Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers

Juan Wang; Shunbin Wang; Xiabing Zhou; Mo Liu; Hao Wu; Yu Yin; Zhipeng Qin; Guoqiang Xie; Zhenrui Li; Pengfei Wang; Yichun Liu

doi:10.1038/s41377-025-02045-z

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Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers

Original Articles

- Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers
- Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers
- Light: Science & Applications 2025年14卷第11期页码：3630-3640
- Affiliations：
  
  1.College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, China
  2.Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266400, China
  3.School of Physics and Astronomy, Key Laboratory for Laser Plasmas (Ministry of Education), Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiao Tong University, Shanghai 200240, China
  4.School of Physics, State Key Laboratory of Integrated Optoelectronics, Northeast Normal University, Changchun 130022, China
  5.School of Physics, Key Laboratory of UV-Emitting Materials and Technology, Northeast Normal University, Changchun 130022, China
- Author bio：
  
  Guoqiang Xie (xiegq@sjtu.edu.cn)
  Zhenrui Li (lizr20@hrbeu.edu.cn)
  Pengfei Wang (pfwang@nenu.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-02045-z
  中图分类号：
- 收稿：2025-03-06，
  
  修回：2025-08-15，
  
  录用：2025-09-09，
  
  网络出版：2025-09-24，
  
  纸质出版：2025-11-30
- Accepted：
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Juan Wang, Shunbin Wang, Xiabing Zhou, 等. Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers[J]. Light: Science & Applications, 2025,14(11):3630-3640.

Wang, J. et al. Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers. Light: Science & Applications, 14, 2630-2640 (2025).
Juan Wang, Shunbin Wang, Xiabing Zhou, 等. Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers[J]. Light: Science & Applications, 2025,14(11):3630-3640. DOI： 10.1038/s41377-025-02045-z.

Wang, J. et al. Generation of tunable Raman soliton and dispersive wave beyond 4 μm in centimeter-length fluorotellurite fibers. Light: Science & Applications, 14, 2630-2640 (2025). DOI： 10.1038/s41377-025-02045-z.

摘要

Abstract

3–5-μm mid-infrared (MIR) ultrafast laser sources have garnered significant attention due to their critical applications in spectroscopy

environmental monitoring

and imaging. However

4–5-μm compact fiber laser sources remain a significant technological challenge due to the lack of MIR fibers with good chemical stability

thermal stability

high nonlinearity

and low loss. Here

we develop fluorotellurite fibers based on 60TeO

-20BaF

-10AlF

-10Y

(TBAY) glasses with a wide transmission window

demonstrating tunable Raman soliton and dispersive wave (DW) generation beyond 4 µm in centimeter-length fluorotellurite fibers pumped by a 3.54 μm femtosecond laser source. Fluorotellurite fibers with a loss of 0.39 dB/m were fabricated using a rod-in-tube method. The high numerical aperture (NA ~ 1.1@3.5 μm) of TBAY fibers allows the zero-dispersion wavelength (ZDW) to be tuned over a wide range by varying the core diameter of the fibers. The dispersion-engineered TBAY fibers with a core diameter of 6.5 μm enabled 4584 nm Raman soliton generation

while fibers with a core diameter of 3 μm enabled 4177 nm DW generation. We conducted detailed experiments to investigate the influence of pump power and fiber length on SSFS and dispersive wave dynamics. Theoretical analysis and numerical simulations based on the generalized nonlinear Schrödinger equation corroborate the experimental results. Our results show that TBAY fibers are promising nonlinear media f

or constructing compact ultrafast laser sources in the 4-5 μm wavelength range.

关键词

Keywords

references

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