从掺钕无序晶体激光中产生亚皮秒脉冲。

Subpicosecond pulse generation from a Nd:CLNGG disordered crystal laser.

作者信息

Xie G Q, Tang D Y, Tan W D, Luo H, Zhang H J, Yu H H, Wang J Y

机构信息

School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore.

出版信息

Opt Lett. 2009 Jan 1;34(1):103-5. doi: 10.1364/ol.34.000103.

DOI:10.1364/ol.34.000103

PMID:19241632

Abstract

We report on a diode-pumped passively mode-locked subpicosecond Nd:CLNGG disordered crystal laser for the first time to our knowledge. Owing to the large inhomogeneous broadening and spectrum splitting of the disordered crystal, the Nd:CLNGG laser generated 900 fs mode-locked pulses with a repetition rate of approximately 88 MHz at 1061 nm wavelength. With a single-emitter laser diode pumping, a maximum average output power of 486 mW was achieved with a slope efficiency of 26%. Our experimental results show that the four-level Nd:CLNGG disordered crystal could be an excellent alternative for subpicosecond pulse generation.

摘要

据我们所知，我们首次报道了一种二极管泵浦被动锁模亚皮秒Nd:CLNGG无序晶体激光器。由于无序晶体的大非均匀展宽和光谱分裂，Nd:CLNGG激光器在1061nm波长处产生了重复频率约为88MHz的900fs锁模脉冲。采用单发射极激光二极管泵浦，实现了486mW的最大平均输出功率，斜率效率为26%。我们的实验结果表明，四能级Nd:CLNGG无序晶体可能是产生亚皮秒脉冲的优秀替代方案。