Terahertz radiation by optical rectification in a hydrogen-bonded organic molecular ferroelectric crystal, 2-phenylmalondialdehyde

被引：9

作者：

Guan, Wenguang ^{[1
]}

Kida, Noriaki ^{[1
]}

Sotome, Masato ^{[1
]}

Kinoshita, Yuto ^{[1
]}

Takeda, Ryotaro ^{[1
]}

Inoue, Akito ^{[2
]}

Horiuchi, Sachio ^{[3
,4
]}

Okamoto, Hiroshi ^{[1
]}

机构：

[1] Univ Tokyo, Dept Adv Mat Sci, Kashiwa, Chiba 2778561, Japan

[2] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[3] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058562, Japan

[4] Japan Sci & Technol Agcy JST, CREST, Chiyoda Ku, Tokyo 1020076, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2014年 / 53卷 / 09期

基金：

日本学术振兴会;

关键词：

TEMPERATURE FERROELECTRICITY; GENERATION; PULSES;

D O I：

10.7567/JJAP.53.09PD07

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Terahertz radiation by optical rectification has been observed at room temperature in a hydrogen-bonded organic molecular ferroelectric crystal, 2-phenyl malondialdehyde (PhMDA). The radiated electromagnetic wave consisted of a single-cycle terahertz pulse with a temporal width of similar to 0.5ps. The terahertz radiation amplitude divided by the sample thickness in PhMDA was nearly equivalent to that in a typical terahertz wave emitter ZnTe. This is attributable to a long coherence length in the range of 130-800 mu m for the terahertz radiation from PhMDA. We also discussed the possibility of PhMDA as a terahertz wave emitter in terms of the phase-matching condition. (C) 2014 The Japan Society of Applied Physics

引用

页数：5

共 18 条

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