Locking of ultra-high peak pulses in harmonically mode-locked erbium-doped fiber ring lasers

被引：2
|
作者：
Lam, HQ [1 ]
Binh, LN
Ngo, JQN
Shum, P
机构：
[1] Monash Univ, Dept Elect & Comp Syst Engn, Clayton, Vic 3168, Australia
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore
来源：
OPTICAL ENGINEERING | 2005年 / 44卷 / 12期
关键词：
mode-locked lasers; supermode competition; ultra-high power mode locking;
D O I：
10.1117/1.2148347
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a new mode-locking phenomenon in which ultrahigh peak or "giant" pulse trains have certain pulse drops in an active mode-locked fiber ring laser. Generated pulse trains have properties similar to a return-to-zero format with a clear pedestal, with pulse trains circulating in the ring of peak power reaching 575 mW, which is about ten times higher than the actual peak output power. The temporal pulse trains and their optical spectra are described and discussed. It is believed that this is due to the interaction between copropagating pulses in the ring and the supermode competition. (c) 2005 Society of Photo-Optical Instrumentation Engineers.
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页数：3
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