中国物理B ›› 2024, Vol. 33 ›› Issue (7): 74209-074209.doi: 10.1088/1674-1056/ad3efb

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Wavelength-interval switchable Brillouin-Raman random fiber laser through Brillouin pump manipulation

Yang Li(李阳)1, En-Ming Xu(徐恩明)1, Rui-Jia Chen(陈睿佳)1, Yu-Gang Shee2,‡, and Zu-Xing Zhang(张祖兴)1,†   

  1. 1 Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China;
    2 Department of Electrical and Electronic Engineering, Lee Kong Chian Faculty of Engineering & Science (LKC FES), Universiti Tunku Abdul Rahman (UTAR) Sungai Long Campus, Malaysia
  • 收稿日期:2024-03-19 修回日期:2024-04-12 接受日期:2024-04-16 出版日期:2024-06-18 发布日期:2024-06-28
  • 通讯作者: Yu-Gang Shee, Zu-Xing Zhang E-mail:zxzhang@njupt.edu.cn;sheeyg@utar.edu.my
  • 基金资助:
    Poject supported by the National Natural Science Foundation of China (Grant Nos. 62175116 and 62311530343) and the Postgraduate Research Innovation Program of Jiangsu Province, China (Grant No. KYCX22 0913).

Wavelength-interval switchable Brillouin-Raman random fiber laser through Brillouin pump manipulation

Yang Li(李阳)1, En-Ming Xu(徐恩明)1, Rui-Jia Chen(陈睿佳)1, Yu-Gang Shee2,‡, and Zu-Xing Zhang(张祖兴)1,†   

  1. 1 Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China;
    2 Department of Electrical and Electronic Engineering, Lee Kong Chian Faculty of Engineering & Science (LKC FES), Universiti Tunku Abdul Rahman (UTAR) Sungai Long Campus, Malaysia
  • Received:2024-03-19 Revised:2024-04-12 Accepted:2024-04-16 Online:2024-06-18 Published:2024-06-28
  • Contact: Yu-Gang Shee, Zu-Xing Zhang E-mail:zxzhang@njupt.edu.cn;sheeyg@utar.edu.my
  • Supported by:
    Poject supported by the National Natural Science Foundation of China (Grant Nos. 62175116 and 62311530343) and the Postgraduate Research Innovation Program of Jiangsu Province, China (Grant No. KYCX22 0913).

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摘要： A wavelength-interval switchable Brillouin-Raman random fiber laser (BRRFL) based on Brillouin pump (BP) manipulation is proposed in this paper. The proposed wavelength-interval switchable BRRFL has a full-open cavity configuration, featuring multiwavelength output with wavelength interval of double Brillouin frequency shifts. Through simultaneously injecting the BP light and its first-order stimulated Brillouin-scattered light into the cavity, the laser output exhibits a wavelength interval of single Brillouin frequency shift. The wavelength-interval switching effect can be manipulated by controlling the power of the first-order stimulated Brillouin scattering light. The experimental results show the multiwavelength output can be switched between double Brillouin frequency shift multiwavelength emission with a broad bandwidth of approximately 60 nm and single Brillouin frequency shift multiwavelength emission of 44 nm. The flexible optically controlled random fiber laser with switchable wavelength interval makes it useful for a wide range of applications and holds significant potential in the field of wavelength-division multiplexing optical communication.

关键词: wavelength-interval switchable fiber laser, Brillouin fiber laser, stimulated Brillouin-scattered, random fiber laser

Abstract: A wavelength-interval switchable Brillouin-Raman random fiber laser (BRRFL) based on Brillouin pump (BP) manipulation is proposed in this paper. The proposed wavelength-interval switchable BRRFL has a full-open cavity configuration, featuring multiwavelength output with wavelength interval of double Brillouin frequency shifts. Through simultaneously injecting the BP light and its first-order stimulated Brillouin-scattered light into the cavity, the laser output exhibits a wavelength interval of single Brillouin frequency shift. The wavelength-interval switching effect can be manipulated by controlling the power of the first-order stimulated Brillouin scattering light. The experimental results show the multiwavelength output can be switched between double Brillouin frequency shift multiwavelength emission with a broad bandwidth of approximately 60 nm and single Brillouin frequency shift multiwavelength emission of 44 nm. The flexible optically controlled random fiber laser with switchable wavelength interval makes it useful for a wide range of applications and holds significant potential in the field of wavelength-division multiplexing optical communication.

Key words: wavelength-interval switchable fiber laser, Brillouin fiber laser, stimulated Brillouin-scattered, random fiber laser

中图分类号:  (Resonators, cavities, amplifiers, arrays, and rings)

  • 42.60.Da
42.60.Fc (Modulation, tuning, and mode locking) 42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation) 42.65.Ky (Frequency conversion; harmonic generation, including higher-order harmonic generation)