Rational harmonic mode-locking of erbium-doped fiber laser at 40 GHz using a loss-modulated Fabry-Perot laser diode

被引：42
|
作者：
Lin, GR [1 ]
Chang, YC [1 ]
Wu, JR [1 ]
机构：
[1] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 300, Taiwan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 08期
关键词：
erbium-doped fiber laser (EDFL); Fabry-Perot laser diode (FPLD); harmonic mode-locking; injection-locking; loss modulation; rational harmonic mode-locking;
D O I：
10.1109/LPT.2004.831057
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：
Rational harmonic mode-locking of an Erbium-doped fiber ring laser (EDFL) at repetition frequency of 40 GHz is demonstrated by using a purely loss-modulated Fabry-Perot laser diode (FPLD) at 1 GHz. The FPLD is neither lasing nor gain-switching, which requires a threshold modulation power of 18 dBm to initiate harmonic mode-locking of the EDFL. After chirp compensation, the nearly transform-limited pulsewidth And spectral linewidth of 3 ps and 1.3 mn are obtained at repetition frequency of 40 GHz, which corresponds to a time-bandwidth product of 0.31. The EDFL gradually evolves from harmonic mode-locking to injection-locking mode as the FPLD changes from loss-modulation to gain-switching mode by increasing its dc driving current.
引用
收藏
页码：1810 / 1812
页数：3
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