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Optics Letters


  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2895–2897

Raman fiber distributed feedback lasers

Paul S. Westbrook, Kazi S. Abedin, Jeffrey W. Nicholson, Tristan Kremp, and Jerome Porque  »View Author Affiliations

Optics Letters, Vol. 36, Issue 15, pp. 2895-2897 (2011)

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We demonstrate fiber distributed feedback (DFB) lasers using Raman gain in two germanosilicate fibers. Our DFB cavities were 124 mm uniform fiber Bragg gratings with a π phase shift offset from the grating center. Our pump was at 1480 nm and the DFB lasers operated on a single longitudinal mode near 1584 nm . In a commercial Raman gain fiber, the maximum output power, linewidth, and threshold were 150 mW , 7.5 MHz , and 39 W , respectively. In a commercial highly nonlinear fiber, these figures improved to 350 mW , 4 MHz , and 4.3 W , respectively. In both lasers, more than 75% of pump power was transmitted, allowing for the possibility of substantial amplification in subsequent Raman gain fiber.

© 2011 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2310) Fiber optics and optical communications : Fiber optics

ToC Category:
Diffraction and Gratings

Original Manuscript: May 26, 2011
Revised Manuscript: July 1, 2011
Manuscript Accepted: July 1, 2011
Published: July 27, 2011

Paul S. Westbrook, Kazi S. Abedin, Jeffrey W. Nicholson, Tristan Kremp, and Jerome Porque, "Raman fiber distributed feedback lasers," Opt. Lett. 36, 2895-2897 (2011)

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