Electronic-spin generation in multi-photon processes: Cubic anisotropy of pumping

No Thumbnail Available
File version
Author(s)
Miah, M Idrish
Griffith University Author(s)
Primary Supervisor
Other Supervisors
Editor(s)
Date
2013
Size
File type(s)
Location
License
Abstract

We study the spin generation in multi-photon absorption processes in a bulk semiconductor, pumped it by a circularly polarized intense light by varying the angle of incidence. The generated spin polarization is calculated using the eight-band Kane model in the limit of large spin-orbit splitting and on the basis of the multi-photon photo-generation rate of the conduction electron spin density. It is found that the spin polarization strongly depends on the pumping photon energy outside the band edge. Cubic anisotropy in crystal pumping is also calculated. The results show that due to this anisotropy the spin generation differs by ~8%, in consistence with earlier results obtained by others.

Journal Title

Optik

Conference Title
Book Title
Edition
Volume

124

Issue
Thesis Type
Degree Program
School
Publisher link
Patent number
Funder(s)
Grant identifier(s)
Rights Statement
Rights Statement
Item Access Status
Note
Access the data
Related item(s)
Subject

Atomic, molecular and optical physics

Photonics, optoelectronics and optical communications

Persistent link to this record
Citation
Collections