Q-switched mode-locking of an erbium-doped fiber laser using cavity modulation frequency detuning

被引：15
|
作者：
Chang, You Min [1 ]
Lee, Junsu [1 ]
Jhon, Young Min [2 ]
Lee, Ju Han [1 ]
机构：
[1] Univ Seoul, Sch Elect & Comp Engn, Seoul 130743, South Korea
[2] Korea Inst Sci & Technol, Seoul, South Korea
来源：
APPLIED OPTICS | 2012年 / 51卷 / 21期
基金：
新加坡国家研究基金会;
关键词：
ND-YAG LASER; SATURABLE ABSORBER;
D O I：
10.1364/AO.51.005295
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present the results of an investigation regarding a Q-switched mode-locked fiber laser scheme based on a cavity modulation frequency detuning technique. The approach is based on undamped laser relaxation oscillations occurring due to frequency detuning in the fundamental cavity resonance frequency. Through a range of experiments with an erbium-doped, fiber-based, ring-cavity laser, this approach has been shown to be capable of generating high-quality Q-switched mode-locked pulses from an optical fiber-based laser. The maximum frequency detuning range for a stable Q-switched mode-locking operation has been observed to vary depending on the pump power used. We found that the highest pulse peak power was obtained at the frequency detuning threshold at which the operation changed from the mode-locking to the Q-switched mode-locking regime. (C) 2012 Optical Society of America
引用
收藏
页码：5295 / 5301
页数：7
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