Optically encoded second-harmonic generation in germanosilicate glass via a band-to-band excitation

被引：6
|
作者：
Si, JH
Kitaoka, K
Mitsuyu, T
Hirao, K
机构：
[1] JST, ERATO, Hirao Act Glass Project, Seika, Kyoto 61902, Japan
[2] Kyoto Univ, Fac Engn, Div Mat Chem, Sakyo Ku, Kyoto 6068501, Japan
来源：
APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 03期
关键词：
D O I：
10.1063/1.124358
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Optically encoded second-harmonic generation was enhanced by irradiating the germanosilicate glass with a pump beam of wavelength of 355 nm along with preparation beams at frequencies omega and 2 omega. The origin of this enhancement was investigated by measuring the absorption spectra before and after preparation. The results suggest that the enhancement effect is related to the creation of an electron trapped center (GEC: germanium electron center) via a band-to-band excitation. (C) 1999 American Institute of Physics. [S0003-6951(99)00429-5].
引用
收藏
页码：307 / 309
页数：3
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