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Proceedings Paper

Mode-hopping of pi/2 phase-shifted distributed feedback fiber grating laser
Author(s): Li Wang; Bai Chen; Jialin Chen; Xiaoxing Feng; Zunqi Lin
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Paper Abstract

During the operation of pi/2 phase-shifted distributed feedback Yb-doped fiber grating laser (YDFBL), the phenomenon of mode-hopping has been observed. It has been found that the light power incident into the fiber laser and the ambient temperature will affect the generation of mode-hopping. When the pump power changes in a wide range, i.e., from tens of milliwatts to more than one hundred milliwatts, there are only two modes dominating by turns with the consideration of different resolution error. When the ambient temperature around the fiber grating rises a little, the mode-hopping will be observed. An explanation basing on the spatial hole burning and wavelength shift induced by temperature fluctuation for this phenomenon has been given out.

Paper Details

Date Published: 23 December 2005
PDF: 8 pages
Proc. SPIE 6028, ICO20: Lasers and Laser Technologies, 60280R (23 December 2005); doi: 10.1117/12.667150
Show Author Affiliations
Li Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Bai Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Jialin Chen, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaoxing Feng, Shanghai Institute of Optics and Fine Mechanics (China)
Zunqi Lin, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 6028:
ICO20: Lasers and Laser Technologies
Y. C. Chen; Dianyuan Fan; Chunqing Gao; Shouhuan Zhou, Editor(s)

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