Qianqian Peng, Xiange Wang, Keyu Yang, Junkai Sheng, Jinjing Wang, Xunsi Wang, Shengchuang Bai, Yongxing Liu, Zheming Zhao, Sensen Li, Man Li, Shixun Dai, Qiuhua Nie. Optimization and Fabrication of Chalcogenide High-Birefringence Suspended-Core Fiber in Mid-Infrared[J]. Chinese Journal of Lasers, 2022, 49(1): 0101021
- Chinese Journal of Lasers
- Vol. 49, Issue 1, 0101021 (2022)
Fig. 1. Cross-section of“—”typed suspended-core fiber and refractive index of two glasses. (a) Fiber cross-section；(b) refractive index of Ge10As24Se66 and Ge10As23Se67 glasses
Fig. 2. Cross-section of fibers with diverse cores under the same condition. (a) Rectangular core; (b) elliptical core; (c) square core; (d) circular core
Fig. 3. Birefringence of fibers with diverse cores under the same condition
Fig. 4. Birefringence variation with d and confinement loss at maximum birefringence. (a) Birefringence versus d for different b values; (b) confinement loss at d＝5.1 μm and corresponding mode field distributions
Fig. 5. Birefringence variation with aspect ratio (a/b) of rectangular core. (a) At wavelength of 1.55 μm; (b) wavelength range from 1.55 to 5 μm
Fig. 6. Birefringence variation with radius r of air hole
Fig. 7. Optical properties of optimized structure. (a) Birefringence; (b) confinement loss; (c) dispersion
Fig. 8. Cross-section of optical fiber connector and birefringence of proposed fiber. (a) Cross-section; (b) birefringence
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