Efficient terahertz wave generation from GaP crystals pumped by chirp-controlled pulses from femtosecond photonic crystal fiber amplifier

被引：17
|
作者：
Li, Jiang [1 ]
Chai, Lu [1 ,2 ]
Shi, Junkai [1 ]
Liu, Bowen [1 ,2 ]
Xu, Baozhong [1 ]
Hu, Minglie [1 ,2 ]
Li, Yanfeng [1 ,2 ]
Xing, Qirong [1 ]
Wang, Chingyue [1 ]
Fedotov, Andrey B. [3 ]
Zheltikov, Aleksei M. [3 ,4 ]
机构：
[1] Tianjin Univ, Minist Educ, Coll Precis Instrument & Optoelect Engn, Key Lab Optoelect Informat Technol,Ultrafast Lase, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Minist Educ, MOEMS Key Lab, Tianjin 300072, Peoples R China
[3] Moscow MV Lomonosov State Univ, Ctr Int Laser, Russian Quantum Ctr, Dept Phys, Moscow 119992, Russia
[4] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA
来源：
APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 03期
基金：
俄罗斯基础研究基金会; 中国国家自然科学基金;
关键词：
OPTICAL RECTIFICATION; SYSTEM;
D O I：
10.1063/1.4862270
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A chirp-tunable femtosecond 10 W, 42MHz photonic-crystal-fiber oscillator-amplifier system that is capable of delivering sub-60 fs light pulses at 1040 nm is used to demonstrate high-efficiency terahertz radiation generation via optical rectification in GaP crystals only a few millimeters in length. The optimization of the chirp of the fiber-laser pulses is shown to radically enhance the terahertz output, indicating one possible way to more efficiently use these extended nonlinear crystals in compact fiber-pumped terahertz radiation sources. (C) 2014 AIP Publishing LLC.
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页数：5
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