PengLan Yang
Jul 30, 2016·Science·Pei MiaoLiang Feng
Nov 10, 2016·Applied Optics·Bereneice SephtonAndrew Forbes
Nov 3, 2017·Optics Express·Christopher T NadovichDavid T Crouse

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