Bidirectional output wavelength characteristics of asymmetric phase-shifted distributed feedback fiber lasers

Wei Fan, Bai Chen, Jialin Chen, Qiquan Qiao, Xuechun Li, Lanrong Chen, Shaohe Chen, Zunqi Lin

Research output: Contribution to journalArticlepeer-review

Abstract

The π phase-shifted distributed feedback fiber lasers, in which the power would focus on the phase-shift region if the coupling strength is high enough, is often used to acquire single frequency output. But due to the spatial hole burning, the output wavelength would be different for the two output ports. The fundamental mode focuses on the port near the phase shift region while the ±1 modes would focus on the other port if the phase shift region is far away from the center of the grating. Both the theoretical analysis and experiments are presented.

Original languageEnglish (US)
Pages (from-to)828-833
Number of pages6
JournalGuangxue Xuebao/Acta Optica Sinica
Volume23
Issue number7
StatePublished - Jul 2003
Externally publishedYes

Keywords

  • Asymmetric
  • Fiber lasers
  • Phase-shifted distributed feedback
  • Spatial hole burning

ASJC Scopus subject areas

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

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