锁模脉冲波长连续可调谐光纤激光器  

Continuously Tuning Fiber Lasers with Wavelength of Mode-locked Pulses

作　　者：李喆[1,2] 赵卫[1] 张伟[1,2] 陈国夫[1] 王屹山[1] 

机构地区：[1]中国科学院西安光学精密机械研究所瞬态光学与光子技术国家重点实验室,西安710119 [2]中国科学院研究生院,北京160049

出　　处：《光子学报》2009年第1期1-4,共4页Acta Photonica Sinica

基　　金：国家自然科学基金(60537060)资助

摘　　要：利用在腔内加入可调谐光纤光栅滤波器使"8"字形腔掺Yb3+光纤激光器在锁模状态下实现波长连续可调谐.实验中,在保证锁模状态稳定的情况下,通过调节可调谐光纤光栅滤波器,使激光器输出锁模脉冲的中心波长在1047nm～1055nm范围内连续调谐,重复频率稳定维持在4.9MHz.在中心波长1053nm处,测得锁模脉冲输出平均功率为8.02mW,光谱带宽1nm,脉冲宽度为259.3ps.这种"8"字形腔被动锁模光纤激光器在锁模状态下对波长连续可调谐,并可长时间稳定工作.It Was reported that Yb^3＋-doped fiber lasers with figure-of-eight cavity using the manual tunable fiber Bragg grating that can achieve wavelength continuous tuning in mode-locked operating. In the experiment,by adjusting the manual tunable fiber Bragg grating and control the transmission of the light through the filter band,the operating center wavelength of the fiber lasers could be tuned from 1 047 nm to I 055 nm and pulse duration at a repetition rate of 4. 9 MHz. The fiber laser could generate 8. 02 mW output average power of 259.3 ps pulse duration when the operating center wavelength was at 1 053 nm and spectrum width was about 1 nm. The mode-locked fiber lasers can achieve wavelength continuous tuning in mode-locked operating and,keep stable for a tong time.

关 键 词：波长连续调谐 锁模脉冲 光纤光栅滤波器 "8"字形腔 光纤激光器 掺YB^3+光纤 

分 类 号：TN248.1[电子电信—物理电子学]