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
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1998年 / 10卷 / 03期
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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