2020
DOI: 10.1364/osac.402524
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Low loss double cladding nested hollow core antiresonant fiber

Abstract: A double cladding nested antiresonant hollow core fiber is reported in this article. We demonstrated that the addition of nested elements in the second cladding ring and the proper optimization of structural parameters lead to the loss reduction by more than five orders. The numerical simulation exhibits a loss of less than ∼ 0.1 dB/km over the O, E, S, C, L telecom bands, with the minimum loss of 0.001 dB/km at 1.40 µm wavelength with a fiber core diameter of 33 µm. The fiber also shows a better performance i… Show more

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Cited by 38 publications
(8 citation statements)
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“…As shown in Fig. 5d, the bandwidth of the transmission window in the HC-BARF is up to 800 nm, which is larger than that reported in previous literature [20,23],670nm bandwidth is obtained in literature [23], and it can cover the entire O+S+C+L communication band (1.28-1.6 μm), which is basically consistent with that reported in the literature [24,25],And our loss at is much lower than that reported in the literature [24]. Moreover, it is difficult to obtain long-distance long fiber in the laboratory for the complex structure of fiber reported in the literature [24].…”
Section: Effect Of Structure Parameters On CL For a Fixed Dcsupporting
confidence: 88%
“…As shown in Fig. 5d, the bandwidth of the transmission window in the HC-BARF is up to 800 nm, which is larger than that reported in previous literature [20,23],670nm bandwidth is obtained in literature [23], and it can cover the entire O+S+C+L communication band (1.28-1.6 μm), which is basically consistent with that reported in the literature [24,25],And our loss at is much lower than that reported in the literature [24]. Moreover, it is difficult to obtain long-distance long fiber in the laboratory for the complex structure of fiber reported in the literature [24].…”
Section: Effect Of Structure Parameters On CL For a Fixed Dcsupporting
confidence: 88%
“…The finite element method is adopted to simulate the characteristics of modes in CARF. In order to ensure the accuracy of the results [31,32], we use the mode analysis solver in the frequency domain, the maximal element size of the mesh is set as λ/8. The thickness of the perfectly matched layer is 10 µm.…”
Section: Structure and Discussionmentioning
confidence: 99%
“…In fact, one such design has been successfully fabricated yielding a loss as low as 0.8 dB km −1 at 850 nm, 0.22 dB km −1 at 1300 nm and 1625 nm along with lossy HOMs [33]. HOMER can also be increased in designs like double cladding nested fibers as in [34].…”
Section: Single Moded Guidancementioning
confidence: 99%