Compact fiber-pumped terahertz source based on difference frequency mixing in ZGP

被引：31
|
作者：
Creeden, Daniel [1 ]
McCarthy, John C. [1 ]
Ketteridge, Peter A. [1 ]
Southward, Timothy [1 ]
Schunemann, Peter G. [1 ]
Komiak, James J. [1 ]
Dove, Webster [1 ]
Chicklis, Evan P. [1 ]
机构：
[1] BAE Syst Elect & Integrated Solut, Adv Syst & Technol, Nashua, NH 03061 USA
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2007年 / 13卷 / 03期
关键词：
nonlinear optics; optical fiber amplifiers; optical fiber applications;
D O I：
10.1109/JSTQE.2007.896569
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have demonstrated a novel terahertz source based on dual-wavelength amplification in polarization maintaining Yb-doped fiber and frequency mixing in a zinc germanium phosphide (ZGP) crystal. The system consists of two orthogonally polarized signals, whose difference frequency is in the terahertz region, amplified in a single all-fiber amplifier chain and mixed in a ZGP crystal to generate high-peak-power terahertz radiation. Currently, 2 mW of average terahertz power (20 W peak, 20 nJ/pulse) has been produced at a repetition rate of 100 kHz and pulsewidths of 1 ns with a conversion efficiency of 0.137%. We have also developed a terahertz mixing model, which coincides well with our experimental data.
引用
收藏
页码：732 / 737
页数：6
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