Generation of mid- to far-infrared ultrashort pulses in 4-dimethylamino-N-methyl-4-stilbazolium tosylate crystal

被引：8

作者：

Satoh, Takuya ^{[1
,2
]}

Toya, Yoshihiro ^{[1
]}

Yamamoto, Shunsuke ^{[1
]}

Shimura, Tsutomu ^{[1
]}

Kuroda, Kazuo ^{[1
]}

Takahashi, Yoshinori ^{[3
]}

Yoshimura, Masashi ^{[3
]}

Mori, Yusuke ^{[3
]}

Sasaki, Takatomo ^{[3
]}

Ashihara, Satoshi ^{[2
,4
]}

机构：

[1] Univ Tokyo, Inst Ind Sci, Tokyo 1538505, Japan

[2] Japan Sci & Technol Agcy JST, PRESTO, Kawaguchi, Saitama 3320012, Japan

[3] Osaka Univ, Dept Elect Elect & Informat Engn, Suita, Osaka 5650871, Japan

[4] Tokyo Univ Agr & Technol, Dept Appl Phys, Koganei, Tokyo 1848588, Japan

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2010年 / 27卷 / 12期

基金：

日本学术振兴会;

关键词：

TERAHERTZ-WAVE GENERATION; FIELD-RESOLVED DETECTION; DAST CRYSTALS; OPTICAL RECTIFICATION; GROWTH;

D O I：

10.1364/JOSAB.27.002507

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Mid- to far-infrared (IR) ultrashort pulses were generated using the organic nonlinear optical crystal 4-dimethylamino-N-methyl-4-stilbazolium tosylate. Frequency downconversion was performed by difference frequency generation (DFG) between the signal and idler pulses from an optical parametric amplifier. By the use of a noncollinear configuration in DFG, the phase matching condition was satisfied for pulse generation in the mid-IR and far-IR ranges. At a noncollinear angle of 0.7 degrees between the signal and idler pulses, IR pulses with spectra extending from 8 to 30 THz were generated. The pulse energy and the temporal duration were estimated to be 300 nJ and 250 fs, respectively, for a signal wavelength of 1540 nm and a noncollinear angle of 0.7 degrees. (C) 2010 Optical Society of America

引用

页码：2507 / 2511

页数：5

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