Ultrafast response of third-order optical nonlinearity in glasses containing Bi2O3

被引:100
作者
Sugimoto, N [1 ]
Kanbara, H [1 ]
Fujiwara, S [1 ]
Tanaka, K [1 ]
Hirao, K [1 ]
机构
[1] KYOTO UNIV, FAC ENGN, KYOTO 606, JAPAN
关键词
D O I
10.1364/OL.21.001637
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We prepared nonresonant-type homogeneous glasses containing Bi2O3 by the melting method. The third-order optical nonlinear susceptibility chi((3)) was found by third-order harmonic generation measurement to be 9.3 x 10(-12) esu. We attribute the nonlinearity of these glasses to the large molar refraction of glasses containing Bi2O3 These glasses also exhibited an ultrafast response time below 200 fs by a degenerate four-wave mixing method using a femtosecond laser, indicating that the nonlinearity of these glasses originated mainly from pure electronic polarization. (C) 1996 Optical Society of America
引用
收藏
页码:1637 / 1639
页数:3
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