Tunable dual-wavelength-switching fiber grating laser

被引:52
作者
Xu, YZ [1 ]
Tam, HY [1 ]
Du, WC [1 ]
Demokan, MS [1 ]
机构
[1] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Peoples R China
关键词
dual wavelength switching; erbium-doped fiber laser; fiber grating laser; homogeneous broadening;
D O I
10.1109/68.661401
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report a tunable dual-wavelengths-switching fiber grating laser by exploiting the large homogeneous gain broadening in erbium (Er)-doped fiber to suppress simultaneous lasing, Wavelength switching was accomplished through a novel design which has two overlapping cavities sharing a single-gain medium, The loss corresponding to one of the lasing wavelengths can be modulated via an optical chopper, Output power of about 6 mW and extinction ratio up to 50 dB were observed, The lasing wavelengths were tunable and switching was demonstrated for wavelength separations ranging from 0.35 to 23.5 nm.
引用
收藏
页码:334 / 336
页数:3
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