Lasing wavelength and spacing switchable multiwavelength fiber laser from 1510 to 1620 nm

Young Geun Han, Gilhwan Kim, Ju Han Lee, Sang Hyuck Kim, Sang Bae Lee

Research output: Contribution to journalArticlepeer-review

94 Scopus citations

Abstract

We experimentally demonstrate a flexibly switchable multiwavelength fiber laser with multiple functionalities like a wide tuning range of lasing wavelength, wavelength spacing, and the number of channels simultaneously. The lasing wavelength is controlled in the range from 1510 to 1620 nm based on the effect of nonlinear gain compression of a semiconductor optical amplifier incorporated with an erbium-doped fiber amplifier. The wavelength spacing and the number of channels in the multiwavelength fiber laser are readily controlled by the effective length of polarization-maintaining fiber (PMF) segments in the intracavity PMF Lyot-Sagnac filter.

Original languageEnglish
Pages (from-to)989-991
Number of pages3
JournalIEEE Photonics Technology Letters
Volume17
Issue number5
DOIs
StatePublished - May 2005

Keywords

  • Multichannel filter
  • Multiwavelength fiber laser
  • Optical interleaver

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