Orbital angular momentum channel monitoring of coaxially multiplexed vortices by diffraction pattern analysis

Shiyao Fu; Yanwang Zhai; Tonglu Wang; Ci Yin; Chunqing Gao

doi:10.1364/AO.57.001056

Orbital angular momentum channel monitoring of coaxially multiplexed vortices by diffraction pattern analysis

Shiyao Fu, Yanwang Zhai, Tonglu Wang, Ci Yin, Chunqing Gao^*

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We theoretically and experimentally demonstrate a scheme to monitor the weight of a single orbital angular momentum (OAM) channel for coaxial multiplexed optical vortices with large mode spacing. A specially designed holographic grating is illuminated by the incident multiplexed vortices first. Then the weight of each single OAM channel is obtained after analyzing the captured diffraction patterns. This work will find applications in domains where multiplexed optical vortices are of interest, such as the OAM-based data-transmission system, and so on.

Original language	English
Pages (from-to)	1056-1060
Number of pages	5
Journal	Applied Optics
Volume	57
Issue number	5
DOIs	https://doi.org/10.1364/AO.57.001056
Publication status	Published - 2018

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abstract = "We theoretically and experimentally demonstrate a scheme to monitor the weight of a single orbital angular momentum (OAM) channel for coaxial multiplexed optical vortices with large mode spacing. A specially designed holographic grating is illuminated by the incident multiplexed vortices first. Then the weight of each single OAM channel is obtained after analyzing the captured diffraction patterns. This work will find applications in domains where multiplexed optical vortices are of interest, such as the OAM-based data-transmission system, and so on.",

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AU - Fu, Shiyao

AU - Zhai, Yanwang

AU - Wang, Tonglu

AU - Yin, Ci

AU - Gao, Chunqing

PY - 2018

Y1 - 2018

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AB - We theoretically and experimentally demonstrate a scheme to monitor the weight of a single orbital angular momentum (OAM) channel for coaxial multiplexed optical vortices with large mode spacing. A specially designed holographic grating is illuminated by the incident multiplexed vortices first. Then the weight of each single OAM channel is obtained after analyzing the captured diffraction patterns. This work will find applications in domains where multiplexed optical vortices are of interest, such as the OAM-based data-transmission system, and so on.

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Orbital angular momentum channel monitoring of coaxially multiplexed vortices by diffraction pattern analysis

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