Multi-wavelength narrow linewidth fiber laser based on distributed feedback fiber lasers

Jingsheng Lv; Haifeng Qi; Zhiqiang Song; Jian Guo; Jiasheng Ni; Chang Wang; Gangding Peng

doi:10.1007/s13320-016-0330-z

Photonic Sensors ›› 2015, Vol. 6 ›› Issue (3) : 256 -260. DOI: 10.1007/s13320-016-0330-z

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Multi-wavelength narrow linewidth fiber laser based on distributed feedback fiber lasers

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Abstract

A narrow linewidth laser configuration based on distributed feedback fiber lasers (DFB-FL) with eight wavelengths in the international telecommunication union (ITU) grid is presented and realized. In this laser configuration, eight phase-shifted gratings in series are bidirectionally pumped by two 980-nm laser diodes (LDs). The final laser output with over 10-mW power for each wavelength can be obtained, and the maximum power difference within eight wavelengths is 1.2 dB. The laser configuration with multiple wavelengths and uniform power outputs can be very useful in large scaled optical fiber hydrophone fields.

Keywords

Multi-wavelength fiber laser / distributed feedback fiber laser / narrow linewidth fiber laser

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Jingsheng Lv, Haifeng Qi, Zhiqiang Song, Jian Guo, Jiasheng Ni, Chang Wang, Gangding Peng. Multi-wavelength narrow linewidth fiber laser based on distributed feedback fiber lasers. Photonic Sensors, 2015, 6(3): 256-260 DOI:10.1007/s13320-016-0330-z

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