[1] Hong Y F, Wang Y Y, Ding W et al. Research progress on polarization maintaining hollow core fiber[J]. Acta Photonica Sinica, 48, 1148010(2019).
[2] Zhang W, Bai B B, Zhang Y Z et al. Sensing characteristics of near-infrared band based on new photonic crystal fiber[J]. Chinese Journal of Lasers, 48, 0706001(2021).
[3] Zhang T T, Shi W H. Numerical research on ultraviolet supercontinuum generation in photonic crystal fiber[J]. Chinese Journal of Lasers, 47, 0301012(2020).
[4] Yang Z H, Pan S L. Recent research progress of design and prediction of new nonlinear optical crystals[J]. Journal of Synthetic Crystals, 48, 1173-1189(2019).
[5] Lei G. Study on birefringence and confinement loss of photonic crystal fiber[J]. Modern Industrial Economy and Informationization, 7, 18-21(2017).
[6] Rong G H, Yi X S. Investigation on a new high birefringence photonic crystal fiber[J]. Semiconductor Optoelectronics, 39, 211-215(2018).
[7] Li X L, Zhang S H, Liu X G. Finite element simulation of high nonlinear ultra-low loss birefringent PCF with flat dispersion[J]. Optical Communication Technology, 44, 58-62(2020).
[8] Zou H, Ma L, Xiong H. Photonic crystal fiber with high birefringence and double zero-dispersion wavelengths[J]. Laser & Optoelectronics Progress, 54, 120601(2017).
[9] Liu X A, Cheng H P, Jiao Z. Properties of regular-lattice photonic crystal fiber based on a double-hole unit[J]. Laser Technology, 43, 48-52(2019).
[11] Liao K, Liao J F, Xie Y M et al. A defect photonic crystal fiber with high birefringence and negative dispersion[J]. Laser & Optoelectronics Progress, 55, 070604(2018).
[12] Zhang Y, Ge H B, Wu H et al. Characteristic analysis of an elliptic double core photonic crystal fiber with high birefringence and low loss[J]. Optical Communication Technology, 44, 13-17(2020).
[14] Zhang X D, Nie F K, Lu X L et al. The characteristic analysis of microstructure photonic crystal fibers based on regular quadrilateral lattice[J]. Optical Instruments, 39, 18-24(2017).
[15] Yang T Y, Jiang H M, Wang E L et al. Photonic crystal fibers with large birefringence and high nonlinearity in near-infrared band[J]. Journal of Infrared and Millimeter Waves, 35, 350-354(2016).
[16] Yu J H, Li Q H, Yu C C. Optical properties analysis of photonic crystal fiber based on inner elliptical holes[J]. Study on Optical Communications, 36-39(2019).
[21] Zhang X J, Zhao J L, Cui L. Analysis of mode properties of photonic crystal fiber with high birefringence[J]. Acta Optica Sinica, 28, 1379-1383(2008).
[22] Yu C L, Wang M, Feng S Y et al. Research progress on ytterbium-doped large mode area photonic crystal fibers[J]. Laser & Optoelectronics Progress, 56, 170602(2019).