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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 9 — May. 1, 2014
  • pp: 2755–2758

Random fiber Bragg grating Raman fiber laser

Mathieu Gagné and Raman Kashyap  »View Author Affiliations


Optics Letters, Vol. 39, Issue 9, pp. 2755-2758 (2014)
http://dx.doi.org/10.1364/OL.39.002755


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Abstract

We demonstrate for the first time to our knowledge a Raman random fiber laser (RRFL) based on a long random fiber Bragg grating (RFBG-RRFL). Unlike other recently demonstrated random fiber lasers that rely on incoherent Rayleigh scattering feedback, the present scheme uses randomly distributed phase shifts inside a fiber-meter long Bragg grating as a random coherent feedback mechanism. The laser is pumped at 1480 nm and emits a CW signal at 1576 nm. The emission spectrum is dependent on pump intensity and is shown to exhibit single and multi-mode characteristics. The RRFL shows a relatively low threshold (2.2 W) and a 430kHz FWHM linewidth.

© 2014 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3550) Lasers and laser optics : Lasers, Raman
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 20, 2014
Revised Manuscript: March 28, 2014
Manuscript Accepted: April 2, 2014
Published: April 29, 2014

Citation
Mathieu Gagné and Raman Kashyap, "Random fiber Bragg grating Raman fiber laser," Opt. Lett. 39, 2755-2758 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-9-2755

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