Optical properties of films of polycarbazolyldiacetylene PDCHD-HS for photonic applications

被引：16

作者：

Giorgetti, E

Margheri, G

Gelli, F

Sottini, S

Comoretto, D

Cravino, A

Cuniberti, C

Dell'Erba, C

Moggio, I

Dellepiane, G

机构：

[1] CNR, Ist Ric Onde Elettromagnet, I-50127 Florence, Italy

[2] Univ Genoa, Dipartimento Chim & Chim Ind, INSTM, INFM, I-16146 Genoa, Italy

来源：

SYNTHETIC METALS | 2001年 / 116卷 / 1-3期

关键词：

polydiacetylenes; nonlinear-waveguides; surface plasmon spectroscopy;

D O I：

10.1016/S0379-6779(00)00529-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spun films of polycarbazolyldiacetylene polyDCHD-HS were prepared from toluene solutions with a thickness ranging from 9 nm up to 3.6 mum. Thicker films were characterized as waveguides at 849 and 1321 nm; 5 dB/cm propagation losses were measured at 1321 nm. The off-resonance third-order nonlinearity of ultra-thin samples (9-14 nm) was measured at 1064 nm with picosecond pulses and using surface plasmon spectroscopy. The very large value chi ((3)) = 4.4 x 10(-17) m(2)/V-2 was detected for the real part of the third-order susceptibility. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：129 / 133

页数：5

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