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- Title
Investigation of a multiwavelength erbium-doped fiber laser employing a nonlinear high-birefringence fiber loop mirror.
- Authors
Feng, Xinhuan; Wai, Ping-Kong Alex; Lu, Chao; Tam, Hwa-Yaw; Li, Jie; Guan, Bai-Ou
- 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 nmare achieved. The power distribution over the wavelengths is uniform, and the power fluctuation in each wavelength is smaller than 0.2 dB.
- Subjects
FIBER optics; LASERS; ERBIUM; NONLINEAR optics; DOUBLE refraction; WAVELENGTHS; FLUCTUATIONS (Physics); MIRRORS
- Publication
Optical Engineering, 2010, Vol 49, Issue 7, p074202
- ISSN
0091-3286
- Publication type
Article