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Title: Investigation of a multiwavelength erbium-doped fiber laser employing a nonlinear high-birefringence fiber loop mirror
Authors: Feng, X
Wai, PKA 
Lu, C 
Tam, HY 
Li, J
Guan, BO
Keywords: High-birefringence fiber loop mirror
Intensity-dependent loss
Multiwavelength erbium-doped fiber laser
Wavelength-dependent loss
Issue Date: 2010
Source: Optical engineering, 2010, v. 49, no. 7, 074202 How to cite?
Journal: Optical Engineering 
Abstract: A room-temperature multiwavelength erbium-doped fiber laser (EDFL) based on a nonlinear high-birefringence fiber loop mirror (HiBi-FLM) is proposed and demonstrated. The nonlinear HiBi-FLM can induce not only wavelength-dependent loss (WDL) but also intensity-dependent loss (IDL). WDL and IDL can effectively suppress the mode competition caused by homogeneous gain broadening of the erbium-doped fiber (EDF), and ensure stable and uniform power distribution over wavelengths. As a result, up to 50-wavelength lasing operations with wavelength spacing of 0.8 nm, and more than 100-wavelength operations with wavelength spacing of 0.14 nm are achieved. The power distribution over the wavelengths is uniform, and the power fluctuation in each wavelength is smaller than 0.2 dB.
ISSN: 0091-3286
DOI: 10.1117/1.3467472
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