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.

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页码：668 / 671

页数：4

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