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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 7 — Mar. 26, 2012
  • pp: 7088–7094

Multiwavelength erbium-doped fiber laser based on a nonlinear amplifying loop mirror assisted by un-pumped EDF

Xuesong Liu, Li Zhan, Shouyu Luo, Zhaochang Gu, Jinmei Liu, Yuxing Wang, and Qishun Shen  »View Author Affiliations

Optics Express, Vol. 20, Issue 7, pp. 7088-7094 (2012)

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A multiwavelength erbium-doped fiber (EDF) laser based on a nonlinear amplifying loop mirror (NALM) is proposed and experimentally demonstrated. The NALM provides intensity-dependent transmissivity to equalize different-wavelength powers and the transmission can be uniquely optimized by controlling the cavity loss associated with a section of un-pumped EDF, which also enhances the output signal-to-noise ratio (SNR). Through adjusting the polarization controllers (PCs), under only 70mW pump power, up to 62-wavelength output with channel spacing of 0.45 nm has been achieved. Also, the lasing tunability and stability are verified.

© 2012 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 18, 2011
Revised Manuscript: January 18, 2012
Manuscript Accepted: January 18, 2012
Published: March 13, 2012

Xuesong Liu, Li Zhan, Shouyu Luo, Zhaochang Gu, Jinmei Liu, Yuxing Wang, and Qishun Shen, "Multiwavelength erbium-doped fiber laser based on a nonlinear amplifying loop mirror assisted by un-pumped EDF," Opt. Express 20, 7088-7094 (2012)

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