NONLINEAR OPTICAL SPECTROSCOPY ON ONE-DIMENSIONAL EXCITONS IN SILICON POLYMER, POLYSILANE

被引：106
|
作者：
HASEGAWA, T
IWASA, Y
SUNAMURA, H
KODA, T
TOKURA, Y
TACHIBANA, H
MATSUMOTO, M
ABE, S
机构：
[1] UNIV TOKYO,DEPT PHYS,TOKYO 113,JAPAN
[2] NATL CHEM LAB IND,TSUKUBA 305,JAPAN
[3] ELECTROTECH LAB,TSUKUBA 305,JAPAN
来源：
PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 04期
关键词：
D O I：
10.1103/PhysRevLett.69.668
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The modulus and phase of the complex third-order nonlinear optical (NLO) susceptibility chi(3)(- 3-omega; omega, omega, omega) have been measured on an all-trans silicon polymer, poly(dihexylsilane), over a wide photon energy range. Several distinct structures observed in the chi(3) spectra are in excellent agreement with the theoretical results of a one-dimensional (1D) exciton model. Important aspects of the 1D Wannier-like exciton structure in polysilanes are elucidated in relation to the NLO processes.
引用
收藏
页码：668 / 671
页数：4
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