Microstructure ring fiber for supporting higher-order orbital angular momentum modes with flattened dispersion in broad waveband

Huang, Shu-Hong; Ma, Qianqian; Chen, Wei-Cheng; Liu, Hongzhan; Xing, Xiaobo; Hu, Chi‐Chang; Luo, Zhi‐Chao; Xu, Wen‐Cheng; Luo, Aiping

doi:10.1007/s00340-019-7307-8

Cited by 20 publications

(3 citation statements)

References 36 publications

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“…The dispersions of the low-order modes are relatively flat with the minimum dispersion variation of 20.42 ps (km nm) −1 for the HE 1,1 mode for a 600 nm bandwidth. The dispersion slope increases with increasing order of the mode group because the effective refractive index of the low-order mode changes less than the high-order mode as the wavelength increases [50].…”

Section: Dispersionmentioning

confidence: 99%

Design of pure silica-based photonic crystal fiber for supporting 114 OAM modes transmission

Liu¹,

Tai²,

Lu³

et al. 2021

J. Opt.

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A novel photonic crystal fiber (PCF) based on pure silica is designed to transmit 114 orbital angular momentum (OAM) modes in the wavelength range of 1.2 μm–1.8 μm. The PCF composed of a central round air-hole, ring-shaped core, and air-hole array ensures effective refractive index differences of the constituent vector modes above 10−4 and stable transmission of the OAM modes. The finite element method is implemented to analyze the PCF. The confinement losses and nonlinear coefficients of all the eigenmodes at 1550 nm are less than 3.03 × 10−7 dB m−1 and 1.30 w−1 km−1, respectively. In addition, the PCF shows higher effective refractive index difference, lower confinement loss, and nonlinear coefficient thus holding large promise in high-performance fiber communication systems.

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Section: Dispersionmentioning

confidence: 99%

Design of pure silica-based photonic crystal fiber for supporting 114 OAM modes transmission

Liu¹,

Tai²,

Lu³

et al. 2021

J. Opt.

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“…There is a set of known published works focused on the design and simulation of HRC MOFs that guide and support the propagation of various numbers of OAM modes: 146 and 70 modes at λ = 1100 nm and 2000 nm, respectively (HRC MOF with a total outer diameter of 116 µm and an air core of 4 µm, bounded by a phosphate optical glass ring with a wall thickness of 2 µm and the difference between the doped ring and pure silica refractive indexes of ∆n = 0.11) [40], 180 OAM modes over λ = 1500 . .…”

Section: Introductionmentioning

confidence: 99%

“…It is obvious that previously published papers, containing not only simulations, but also the main results of tests performed to successfully fabricate the designed optical fibers, are of special interest. However, in spite of the great potential for guiding and transmitting OAM modes that HRC MOFs are declared to have [1][2][3][40][41][42][43][44][45], there are not many reports presenting properties, the results of tests, and the measured data of manufactured HRC fibers. Finally, there is a set of works, prepared by the same group of authors, that demonstrates the experimentally verified stable transmission of 12 OAM modes over a C-band along a designed and fabricated HRC optical fiber with an air core diameter of 6 µm, bounded by a ring with a wall thickness of 5.25 µm, and where ∆n = 0.03 [3,[46][47][48][49], with the following enhancing the AOM mode quantity up to 28 by enlarging the air core diameter up to 19 µm under the same ring parameters [50].…”

Section: Introductionmentioning

confidence: 99%

Twisted Silica Few-Mode Hollow GeO2-Doped Ring-Core Microstructured Optical Fiber

et al. 2023

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This work presents the first instance of a silica few-mode microstructured optical fiber (MOF) being successfully fabricated with a hollow GeO2-doped ring core and by strongly inducing twisting up to 790 revolutions per meter. Some technological issues that occurred during the manufacturing of the GeO2-doped supporting elements for the large hollow cores are also described, which complicated the spinning of the MOFs discussed above. We also provide the results of the tests performed for the pilot samples—designed and manufactured using the untwisted and twisted MOFs described above—which were characterized by an outer diameter of 65 µm, a hollow ring core with an inner diameter of 30.5 µm, under a wall thickness of 1.7 µm, and a refractive index difference of Δn = 0.030. Moreover, their geometrical parameters, basic transmission characteristics, and the measurements of the far-field laser beam profile patterns are also provided.

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A design of dual guided modes ring-based photonic crystal fiber supporting 170 + 62 OAM modes with large effective mode field area

Yang

Liu²,

Song

et al. 2022

Appl. Phys. B

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Microstructure ring fiber for supporting higher-order orbital angular momentum modes with flattened dispersion in broad waveband

Cited by 20 publications

References 36 publications

Design of pure silica-based photonic crystal fiber for supporting 114 OAM modes transmission

Design of pure silica-based photonic crystal fiber for supporting 114 OAM modes transmission

Twisted Silica Few-Mode Hollow GeO2-Doped Ring-Core Microstructured Optical Fiber

A design of dual guided modes ring-based photonic crystal fiber supporting 170 + 62 OAM modes with large effective mode field area

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