Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15157
Title: Mechanism for stable, ultra-flat multiwavelength operation in erbium-doped fiber lasers employing intensity-dependent loss
Authors: Feng, X
Lu, C 
Tam, HY 
Wai, PKA 
Tang, DY
Guan, BO
Keywords: Gain-clamping effect
Intensity-dependent loss (IDL)
Multiwavelength erbium-doped fiber laser (EDFL)
Issue Date: 2012
Publisher: Elsevier
Source: Optics and laser technology, 2012, v. 44, no. 1, p. 74-77 How to cite?
Journal: Optics and laser technology 
Abstract: We study a mechanism to attain stable and ultra-flat multiwavelength oscillations in erbium-doped fiber lasers (EDFLs). The key concept is to introduce intensity-dependent loss (IDL) into the laser cavity, which can effectively suppress the mode competition in the homogeneously broadened gain medium and ensure a uniform power distribution over wavelengths via the gain-clamping effect. The technique was successfully demonstrated by employing a nonlinear optical loop mirror (NOLM) in erbium-doped fiber laser cavity. Based on the experimental results, further experimental investigation and theoretical analysis are carried out to show the effectiveness of the gain-clamping mechanism in realizing the multiwavelength operation of the EDFL.
URI: http://hdl.handle.net/10397/15157
ISSN: 0030-3992
DOI: 10.1016/j.optlastec.2011.05.022
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