Photo-doped carrier dynamics by two-color pump-probe time-resolved Raman scattering measurement in Ge

Authors
Saito, S Suemoto, T
Citation
S. Saito et T. Suemoto, Photo-doped carrier dynamics by two-color pump-probe time-resolved Raman scattering measurement in Ge, J LUMINESC, 87-9, 2000, pp. 920-922
Citations number
10
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF LUMINESCENCE
ISSN journal
00222313 → ACNP
Volume
87-9
Year of publication
2000
Pages
920 - 922
Database
ISI
SICI code
0022-2313(200005)87-9:<920:PCDBTP>2.0.ZU;2-3
Abstract
We have built up the two-color time-resolved Raman measurement system based on a mode-locked Ti:sapphire laser. We have applied this system to observe the effect of initial carrier distribution in the intrinsic germanium. Ram an scattering intensity reaches maximum at about 2 ps after photoexcitation and its decay time is about 20 ps. This result was explained in terms of a diffusion model calculation qualitatively. (C) 2000 Elsevier Science B.V. All rights reserved.