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Title: Multimode nested antiresonant hollow core fiber
Authors: Goel, Charu
Yoo, Seongwoo
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Source: Goel, C. & Yoo, S. (2021). Multimode nested antiresonant hollow core fiber. Journal of Lightwave Technology, 39(20), 6592-6598.
Project: QEP-P4
Journal: Journal of Lightwave Technology
Abstract: A novel centro-symmetric nested antiresonant fiber (CNAF) design is proposed and investigated numerically for low-loss, multimode applications. Conventional single tube-lattice and nested antiresonant hollow core fibers (ARHCFs) inherently support multiple core modes, but the higher order modes are more prone to coupling to lossy cladding modes, thereby dissipating power along the length of the fiber. In the proposed CNAF design, coupling of higher order modes to leaky cladding modes is inhibited by bifurcating the airy region of the cladding capillaries with centrosymmetric nested tubes. The designed fiber is shown to support 5 to 9 spatially distinct core mode groups, having confinement loss less than 0.002 dB/m to 0.01 dB/m respectively. We present detailed numerical investigation into the multimode operation of the proposed fiber and its superiority over conventional asymmetric nested tube designs.
ISSN: 0733-8724
DOI: 10.1109/JLT.2021.3101522
DOI (Related Dataset): 10.21979/N9/3TWW9G
Rights: © 2021 IEEE. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

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