Dongfang Shi, Zhanqiang Hui, Dongdong Han, Jiamin Gong, Feng Zhao. Polarization Characteristics of High Birefringence Photonic Crystal Fiber with Ferries-Wheel-Like Porous Core in Terahertz Regime[J]. Acta Optica Sinica, 2023, 43(10): 1006002
- Acta Optica Sinica
- Vol. 43, Issue 10, 1006002 (2023)
Fig. 1. Cross sectional structure of proposed THz-PCF. (a) Cladding region; (b) core region
Fig. 2. Birefringence of proposed THz-PCF changing with frequency when independent structural parameters are changed by control variable method. (a) Different r1; (b) different r2; (c) different d1; (d) different d2; (e) different d3; (f) different l; (g) different R; (h) different Λ
Fig. 3. Birefringence and effective refractive index of proposed THz-PCF changing with frequency in the frequency range of 2-6 THz
Fig. 4. Confinement loss for proposed THz-PCF changing with frequency in the frequency range of 2-6 THz
Fig. 5. Effective absorption loss for proposed THz-PCF changing with frequency in the frequency range of 2-6 THz
Fig. 6. Bending loss of optical fiber bent along x and y directions respectively at the operating frequency of 4 THz changing with bending radius, and the illustrations show mode field distribution of TM mode with bending radius is (a) 1 cm, (b) 2 cm, and (c) 3 cm
Fig. 7. Power fraction in air and material for proposed THz-PCF changing with frequency in the frequency range of 2-6 THz
Fig. 8. Waveguide dispersion for proposed THz-PCF changing with frequency in the frequency range of 2-6 THz
Fig. 9. Relationship between PMD and frequency
Fig. 10. Mode field distribution of x-polarization and y-polarization under different frequencies. (a) TE, f=1.5 THz; (b) TE, f=2 THz; (c) TE, f=3 THz; (d) TE,f=4 THz; (e) TM, f=1.5 THz; (f) TM, f=2 THz; (g) TM, f=3 THz; (h) TM, f=4 THz
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