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Title: Control and design of fiber birefringence characteristics based on selective-filled hybrid photonic crystal fibers
Authors: Han, Tingting
Liu, Yan-ge
Wang, Zhi
Guo, Junqi
Wu, Zhifang
Luo, Mingming
Li, Shuo
Wang, Jing
Wang, Wei
Keywords: Electrical and Electronic Engineering
Issue Date: 2014
Source: Han, T., Liu, Y.-g., Wang, Z., Guo, J., Wu, Z., Luo, M., et al. (2014). Control and design of fiber birefringence characteristics based on selective-filled hybrid photonic crystal fibers. Optics Express, 22(12), 15002-.
Series/Report no.: Optics express
Abstract: We demonstrated a kind of birefringence-controllable hybrid photonic crystal fibers (HPCFs) by selectively infiltrating air holes of PCFs with index-tunable liquids processing higher index than silica background. Detailed theoretical investigations on mode couplings from fundamental core mode to high-index-liquid-rod modes and birefringence properties of several HPCFs were presented. Strong wavelength dependence of phase and group birefringence was found, and HPCFs with different arrangements of high index liquid rods possess distinct birefringence characteristics. Then, the Sagnac interferometers (SIs) based on two typical HPCFs with different liquid-rod arrangements were theoretically and experimentally studied. The results indicated the SIs exhibit different transmission spectra and temperature responses due to the distinct birefringence features of HPCFs. A temperature sensitivity of −45.8 nm/°C at 56.5 °C was achieved using one HPCF, and a sensitivity of −11.6 nm/°C from 65 °C to 85 °C was achieved using the other HPCF. The thermal tunable HPCFs with birefringence-controllable properties will provide great potential for a variety of tunable optical devices and sensors.
ISSN: 1094-4087
DOI: 10.1364/OE.22.015002
Rights: © 2014 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI:  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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