SPACE-TIME OBSERVATION OF AN ELECTRON-GAS IN SIO2

被引：239

作者：

AUDEBERT, P

DAGUZAN, P

DOSSANTOS, A

GAUTHIR, JC

GEINDRE, JP

GUIZARD, S

HAMONIAUX, G

KRASTEV, K

MARTIN, P

PETITE, G

ANTONETTI, A

机构：

[1] CEA,DRECAM SRSIM,F-91191 GIF SUR YVETTE,FRANCE

[2] ECOLE NATL SUPER TECH AVANCEES,OPT APPL LAB,F-91120 PALAISEAU,FRANCE

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.73.1990

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first space-time observation of the ultrafast excitation and relaxation of an electron gas pumped into the conduction band of a wide band-gap insulator by an intense subpicosecond laser pulse. The experiment is based on a new phase-sensitive technique which allows a resolution of 120 fs in time and 5 mum in space. In crystalline and amorphous SiO2, no evidence of gas expansion has been observed and a mean trapping time of 150 fs for the photogenerated carriers is measured.

引用

页码：1990 / 1993

页数：4

共 19 条

[11] COHERENT PROPAGATION OF FEMTOSECOND OPTICAL PULSES IN A MONOCLINIC ZNP2 SINGLE-CRYSTAL [J].