PHOTOREFRACTIVE EFFECT IN CDGA2SE4

被引:1
|
作者
MONONOBE, S [1 ]
HORINAKA, H [1 ]
WADA, K [1 ]
YAMAMOTO, N [1 ]
CHO, Y [1 ]
机构
[1] UNIV OSAKA PREFECTURE,COLL ENGN,SAKAI,OSAKA 593,JAPAN
关键词
PHOTOREFRACTIVE EFFECT; CDGA2SE4; DEFECT CHALCOPYRITE SEMICONDUCTOR; 2-BEAM COUPLING; BIREFRINGENCE;
D O I
10.7567/JJAPS.32S3.518
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report the first observation of the photorefractive effect in a defect chalcopyrite semiconductor CdGa2Se4. At 633 nm wavelength, the photorefractive two-beam coupling gain was measured for 0.62 mum grating period with rotating the crystal around the nearly [110] axis for both the s-polarised signal and pump beams and the p-polarized beams. The maximum gain 0.88 cm-1 for the rotation angle was obtained when the grating wave vector was oriented to the [001] axis for the s-polarized beams.
引用
收藏
页码:518 / 520
页数:3
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