Journal
OPTICS EXPRESS
Volume 26, Issue 24, Pages 31160-31171Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.26.031160
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Funding
- National Natural Science Foundation of China (NSFC) [61775014]
- Key Project of Hebei Natural Science Foundation [F2018202323]
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A novel single-polarization single-mode double-ring hollow-core anti-resonant fiber with two single-polarization regions (1545-1553 nm and 1591-1596 nm) is proposed. Single-polarization guidance is achieved by coupling a polarized fundamental mode and silica mode by using different tube thicknesses. Specifically. when the wavelength is 1550 nm, only a single x-polarized fundamental mode with a low loss of 0.04 dB/m is propagated by a polarization extinction ratio of 17662 and minimum higher-order mode extinction ratio of 393 by optimizing the structural parameters. Furthermore, this fiber also exhibits high-performance bend resistance. The x-polarized FM loss is as low as 0.11 dB/m with single-polarization single-mode guidance when the proposed fiber was bent at a bend radius of 8 cm toward the x-direction. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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