A review of multiple optical vortices generation: methods and applications
Sign Up to like & getrecommendations! Published in 2019 at "Frontiers of Optoelectronics"
DOI: 10.1007/s12200-019-0910-9
Abstract: Optical vortices carrying orbital angular momentum (OAM) have attracted increasing interest in recent years. Optical vortices have seen a variety of emerging applications in optical manipulation, optical trapping, optical tweezers, optical vortex knots, imaging, microscopy,… read more here.
Keywords: optical vortices; vortices generation; applications review; multiple optical ... See more keywords
A design of nested photonic crystal fiber with low nonlinear and flat dispersion supporting 30+50 OAM modes
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125823
Abstract: Abstract In this paper, a novel nested photonic crystal fiber (PCF) with two guided modes regions is proposed, which can support 80 orbital angular momentum (OAM) modes over C wavelength band. The characteristics of designed… read more here.
Keywords: crystal fiber; pcf; photonic crystal; nested photonic ... See more keywords
Dielectric metasurface based polarization and orbital angular momentum demultiplexer
Sign Up to like & getrecommendations! Published in 2021 at "Results in physics"
DOI: 10.1016/j.rinp.2020.103706
Abstract: Abstract The development of high-speed optical communication calls for compatible multiplexing dimensions to enlarge transmission capacity and process optical information. Although vortex beam multiplexing has been previously demonstrated by exploiting the orthogonality of orbital angular… read more here.
Keywords: phase; angular momentum; polarization; orbital angular ... See more keywords
Generation and Analysis of High-Gain Orbital Angular Momentum Vortex Wave Using Circular Array and Parasitic EBG with oblique incidence
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-17793-1
Abstract: This paper presents an effective method for high-gain orbital angular momentum (OAM) vortex wave generation based on the integration of a circular antenna array (CAA) with a parasitic electromagnetic band gap (EBG) structure, which is… read more here.
Keywords: high gain; gain orbital; gain; ebg ... See more keywords
Investigating orbital angular momentum modes in multimode interference (MMI) waveguides and revealing their mode conversion property
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-72176-7
Abstract: In this work, the propagation of OAM modes in multimode interference (MMI) waveguides, as the basic elements in many integrated optical devices, is studied to utilize their benefits in integrated OAM applications. OAM modes shape… read more here.
Keywords: oam modes; mmi waveguides; document; modes multimode ... See more keywords
Experimental demonstration of complex four-wave mixing processes with pump of orbital-angular-momentum superposition mode
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0199572
Abstract: Orbital angular momentum (OAM), characterized by a topological charge ℓ (ℓ integer), serves as a promising vehicle for carrying quantum information. Generating a nonclassical field involving two or more OAM modes can largely enhance the… read more here.
Keywords: angular momentum; oam modes; orbital angular; mode ... See more keywords
High-efficiency sorting and measurement of orbital angular momentum modes based on the March–Zehnder interferometer and complex phase gratings
Sign Up to like & getrecommendations! Published in 2019 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ab0e62
Abstract: With the recent exponential developments of high-speed optical communications, traditional optical communications systems are showing their limitations. Over the past decade, the orbital angular momentum (OAM) is attracting more and more research attention, due to… read more here.
Keywords: march zehnder; angular momentum; oam; zehnder interferometer ... See more keywords
Propagating OAM modes through a regular octagonal photonic crystal fiber with a flat dispersion
Sign Up to like & getrecommendations! Published in 2025 at "Physica Scripta"
DOI: 10.1088/1402-4896/adb79e
Abstract: In this paper, a regular octagonal photonic crystal fiber (ROPCF) is proposed to support and improve the stable transmission of orbital angular momentum (OAM) modes. The proposed ROPCF is composed of a doped high refractive… read more here.
Keywords: oam modes; crystal fiber; photonic crystal; regular octagonal ... See more keywords
Air-Core Ring Fiber With >1000 Radially Fundamental OAM Modes Across O, E, S, C, and L Bands
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2985776
Abstract: In this work, an air-core ring fiber is designed with a record high 1322 orbital angular momentum (OAM) modes at 1550 nm while maintaining radially single-mode condition. Moreover, it can support over 1004 OAM modes… read more here.
Keywords: tex math; inline formula; oam modes; fiber ... 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
Highly Directional 28-GHz Antenna System Generating Five Simultaneous Far-Field Aligned OAM Modes
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2024.3428489
Abstract: This manuscript proposes the design of a 28 GHz antenna system that is capable of generating at the same time five orbital angular momentum (OAM) modes with aligned far-field antenna patterns. The antenna system includes… read more here.
Keywords: antenna system; oam modes; system; far field ... See more keywords