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Proceedings Paper

Switchable multiwavelength erbium-doped fiber laser incorporating a sampled fiber Bragg grating written in polarization-maintaining fiber
Author(s): Zhanyuan Liu; Yan-ge Liu; Jiangbing Du; Shuzhong Yuan; Xiaoyi Dong
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Paper Abstract

A stable multiwavelength erbium-doped fiber laser is proposed and demonstrated successfully. Through carefully adjusting the state of the polarization controller, the stable two three-wavelength with a spacing of 0.8 nm and one four-wavelength with a spacing of 0.4 nm fiber laser have been obtained. A nonlinear optical loop mirror (NOLM) with 70-m long Photonic Crystal Fiber (PCF) is employed to ensure stable room-temperature multiwavelength operation. The measured power fluctuation of each wavelength is less than 0.2 dB and the peak power differences among the main oscillation wavelengths are less than 1.0 dB. Another desirable characteristic is that it needs a relatively low pump power of 100 mW. The signal-to-noise ratio is ~35 dB. And it is better than that inserting single-mode fiber (SMF) ever reported.

Paper Details

Date Published: 21 November 2007
PDF: 6 pages
Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67812W (21 November 2007);
Show Author Affiliations
Zhanyuan Liu, Nankai Univ. (China)
Yan-ge Liu, Nankai Univ. (China)
Jiangbing Du, Nankai Univ. (China)
Shuzhong Yuan, Nankai Univ. (China)
Xiaoyi Dong, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 6781:
Passive Components and Fiber-based Devices IV
Ming-Jun Li; Jianping Chen; Satoki Kawanishi; Ian H. White, Editor(s)

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