连续锁模Nd∶YVO_4激光器实现1GHz高频输出(英文)  

1 GHz Repetition Rate CW Mode-locked Nd∶YVO_4 Laser

作　　者：彭继迎[1] 檀慧明[1] 王保山[1] 苗杰光[1] 钱龙生[1] 王勇刚[2] 马骁宇[2] 

机构地区：[1]中国科学院长春光学精密机械与物理研究所 [2]中国科学院半导体研究所,北京100083

出　　处：《光子学报》2007年第8期1393-1396,共4页Acta Photonica Sinica

摘　　要：LD抽运全固体Nd∶YVO4激光器在连续锁模状态运转下获得了高达1GHz的重复频率.实验中采用半导体可饱和吸收镜作为锁模元件.利用透过率只有0.8%的输出镜以及可获得较小抽运光斑的2WLD作为抽运源来优化激光器设计,有效地抑制了调Q锁模状态的运转.低的激光器振荡阈值(35mW)和连续锁模阈值(0.8W)显示了饱和吸收体低的插入损耗和激光器合理的设计.在最大抽运1.6W时获得了210mW的平均输出功率.A diode-pumped CW mode-locked Nd ： YVO4 laser with a repetition rate of 1 GHz was demonstrated. The laser was passively mode locked by a semiconductor saturable absorber mirror （SESAM）. The QML operation was successfully suppressed by using an output coupler with very low transmission （0.8%） and a 2 W LD pump source introducing a small pump spot in the laser crystal. The lasing oscillation threshold was 35 mW and CW mode locking threshold was 0.8 W. The maximum average output power was 210 mW with 1.6 W pump power.

关 键 词：高频 连续锁模 Nd∶YVO4 SESAM 

分 类 号：TN248.1[电子电信—物理电子学]