Narrow-band fibre reflector based on a fibre Bragg grating reflection interferometer

V. S. Terentyev, A. A. Vlasov, S. R. Abdullina, V. A. Simonov, M. I. Skvortsov, S. A. Babin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Narrow-band filtering in reflected light using a reflection interferometer with a fibre Bragg grating (FBG) as its back mirror is demonstrated for the first time. The reflection interferometer is made in SMF-28e single-mode fibre, and the faces of its front mirror, which includes a thin metallic film, differ in reflectance. The reflection bandwidth of a test sample is 0.5 pm (62 MHz) at a wavelength of 1556 nm (Q-factor of 3 ´ 10 6), its maximum reflectance is 0.21, and its contrast is 10 2. The use of a narrow-band FBG instead of thin-film broadband mirrors allows spectral selection to be significantly improved owing to an increase in the length of the interferometer base.

Original languageEnglish
Pages (from-to)728-732
Number of pages5
JournalQuantum Electronics
Volume48
Issue number8
DOIs
Publication statusPublished - 1 Jan 2018

Keywords

  • Dielectric interference coating
  • Fibre Bragg grating
  • Fibre optics
  • Multiple-beam interference
  • Reflection interferometer
  • Thin metallic film
  • fibre optics
  • LASER
  • LIGHT
  • thin metallic film
  • multiple-beam interference
  • reflection interferometer
  • dielectric interference coating
  • fibre Bragg grating

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