DEGENERATE 4-WAVE-MIXING OF CDS/POLYMER COMPOSITE

被引：215
|
作者：
WANG, Y
MAHLER, W
机构：
[1] DuPont, Wilmington, DE, USA, DuPont, Wilmington, DE, USA
来源：
OPTICS COMMUNICATIONS | 1987年 / 61卷 / 03期
关键词：
GLASS - Optical Properties - PHOTOLUMINESCENCE - Spectrum Analysis;
D O I：
10.1016/0030-4018(87)90145-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report degenerate four-wave mixing study of 50 A CdS particles embedded in a thin polymer film. The CdS band-gap is blue-shifted compared to the bulk value (quantum size effect). Photoluminescence spectra show that three particles contain intrinsic defects, most likely due to sulfur vacancies. Preliminary results show that both the four-wave mixing signal and the transmission saturate at moderate power (a few MC/cm**2). These results are qualitatively consistent with the three-level saturable absorber model.
引用
收藏
页码：233 / 236
页数：4
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