Organic Phenolic Configurationally Locked Polyene Single Crystals for Electro-optic and Terahertz Wave Applications

被引：145

作者：

Kwon, O-Pil ^{[1
,2
]}

Kwon, Seong-Ji ^{[1
]}

Jazbinsek, Mojca ^{[1
]}

Brunner, Fabian D. J. ^{[1
]}

Seo, Jung-In ^{[3
,4
]}

Hunziker, Christoph ^{[1
]}

Schneider, Arno ^{[1
]}

Yun, Hoseop ^{[5
,6
]}

Lee, Yoon-Sup ^{[3
,4
]}

Guenter, Peter ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Nonlinear Opt Lab, CH-8093 Zurich, Switzerland

[2] Ajou Univ, Dept Mol Sci & Technol, Suwon 443749, South Korea

[3] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 305701, South Korea

[4] Korea Adv Inst Sci & Technol, Sch Mol Sci BK 21, Taejon 305701, South Korea

[5] Ajou Univ, Div Energy Syst Res, Suwon 443749, South Korea

[6] Ajou Univ, Dept Chem, Suwon 443749, South Korea

来源：

ADVANCED FUNCTIONAL MATERIALS | 2008年 / 18卷 / 20期

基金：

瑞士国家科学基金会;

关键词：

D O I：

10.1002/adfm.200800633

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We investigate a configurationally locked polyene (CLIP) crystal 2-(3-(4-hydroxystyryl)-5,5-dimethylcyclohex-2-enylidene)malononitrile (OH1) containing a phenolic electron donor, which also acts as a hydrogen bond donor. The OH1 crystals with orthorhombic space group Pna2(1) (point group mm2) exhibit large second-order nonlinear optical figures of merit, high thermal stability and very favorable crystal growth characteristics. Higher solubility in methanol and a larger temperature difference between the melting temperature and the decomposition temperature of OH1 compared to analogous CLP crystals, are of advantage for solution and melt crystal growth, respectively. Acentric bulk OH1 crystals of large sizes with side lengths of up to 1 cm with excellent optical quality have been successfully grown from methanol solution. The microscopic and macroscopic nonlinearities of the OH1 crystals are investigated theoretically and experimentally. The OH1. crystals exhibit a large macroscopic nonlinearity with four times larger powder second harmonic generation efficiency than that of analogous CLP crystals containing dimethylamino electron donor. A very high potential of OH1 crystals for broadband THz wave emitters in the full frequency range of 0.1-3 THz by optical rectification of 160 fs pulses has been demonstrated.

引用

页码：3242 / 3250

页数：9

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