Low loss negative curvature fiber with circular internally tangent nested tube in elliptical tubes

Ying Han; Fanchao Meng; Shi Qiu; Tingting Dong; Weizhen Zhu; Yuan Qing

doi:10.1117/12.2505385

15 November 2018 Low loss negative curvature fiber with circular internally tangent nested tube in elliptical tubes

Ying Han, Fanchao Meng, Shi Qiu, Tingting Dong, Weizhen Zhu, Yuan Qing

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109641M (2018) https://doi.org/10.1117/12.2505385
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

In this paper, we propose the low loss negative curvature fiber with circular internally tangent nested tube in elliptical cladding tubes. The leakage loss can be decreased because the elliptical cladding tubes have higher curvature at the core boundary compared to the circular cladding tubes. The circular nested tube in the elliptical cladding tubes provides an additional antiresonant reflection element to reach lower leakage loss. The simulation results show the negative curvature hollow core fiber in this paper has a low leakage loss in the spectral region from 1.3μm to 1.7μm. In particular, the leakage loss is 0.012dB/km at 1.55μm.

Citation Download Citation

Ying Han, Fanchao Meng, Shi Qiu, Tingting Dong, Weizhen Zhu, and Yuan Qing "Low loss negative curvature fiber with circular internally tangent nested tube in elliptical tubes", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109641M (15 November 2018); https://doi.org/10.1117/12.2505385

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