Dual-frequency Yb3+-doped DBR fiber laser with 32 GHz frequency difference - 文章详情页

作者：

Hou, Yubin (Hou, Yubin.) | Zhang, Qian (Zhang, Qian.) | Qi, Shuxian (Qi, Shuxian.) | Feng, Xian (Feng, Xian.) | Wang, Pu (Wang, Pu.)

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摘要：

A　dual-frequency　Yb3+-doped　distributed　Bragg　reflection　(DBR)　fiber　laser　was　demonstrated,　which　used　a　home-made　dual-wavelength　low　reflectivity　FBG　as　the　output　port　of　the　DBR　fiber　laser.　The　wavelength　spacing　of　the　FBG　was　about　0.12　nm,　corresponding　to　32　GHz　frequency　difference.　The　dual-wavelength　of　the　laser　output　was　1　063.09　nm　and　1　063.21　nm,　respectively.　The　spectral　signal　noise　ratio　was　more　than　60　dB.　Each　of　the　wavelengths　included　only　one　longitudinal　mode.　The　beat　frequency　of　the　dual-frequency　was　32.014　GHz.　The　signal-noise　ratio　of　the　frequency　spectrum　was　more　than　35　dB.　Benefitted　from　the　compact　structure　and　the　strong　antiinterference　capability　of　the　fiber　laser,　the　dual-frequency　fiber　laser　is　promising　as　the　candidate　of　high-quality　microwave　signal　generator　for　the　applications　such　as　microwave　sensing　and　communications.　©　2018,　Editorial　Board　of　Journal　of　Infrared　and　Laser　Engineering.　All　right　reserved.

关键词：

DBR lasers Fiber Bragg gratings Fiber lasers Fibers Laser optics Signal noise measurement

作者机构：

[ 1 ] [Hou, Yubin]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 2 ] [Zhang, Qian]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 3 ] [Qi, Shuxian]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 4 ] [Feng, Xian]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
[ 5 ] [Wang, Pu]Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China

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