2-μm numerical analysis of linear-cavity FP structures based on fiber Bragg gratings

Zhuoya Bai, Fengping Yan, Luna Zhang, Yan Bai, Shuo Liu, Hong Zhou, Yafei Hou, Ning Zhang

Research output: Contribution to journalArticlepeer-review

Abstract

The linewidth performance of all-fiber, linear-cavity Fabry-Perot structures based on fiber Bragg gratings operating at 2-μm band has been investigated numerically. The output linewidth performance of two symmetrical and asymmetrical cavities has been theoretically studied and comprehensively compared. The numerical analysis is based on the transmission matrix method with the simplified parameters. The simulation results show that cavity lengths, cavity lengths ratio, grating lengths, grating lengths ratio, as well as index modulation depths, affect the output linewidth performance. The tolerance ability of the asymmetrical structure is first proposed and investigated under 1 mm accuracy, and single-frequency output can be realized by properly adjusting the properties of the proposed composite linear cavity structure.

Original languageEnglish
Article number056107
JournalOptical Engineering
Volume56
Issue number5
DOIs
Publication statusPublished - May 1 2017
Externally publishedYes

Keywords

  • 2-μm band
  • fiber Bragg grating
  • linear cavity
  • narrow linewidth

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)

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