Design of wavelength-switching erbium-doped fiber lasers with a multimode fiber Bragg grating using spatial-mode excitation and selection techniques

Lei Su, Chao Lu, Jianzhong Hao, Zhihong Li, Yixin Wang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

21 Citations (Scopus)


A multimode fiber Bragg grating (MMFBG)-based wavelength-switching erbium-doped fiber laser and its application in displacement sensing is proposed and demonstrated. According to the spatial-mode distribution in the multimode fiber (MMF), the modes reflected by the MMFBG at different wavelengths build a wavelength-dependent mode field on the transverse plane of the MMF. By varying spatial-launching position of the single-mode fiber against the MMFBG to achieve different mode group excitation and selection, single-wavelength lasing at 31 discrete wavelengths has been realized over a wide wavelength range.
Original languageEnglish
Pages (from-to)315-317
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number2
Publication statusPublished - 1 Feb 2005
Externally publishedYes


  • Displacement sensor
  • Erbium-doped fiber laser (EDFL)
  • Multimode fiber Bragg grating (MMFBG)
  • Wavelength switching

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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