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Proceedings Paper

Stable narrow line width dual-wavelength communication light source based on a DBR fiber laser
Author(s): Hui Zhu; Chenghou Tu; Yongnan Li; Wen'gang Guo; Dai Wei; Ting Lei; Fuyun Lu
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Paper Abstract

A dual-wavelength narrow line width laser system, with ultra-narrow wavelength spacing, is proposed and demonstrated. The operation principle of the laser system is based on the pumped-induced thermal effects of the Er-Yb-doped fiber DBR laser. We designed and constructed a common Er-Yb-doped DBR fiber laser with proper parameters. With the pump power of the DBR laser increasing, the Bragg wavelengths and the bandwidths of the two gratings will change unequally. When pumped with 45mW, we obtain a stable dual wavelength lasing with the bandwidth of 0.014nm and the wavelength spacing of 0.055nm.

Paper Details

Date Published: 8 January 2008
PDF: 3 pages
Proc. SPIE 6838, Optoelectronic Devices and Integration II, 68381Z (8 January 2008); doi: 10.1117/12.757381
Show Author Affiliations
Hui Zhu, Nankai Univ. (China)
Chenghou Tu, Nankai Univ. (China)
Yongnan Li, Nankai Univ. (China)
Wen'gang Guo, Nankai Univ. (China)
Dai Wei, Nankai Univ. (China)
Ting Lei, Nankai Univ. (China)
Fuyun Lu, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 6838:
Optoelectronic Devices and Integration II
Xuping Zhang; Hai Ming; Maggie Yihong Chen, Editor(s)

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