Paper
27 November 2012 Linearly-polarized Yb-doped fiber laser based on 45-degree fiber Bragg grating
Shenggui Fu, Xiaojuan Liu, Liping Guo, Xiaolu Ge, Gongxiang Wei
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Abstract
In the paper, a 45 degree TFBG was fabricated in photosensitive fiber successfully using phase mask technique. The polarization-dependent loss characteristic of the TFBG was experimentally researched in the paper using a special measurement system. The measurement results showed that the 45 degree TFBG could act as a polarization possession element. Based on the 45 degree TFBG, a linearly-polarized Yb-doped fiber laser was demonstrated. The polarization-extinction ratio of the output laser is about 30 dB. The output power was about 13 mW with the pump power of 100 mW. The central wavelength of the laser is 1064nm and the wavelength bandwidth was about 0.7nm. Being a polarization device, the TFBG has the advantages of in-fiber, compact, good polarization capability and low price.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Shenggui Fu, Xiaojuan Liu, Liping Guo, Xiaolu Ge, and Gongxiang Wei "Linearly-polarized Yb-doped fiber laser based on 45-degree fiber Bragg grating", Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 85551B (27 November 2012); https://doi.org/10.1117/12.2000682
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KEYWORDS
Fiber lasers

Polarization

Fiber Bragg gratings

Polarizers

Fabrication

Fiber polarizers

Semiconductor lasers

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