Efficient high-power terahertz beating in a dual-wavelength synchronously mode-locked laser with dual gain media

被引：49
|
作者：
Huang, Y. J. [1 ]
Tzeng, Y. S. [1 ]
Tang, C. Y. [1 ]
Chiang, S. Y. [1 ]
Liang, H. C. [2 ]
Chen, Y. F. [1 ,3 ]
机构：
[1] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30010, Taiwan
[2] Natl Taiwan Ocean Univ, Inst Optoelect Sci, Keelung 20224, Taiwan
[3] Natl Chiao Tung Univ, Dept Elect Engn, Hsinchu 30010, Taiwan
来源：
OPTICS LETTERS | 2014年 / 39卷 / 06期
关键词：
DISORDERED CRYSTAL; GENERATION; OPERATION; LOCKING; NM;
D O I：
10.1364/OL.39.001477
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We originally present a novel tactic to accomplish a compact efficient dual-wavelength synchronously mode-locked laser by physically combining the Nd:YVO4 crystal to the Nd: GdVO4 crystal as a composite gain medium. With the developed method, the total output power at 1.06 mu m could be effectually produced to reach 1.3 W under the optimally balanced two-color intensities. The corresponding mode-locked pulse width and repetition rate are measured to be 47 ps and 2.86 GHz, respectively. Through the optical beating between two carrier frequencies of dual-color synchronous pulses, a train of 0.32 THz ultrashort pulses is further generated with the effective duration of down to 1.6 ps. (C) 2014 Optical Society of America
引用
收藏
页码：1477 / 1480
页数：4
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