Title :
Role of incoherent excitons and biexcitons in the nonlinear coherent optical response in ZnSe MQWs
Author :
Tanaka, K. ; Hataoka, S. ; Wakai, R. ; Tanahashi, I.
Author_Institution :
Dept. of Phys., Kyoto Univ., Japan
Abstract :
Femtosecond spectrally resolved four-wave mixing technique was applied to study many-body interactions of excitons. We observed decrease of the effective transition dipole moment and excitation-induced dephasing both in exciton and biexciton resonance.
Keywords :
II-VI semiconductors; biexcitons; excitons; high-speed optical techniques; light coherence; multiwave mixing; resonant states; semiconductor quantum wells; zinc compounds; ZnSe; ZnSe MQWs; biexciton resonance; effective transition dipole moment; excitation-induced dephasing; exciton resonance; femtosecond spectrally resolved four-wave mixing technique; incoherent biexcitons; incoherent excitons; many-body interactions; nonlinear coherent optical response; Excitons; Four-wave mixing; Nonlinear optics; Optical mixing; Optical pumping; Polarization; Quantum well devices; Resonance; Ultrafast optics; Zinc compounds;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 2000. Technical Digest
Conference_Location :
Kaua´i-Lihue, HI, USA
Print_ISBN :
1-55752-646-X
DOI :
10.1109/NLO.2000.883586
