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Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202106692
Abstract: Twisted light, an unbounded set of helical spatial modes carrying orbital angular momentum (OAM), offers not only fundamental new insights into structured light-matter interactions, but also a new degree of freedom to boost optical and…
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Keywords:
materials twisted;
oam;
twisted light;
nanophotonic materials ... See more keywords
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Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202201229
Abstract: The direct photocurrent detection capability of light orbital angular momentum (OAM) has recently been realized with topological Weyl semimetals, but it is limited to the near‐infrared wavelength range. The extension of the direct OAM detection…
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Keywords:
tairte4;
mid infrared;
oam;
detection ... See more keywords
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Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2017.10.144
Abstract: We generalize the concept of perfect optical vortices, studying the elliptic perfect optical vortices (EPOVs), which also have diameters independent on the topological charge. A pure-phase diffractive optical element is proposed for efficient generation of…
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Keywords:
elliptic perfect;
oam;
perfect optical;
optical vortices ... See more keywords
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Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c01926
Abstract: The orbital angular momentum (OAM) of light offers a new degree of freedom for light-matter interactions, yet how to control such interactions with this physical dimension remains open. Here, by developing a numerical method enabling…
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Keywords:
plasmonic nanoantennas;
oam;
interactions plasmonic;
nanoantennas vortex ... See more keywords
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Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-01201-9
Abstract: We propose and numerically demonstrate a conversion and multicasting scheme of orbital angular momentum (OAM) states by using N-core supermode fiber (NCSF), where the topological charges of converted OAM states mainly depend on the injected…
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Keywords:
oam;
angular momentum;
fiber;
conversion multicasting ... See more keywords
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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…
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Keywords:
phase;
structured light;
oam;
oam mode ... See more keywords
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Published in 2020 at "Electromagnetics"
DOI: 10.1080/02726343.2020.1780378
Abstract: ABSTRACT As the traditional resources (such as frequency, time, and space) are efficiently utilized, it becomes more and more challenging to satisfy the ever-lasting, capacity-growing, and users-boosting demand for wireless networks. Recently, the orthogonal Orbital…
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Keywords:
mimo system;
oam;
system arbitrary;
size ... See more keywords
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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…
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Keywords:
march zehnder;
angular momentum;
oam;
zehnder interferometer ... See more keywords
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Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2993877
Abstract: In this paper, a chamfer distribution antenna array is designed to generate a deflecting circular-polarized vortex beam carrying orbital angular momentum (OAM) mode. When the vortex beam is designed with a deflection angle, the sidelobe…
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Keywords:
vortex beam;
array;
oam;
sidelobe ... See more keywords
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Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2945870
Abstract: We study the design of ring core fibers (RCFs) supporting orbital angular momentum (OAM) modes for mode division multiplexing (MDM) transmission systems. We develop target criteria to optimize fiber designs using a particle swarm optimization…
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Keywords:
design analysis;
swarm optimization;
particle swarm;
oam ... See more keywords
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Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3056182
Abstract: Instead of inscribing the discrete phases into each local period of the seed HLPG, an equivalent approach to realize the phase-only sampled multichannel helical long-period fiber grating (HLPG) has been demonstrated both theoretically and experimentally…
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Keywords:
period;
hlpg;
multi channel;
oam ... See more keywords