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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 3 — Feb. 6, 2006
  • pp: 1113–1118

Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter

Shilong Pan, Caiyun Lou, and Yizi Gao  »View Author Affiliations

Optics Express, Vol. 14, Issue 3, pp. 1113-1118 (2006)

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We demonstrated a simple technique to obtain stable room temperature multiwavelength lasing in an erbium-doped fiber laser by the inhomogeneous loss mechanism. Successful reduction of the cross-gain saturation in erbium-doped fiber was achieved by incorporating a section of highly nonlinear fiber (HNLF) and a narrowband Fabry-Perot filter (FPF) in the laser cavity. More than 70 wavelengths simultaneous lasing were observed with the same frequency space of 25GHz. The laser had a total output power of ∼3.2dBm, a bandwidth of 0.012nm (∼1.5GHz) and a signal-to-spontaneous-noise ratio of ∼44dB. The total output power can be further increased to more than 190mW by moving the output port right after the EDFA.

© 2006 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(190.4370) Nonlinear optics : Nonlinear optics, fibers

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 5, 2005
Revised Manuscript: January 20, 2006
Manuscript Accepted: January 20, 2006
Published: February 6, 2006

Shilong Pan, Caiyun Lou, and Yizi Gao, "Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry-Perot filter," Opt. Express 14, 1113-1118 (2006)

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