All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler

All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler

All-fiber orbital angular momentum (OAM) amplifier with high purity and broadband spectrum gain based on a fused taper vortex-beam coupler (VBC) has been studied. Active and passive few-mode fibers (FMFs), which have similar geometric parameters, are fabricated. A VBC using a single-mode fiber and a...

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Main Authors: Jianxiang Wen, Xinyu He, Jianfei Xing, Junfeng Yang, Fufei Pang, Xianglong Zeng, Zhenyi Chen, Tingyun Wang
Format: Article
Language:English
Published: IEEE 2018-01-01
Series:IEEE Photonics Journal
Subjects:
Optical vortices
optical amplifiers
fiber-optics amplifiers and oscillators.
Online Access:https://ieeexplore.ieee.org/document/8496779/
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spelling doaj-cb12d2a0e62148f687d870c45c0763872021-03-29T17:51:58ZengIEEEIEEE Photonics Journal1943-06552018-01-011061810.1109/JPHOT.2018.28720408496779All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam CouplerJianxiang Wen0https://orcid.org/0000-0003-2779-4114Xinyu He1Jianfei Xing2Junfeng Yang3Fufei Pang4https://orcid.org/0000-0002-8925-6947Xianglong Zeng5https://orcid.org/0000-0002-1591-0053Zhenyi Chen6Tingyun Wang7Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaKey Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Shanghai University, Shanghai, ChinaAll-fiber orbital angular momentum (OAM) amplifier with high purity and broadband spectrum gain based on a fused taper vortex-beam coupler (VBC) has been studied. Active and passive few-mode fibers (FMFs), which have similar geometric parameters, are fabricated. A VBC using a single-mode fiber and a passive FMF is designed and fabricated. The VBC can generate the first-order OAM in the range of 1480-1640 nm and its purity up to 91%. Then, an all-fiber vortex amplification system is constructed for the first time, and the first-order OAM is amplified using this system with a low-gain difference (ΔG). The gain exceeds 22 dB at 1549 nm, and its full width at half maximum is approximately 40 nm: 1519-1559 nm. This is a novel all-fiber OAM amplification system with a simple structure and low cost that is applicable in optical communication fields.https://ieeexplore.ieee.org/document/8496779/Optical vorticesoptical amplifiersfiber-optics amplifiers and oscillators.
collection DOAJ
language English
format Article
sources DOAJ
author Jianxiang Wen
Xinyu He
Jianfei Xing
Junfeng Yang
Fufei Pang
Xianglong Zeng
Zhenyi Chen
Tingyun Wang
spellingShingle Jianxiang Wen
Xinyu He
Jianfei Xing
Junfeng Yang
Fufei Pang
Xianglong Zeng
Zhenyi Chen
Tingyun Wang
All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler
IEEE Photonics Journal
Optical vortices
optical amplifiers
fiber-optics amplifiers and oscillators.
author_facet Jianxiang Wen
Xinyu He
Jianfei Xing
Junfeng Yang
Fufei Pang
Xianglong Zeng
Zhenyi Chen
Tingyun Wang
author_sort Jianxiang Wen
title All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler
title_short All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler
title_full All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler
title_fullStr All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler
title_full_unstemmed All-Fiber OAM Amplifier With High Purity and Broadband Spectrum Gain Based on Fused Taper Vortex-Beam Coupler
title_sort all-fiber oam amplifier with high purity and broadband spectrum gain based on fused taper vortex-beam coupler
publisher IEEE
series IEEE Photonics Journal
issn 1943-0655
publishDate 2018-01-01
description All-fiber orbital angular momentum (OAM) amplifier with high purity and broadband spectrum gain based on a fused taper vortex-beam coupler (VBC) has been studied. Active and passive few-mode fibers (FMFs), which have similar geometric parameters, are fabricated. A VBC using a single-mode fiber and a passive FMF is designed and fabricated. The VBC can generate the first-order OAM in the range of 1480-1640 nm and its purity up to 91%. Then, an all-fiber vortex amplification system is constructed for the first time, and the first-order OAM is amplified using this system with a low-gain difference (ΔG). The gain exceeds 22 dB at 1549 nm, and its full width at half maximum is approximately 40 nm: 1519-1559 nm. This is a novel all-fiber OAM amplification system with a simple structure and low cost that is applicable in optical communication fields.
topic Optical vortices
optical amplifiers
fiber-optics amplifiers and oscillators.
url https://ieeexplore.ieee.org/document/8496779/
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