Generation, transmission and application of orbital angular momentum in optical fiber: A review

M Ma, Y Lian, Y Wang, Z Lu - Frontiers in Physics, 2021 - frontiersin.org
Optical orbital angular momentum (OAM) has become a hot research topic because of its
unique properties due to its spiral distribution of phases. The production and transmission of …

Generation of orbital angular momentum modes using fiber systems

H Zhang, B Mao, Y Han, Z Wang, Y Yue, Y Liu - Applied Sciences, 2019 - mdpi.com
Featured Application In this paper, the basic concepts of fiber modes, the principle of
generation and detection of orbital angular momentum (OAM) modes are exhaustive …

Ultra-long-period grating-based multi-wavelength ultrafast fiber laser

B Guo, X Guo, L Tang, W Yang, Q Chen… - Chinese Optics …, 2021 - opg.optica.org
We propose and demonstrate the cascaded multi-wavelength mode-locked erbium-doped
fiber laser (EDFL) based on ultra-long-period gratings (ULPGs) for the first time, to the best …

High-order orbital angular momentum mode generator based on twisted photonic crystal fiber

C Fu, S Liu, Y Wang, Z Bai, J He, C Liao, Y Zhang… - Optics letters, 2018 - opg.optica.org
High-order orbital angular momentum (OAM) modes, namely, OAM_+ 5 and OAM_+ 6, were
generated and demonstrated experimentally by twisting a solid-core hexagonal photonic …

All-fiber bandwidth tunable ultra-broadband mode converters based on long-period fiber gratings and helical long-period gratings

X Zhao, Y Liu, Z Liu, C Mou - Optics Express, 2020 - opg.optica.org
We demonstrated the fabrication of bandwidth tunable ultra-broadband mode converters
based on CO_2-laser inscribed long-period fiber gratings (LPFGs) and helical long-period …

Simultaneous generation of the second-and third-order OAM modes by using a high-order helical long-period fiber grating

T Detani, H Zhao, P Wang, T Suzuki, H Li - Optics Letters, 2021 - opg.optica.org
An all-fiber orbital angular momentum (OAM) mode generator enabling simultaneous
generation of the second-and the third-order OAM modes with conversion efficiencies larger …

A free‐space orbital angular momentum multiplexing communication system based on a metasurface

H Tan, J Deng, R Zhao, X Wu, G Li… - Laser & Photonics …, 2019 - Wiley Online Library
Optical vortex beams carrying orbital angular momentum (OAM) have received great
attention since the 1990s. In particular, OAM offers an additional degree of freedom, thus …

Side-polished few-mode fiber based surface plasmon resonance biosensor

J Dong, Y Zhang, Y Wang, F Yang, S Hu, Y Chen… - Optics express, 2019 - opg.optica.org
The fiber geometry, fiber parameters and mode-guiding properties are crucial for realizing
high-performance fiber-based sensors. In this work, we propose and demonstrate a few …

All-fiber second-order orbital angular momentum generator based on a single-helix helical fiber grating

H Zhao, P Wang, T Yamakawa, H Li - Optics Letters, 2019 - opg.optica.org
An all-fiber orbital angular momentum (OAM) generator enabling direct turning of the
fundamental mode (\rmHE_11 HE_11) to the second OAM modes (l=±2 l=±2) with an …

Helical Long-Period Gratings Inscribed in Polarization-Maintaining Fibers by CO2 Laser

C Jiang, Y Liu, Y Zhao, C Mou… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
We demonstrate the fabrication of helical long-period gratings (HLPGs) in a polarization-
maintaining fiber using a CO2 laser. The maximum polarization-dependent loss (PDL) of the …