Transition from excitonic resonance to frequency mixing (2/spl omega/,-/spl omega//sub 2/) in the femtosecond nondegenerate four-wave mixing

Author

Ahn, Y.H. ; Yahng, J.S. ; Sohn, J.Y. ; Kim, D.S.

Author_Institution

Dept. of Phys., Seoul Nat. Univ., South Korea

fYear

1992

fDate

23-28 May 1992

Firstpage

91

Lastpage

92

Abstract

Summary form only given. Since the initial demonstration of third order nonlinear process, nondegenerate interactions have been observed in the incoherent response of semiconductors. On the other hand, femtosecond transient four-wave mixing (FWM) has largely focused on the dynamics of excitonic resonance, since most of femtosecond wave mixing has been done under the degenerate scheme. In the study, we demonstrate a transition from excitonic resonance to frequency mixing for the first time, in the nondegenerate femtosecond FWM on the GaAs/AlGaAs multiple quantum well.

Keywords

III-V semiconductors; aluminium compounds; excitons; gallium arsenide; high-speed optical techniques; multiwave mixing; semiconductor quantum wells; GaAs-AlGaAs; GaAs/AlGaAs multiple quantum well; degenerate scheme; excitonic resonance; femtosecond nondegenerate four-wave mixing; femtosecond transient four-wave mixing; femtosecond wave mixing; frequency mixing; incoherent response; nondegenerate femtosecond FWM; nondegenerate interactions; semiconductors; third order nonlinear process; Data mining; Delay effects; Ear; Four-wave mixing; Gallium arsenide; Optical pulses; Photonic band gap; Quantum mechanics; Resonance; Resonant frequency;

fLanguage

English

Publisher

ieee

Conference_Titel

Quantum Electronics and Laser Science Conference, 1999. QELS '99. Technical Digest. Summaries of Papers Presented at the

Conference_Location

Baltimore, MD, USA

Print_ISBN

1-55752-576-X

Type

conf

DOI

10.1109/QELS.1999.807347

Filename

807347