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Acta Optica Sinica, Volume. 45, Issue 9, 0906003(2025)

High Birefringence Terahertz Hollow Core Anti-Resonant Fiber

Jingli Wang1、*, Chufan Li1, Hongdan Wan1, and Heming Chen2
Author Affiliations
  • 1College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, Jiangsu , China
  • 2Bell Honors School, Nanjing University of Posts and Telecommunications, Nanjing 210023, Jiangsu , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (34)
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    Figures & Tables(11)
    Cross-section of high birefringence THz HC-ARF

    Fig. 1. Cross-section of high birefringence THz HC-ARF

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    Variations of TLfor both x-polarization mode and y-polarization mode with t, and variations of B with t (illustration ① shows variations of CLand EMLfor x-polarization mode, and illustration ② shows variations of CLand EMLfor y-polarization mode)

    Fig. 2. Variations of TLfor both x-polarization mode and y-polarization mode with t, and variations of B with t (illustration ① shows variations of CLand EMLfor x-polarization mode, and illustration ② shows variations of CLand EMLfor y-polarization mode)

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    Variations of TL for both x-polarization mode and y-polarization mode with d1, and variations of B with d1 (illustrations ① and ② show x-polarization mode field with d1=2.9 mm and d1=3.0 mm, respectively, illustration ③ shows variations of CLand EMLwith d1 for x-polarization, and illustration ④ shows variations of CLand EMLwith d1 for y-polarization)

    Fig. 3. Variations of TL for both x-polarization mode and y-polarization mode with d1, and variations of B with d1 (illustrations ① and ② show x-polarization mode field with d1=2.9 mm and d1=3.0 mm, respectively, illustration ③ shows variations of CLand EMLwith d1 for x-polarization, and illustration ④ shows variations of CLand EMLwith d1 for y-polarization)

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    Variations of TL for both x-polarization mode and y-polarization mode with d2, and variations of B with d2 (illustrations ① and ② show variations of CL and EMLwith d2 for x-polarization mode and y-polarization mode, respectively)

    Fig. 4. Variations of TL for both x-polarization mode and y-polarization mode with d2, and variations of B with d2 (illustrations ① and ② show variations of CL and EMLwith d2 for x-polarization mode and y-polarization mode, respectively)

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    Variations of TL for both x-polarization mode and y-polarization mode with d3, and variations of B with d3 (illustrations ① and ② show variations of CL and EMLwith d3 for x-polarization mode and y-polarization mode, respectively)

    Fig. 5. Variations of TL for both x-polarization mode and y-polarization mode with d3, and variations of B with d3 (illustrations ① and ② show variations of CL and EMLwith d3 for x-polarization mode and y-polarization mode, respectively)

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    Variations of TL for both x-polarization mode and y-polarization mode with η, and variations of B with η (illustrations ① and ② show variations of CL and EMLwith η for x-polarization mode and y-polarization mode, respectively)

    Fig. 6. Variations of TL for both x-polarization mode and y-polarization mode with η, and variations of B with η (illustrations ① and ② show variations of CL and EMLwith η for x-polarization mode and y-polarization mode, respectively)

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    Variations of TL for both x-polarization mode and y-polarization mode with d5, and variations of B with d5 (illustration ① shows y-polarization mode field distribution without gap-compensating circular tube, illustration ② shows y-polarization mode field distribution with smaller size gap-compensating circular tube, illustration ③ shows y-polarization mode field distribution with larger size gap-compensating circular tube, illustration ④ shows y-polarization mode field distribution with gap-compensating circular tube and nested tube generating node, illustration ⑤ shows variations of CL and EMLwith d5 for x-polarization mode, and illustration ⑥ shows variations of CL and EMLwith d5 for y-polarization mode )

    Fig. 7. Variations of TL for both x-polarization mode and y-polarization mode with d5, and variations of B with d5 (illustration ① shows y-polarization mode field distribution without gap-compensating circular tube, illustration ② shows y-polarization mode field distribution with smaller size gap-compensating circular tube, illustration ③ shows y-polarization mode field distribution with larger size gap-compensating circular tube, illustration ④ shows y-polarization mode field distribution with gap-compensating circular tube and nested tube generating node, illustration ⑤ shows variations of CL and EMLwith d5 for x-polarization mode, and illustration ⑥ shows variations of CL and EMLwith d5 for y-polarization mode )

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    Variations of effective refractive index, B, and TL with f for x- and y-polarization modes. (a) Variations of effective refractive index and B with f;(b) variations of TL with f for x- and y-polarization modes

    Fig. 8. Variations of effective refractive index, B, and TL with f for x- and y-polarization modes. (a) Variations of effective refractive index and B with f;(b) variations of TL with f for x- and y-polarization modes

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    Variation of dispersion parameter β2 with f

    Fig. 9. Variation of dispersion parameter β2 with f

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    Variation of polarization mode dispersion with f

    Fig. 10. Variation of polarization mode dispersion with f

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    • Table 1. Performance comparison of various types of high birefringence terahertz HC-ARFs

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      Table 1. Performance comparison of various types of high birefringence terahertz HC-ARFs

      Ref. NoStructureBirefringenceHigh birefringence and low loss bandLowest loss (optical frequency)
      [17]Nested HC-ARF8.7×10-41.0‒1.24 THz (>10-4)2.1 dB/m (1.2 THz)
      [16]HC-ARF with changing thickness1.52×10-40.46‒0.6 THz & 0.74‒1.1 THz (>10-4)0.5 dB/m (0.9 THz)
      [19]HC-ARF with adding semi-ellipses2.6×10-41.22‒1.4 THz (>10-4)1.5 dB/m (1.14 THz)
      [18]Nested HC-ARF>10-40.76‒1.22 THz (>10-4)0.34 dB/m (1.1 THz)
      [20]HC-ARF with adding semi-ellipses and extra round tubes8.1×10-41.75‒2.6 THz (>10-4)0.231 dB/m (2.575 THz)
      [21]HC-ARF with adding extra round tubes2.72×10-30.82‒1.12 THz (>10-3)0.246 dB/m (1 THz)

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      		HC-ARF with adding nested circles and ellipses and adding gap compensation tubes4.4×10-3

      0.7‒1.4 THz

      (>10-3)

      0.09 dB/m

      (1.18 THz)

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    Jingli Wang, Chufan Li, Hongdan Wan, Heming Chen. High Birefringence Terahertz Hollow Core Anti-Resonant Fiber[J]. Acta Optica Sinica, 2025, 45(9): 0906003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jan. 6, 2025

    Accepted: Mar. 3, 2025

    Published Online: May. 16, 2025

    The Author Email: Jingli Wang (jlwang@njupt.edu.cn)

    DOI:10.3788/AOS250445

    CSTR:32393.14.AOS250445

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology