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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 32 — Nov. 10, 2008
  • pp: 6099–6102

Voltage-tuned multiwavelength Raman ring laser with high tunability based on a single fiber Bragg grating

Young-Geun Han, Sang Bae Lee, Chang-Seok Kim, and Myung Yung Jeong  »View Author Affiliations

Applied Optics, Vol. 47, Issue 32, pp. 6099-6102 (2008)

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A practical scheme for a tunable multiwavelength Raman fiber ring laser based on a single fiber Bragg grating with a voltage-controllable coil heater is investigated. The number of phase-shifted regions within a single fiber grating determines the number of reflection peaks and the number of lasing wavelengths in the multiwavelength Raman fiber ring laser. A stable multiwavelength Raman fiber ring laser with low output peak-power fluctuation of less than 0.5 dB at room temperature is achieved. A multiwavelength Raman fiber ring laser with a high extinction ratio of more than 50 dB is realized. High flatness is obtained for three lasing peaks, and the lasing peak-power difference is measured to be less than 0.2 dB . A voltage-controllable coil heater with heating elements is used to effectively control three lasing wavelengths in the multiwavelength output, and the tunability of each lasing wavelength is measured to be 0.11 nm / V .

© 2008 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 1, 2008
Revised Manuscript: September 30, 2008
Manuscript Accepted: October 13, 2008
Published: November 7, 2008

Young-Geun Han, Sang Bae Lee, Chang-Seok Kim, and Myung Yung Jeong, "Voltage-tuned multiwavelength Raman ring laser with high tunability based on a single fiber Bragg grating," Appl. Opt. 47, 6099-6102 (2008)

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