Effect of the second ring of antiresonant tubes in negative-curvature fibers

We present a numerical investigation on the effect of introducing the second ring of antiresonant tubes on the guiding properties of the negative-curvature fiber. We determine the range of structural parameters for achieving the optimum light guidance in the double-ring geometry. Our study shows tha...

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Veröffentlicht in:Optics express 2020-01, Vol.28 (2), p.1168-1176
Hauptverfasser: Wang, Yuxi, Hasan, Md Imran, Hassan, Muhammad Rosdi Abu, Chang, Wonkeun
Format: Artikel
Sprache:eng
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Zusammenfassung:We present a numerical investigation on the effect of introducing the second ring of antiresonant tubes on the guiding properties of the negative-curvature fiber. We determine the range of structural parameters for achieving the optimum light guidance in the double-ring geometry. Our study shows that the double-ring negative-curvature fiber can improve the confinement loss by up to four orders of magnitude with considerably better bending and single-mode performance when compared to its single-ring counterpart.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.382516