Optical images rotation and reflection with engineered orbital angular momentum spectrum
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5043229
Abstract: According to the concept of digital spiral imaging, we reconstruct an arbitrary structured light beam with information based on orbital angular momentum (OAM) eigenstates, i.e., the Laguerre-Gaussian (LG) modes. We propose a method to realize… read more here.
Keywords: phase; structured light; oam; oam mode ... See more keywords
Effects of anisotropic oceanic turbulence on the propagation of the OAM mode of a partially coherent modified Bessel correlated vortex beam
Sign Up to like & getrecommendations! Published in 2019 at "Waves in Random and Complex Media"
DOI: 10.1080/17455030.2018.1464234
Abstract: ABSTRACT We have studied the impacts of anisotropic turbulence on the orbital angular momentum (OAM) mode of a partially coherent modified Bessel correlated vortex beam propagation in an oceanic channel. In the weak turbulence paraxial… read more here.
Keywords: mode; oceanic turbulence; turbulence; oam mode ... See more keywords
Two Patch Antennas for Two- or Four-OAM-Mode Generation
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2024.3400997
Abstract: Two patch antennas that can generate two or four orbital angular momentum (OAM) modes are designed and verified to work at frequency band from 2.2GHz to 2.7GHz. One antenna is composed of two single OAM… read more here.
Keywords: oam modes; patch antennas; oam; oam mode ... See more keywords
Design of a New Monopulse Horn Antenna by Orbital Angular Momentum Generation
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2024.3429243
Abstract: The aim of this paper is to design a novel compact and wideband feed for monopulse antenna using the Orbital Angular Momentum (OAM) modes of 0 and 1. The OAM mode 0 produce the sum… read more here.
Keywords: angular momentum; orbital angular; mode; antenna ... See more keywords
Superposing Multiple LP Modes With Microphase Difference Distributed Along Fiber to Generate OAM Mode
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2017.2674022
Abstract: We propose a new method to generate orbital angular momentum (OAM) mode by superposing multiple LP11 modes with microphase difference distributed along fiber propagation. This way, OAM mode can be generated by superposing a series… read more here.
Keywords: difference; mode; microphase difference; modes microphase ... See more keywords
Joint WDM and OAM Mode Group Multiplexed Transmission Over Conventional Multimode Fiber
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2023.3272737
Abstract: To exploit the advantages of multimode fiber (MMF)-based transmission and to improve the overall capacity, transmission of OAM modes over a single wavelength needs to be replaced by multichannel transmission with the proper experimental demonstration… read more here.
Keywords: talk; wdm; oam mode; transmission ... See more keywords
Helical Long-Period Fiber Grating-Based Band- Selectable and Bandwidth-Enhanced Flat-Top Filter and Its Application to Wideband OAM Mode Converter
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2024.3410234
Abstract: A band-selectable and bandwidth-enhanced flat-top rejection filter is proposed and demonstrated both theoretically and experimentally, which is realized by using single-mode fiber (SMF)-based helical long-period fiber gratings (HLPGs) precisely operated at dispersion turning points (DTPs)… read more here.
Keywords: flat top; band; oam mode; bandwidth ... See more keywords
Simple and Adjustable LP₀₁–LP₁₁–OAM Mode Conversion Method in One Single-Mode Fiber With Half-Dome Lens
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2024.3442378
Abstract: In this study, we propose a novel adjustable rotational half-dome mode conversion for a single-mode fiber (SMF) to generate linearly polarized first-order mode (LP11 mode) and orbital angular momentum (OAM) mode from linearly polarized fundamental… read more here.
Keywords: conversion; mode; mode conversion; half dome ... See more keywords
Direct Generation of OAM Mode-Group and Its Application in LoS-MIMO System
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2020.3009759
Abstract: A partial slotted curved waveguide leaky-wave antenna which can directly generate orbital angular momentum (OAM) mode-groups (MG) with high equivalent OAM order $l_{e}=\pm 40$ at 60 GHz is proposed in this letter. This partial arc… read more here.
Keywords: tex math; wave; inline formula; oam mode ... See more keywords
Analysis of electromagnetic vortex beams using modified dynamic mode decomposition in spatial angular domain.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.027702
Abstract: The orbital angular momentum (OAM) modes of electromagnetic (EM) beams are utilized for multiplexing in communication systems, where each OAM mode is encoded with data. The OAM index, or the so-called topological charge, identifies each… read more here.
Keywords: dynamic mode; mode; oam; oam mode ... See more keywords
Data-defined naïve Bayes (DNB) based decision scheme for the nonlinear mitigation for OAM mode division multiplexed optical fiber communication.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.415908
Abstract: In this manuscript, a data-defined naïve Bayes (DNB)-based decision scheme for nonlinear mitigation is presented for an orbital angular momentum (OAM) mode-division multiplexed optical fiber communication system. Due to the inherent nonlinearity characteristic of opto-electronic… read more here.
Keywords: dnb based; communication; oam mode; based decision ... See more keywords