Bend-resistant low bending loss and large mode area single-mode fiber with low NA

She, Yulai; Zhou, Dejian; Ni, Jiaming

doi:10.1016/j.yofte.2019.05.006

Cited by 12 publications

(3 citation statements)

References 25 publications

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“…Most of the previously presented articles have focused on analysing bending loss, which differs from the approach taken in this article to examine the effects of bending on fibres. Bending loss typically considers mode energy loss due to bending [38][39][40][41][42], whereas this work focused on analysing the behaviour and distribution of mode fields during propagation in a fibre with a bent geometry based on the concepts of normalised propagation constant and effective refractive index.…”

Section: Introductionmentioning

confidence: 99%

Investigating changes in the electric field profiles of transverse modes in fibres due to bending

Vazeerpour,

Shayganmanesh,

Dorranian

2024

IET Optoelectronics

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A model is presented for calculating the electric field profiles of transverse modes in fibres. Using this model, the electric field propagation of transverse modes was calculated and compared in both bent and straight Yb and Ho fibres. Our simulations revealed that the field intensities of the modes did not consistently increase or decrease by bending as expected, but rather fluctuated as the bending radii of the fibres changed from 1 to 100 cm. Additionally, it was observed that at certain bending radii, the modes of the fibres became deformed and transitioned into higher modes. Furthermore, the extent to which the modes stretched towards cladding due to bending was calculated. To provide a more comprehensive analysis of the results and investigate the effects of the physical parameters of the fibres on the bent fibre modes, simulation results were presented for two different V numbers and core radii.

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Section: Introductionmentioning

confidence: 99%

Investigating changes in the electric field profiles of transverse modes in fibres due to bending

Vazeerpour,

Shayganmanesh,

Dorranian

2024

IET Optoelectronics

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“…Step refractive index fiber (SIF) can improve the bending performance by adjusting the overall refractive index of the core 31 – 35 Xing et al 36 . proposed a bend-resistant large-mode area fiber with a step-index core and a single trench in the cladding (SIC-STF).…”

Section: Introductionmentioning

confidence: 99%

“…Step refractive index fiber (SIF) can improve the bending performance by adjusting the overall refractive index of the core. [31][32][33][34][35] Xing et al 36 proposed a bend-resistant large-mode area fiber with a step-index core and a single trench in the cladding (SIC-STF). At a wavelength of 1550 nm and a bending radius of 10 cm, the mode field area is 1130 μm 2 , and the bending loss of the fundamental mode (FM) is 0.01 dB∕m.…”

Section: Introductionmentioning

confidence: 99%

Bend-resistant multiring fiber with large mode area and single-mode operation

She

Zhang

et al. 2022

Opt. Eng.

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A large mode field fiber with bend-resistance is proposed to work at 1550-nm wavelength. After modulation by high refractive index rings introduced in the core and cladding, this fiber can ensure the single-mode operation under a tight bend radius of 10 cm. The finite element method with perfect matching layers (PML) is used to simulate the proposed fiber. Numerical results show that the effective mode area can reach up to 1518.814 μm 2 with a 0.004073 dB∕m low bending loss of the fundamental mode. The designed all-solid-state fiber has a symmetrical structure and takes no consideration of the bending direction. This fiber has potential applications in high-power lasers.

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A single-mode chalcogenide photonic crystal fiber for bending resistance with large mode area and wide bandwidth

Zhao,

Yang,

Cheng

et al. 2023

Opt Quant Electron

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Bend-resistant low bending loss and large mode area single-mode fiber with low NA

Cited by 12 publications

References 25 publications

Investigating changes in the electric field profiles of transverse modes in fibres due to bending

Investigating changes in the electric field profiles of transverse modes in fibres due to bending

Bend-resistant multiring fiber with large mode area and single-mode operation

A single-mode chalcogenide photonic crystal fiber for bending resistance with large mode area and wide bandwidth

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