Quantum well saturable absorber dynamics: physical processes and modelling

Author

Nikolaev, Valentin V. ; Avrutin, Eugene A.

Author_Institution

A.F.Ioffe Physico-Tech. Inst., St. Petersburg, Russia

fYear

2005

fDate

19-22 Sept. 2005

Firstpage

111

Lastpage

112

Abstract

A simple model for the dynamics of quantum well saturable absorber, involving just two extra ordinary differential equations for the fields in the optical confinement layer, is analysed and validated against a more generic delay-differential model. Processes of carrier transport and heating in the optical confinement layer are shown to affect the carrier distribution across the absorber, but to have only a minor effect on the absorber saturation and recovery at modest signal powers.

Keywords

differential equations; optical saturable absorption; quantum well devices; semiconductor device models; semiconductor quantum wells; carrier distribution; carrier transport; generic delay-differential model; optical confinement layer; ordinary differential equation; physical process; quantum wells; saturable absorber dynamics; Carrier confinement; Computational modeling; Delay; Differential equations; Distributed decision making; Heat recovery; Microscopy; Optical saturation; Optical signal processing; Temperature;

fLanguage

English

Publisher

ieee

Conference_Titel

Numerical Simulation of Optoelectronic Devices, 2005. NUSOD '05. Proceedings of the 5th International Conference on

Print_ISBN

0-7803-9149-7

Type

conf

DOI

10.1109/NUSOD.2005.1518160

Filename

1518160